The bad thing about the CSFI setup is that the nozzles tend to gum up more than the nozzles in the older CPI systems because they spray less often. 5 of these the missing started above 4500 rpm. However, it doesn't always do this, only sometimes. Bad Fuel: Fact or Fiction? Bad gasoline is not a myth. Express Auto Inspections says: While modern vehicles use a fuel injector system to burn gas, many older cars use a carburetor to process fuel. The fuel side of the 7. I think its the fuel pressure regulator dumping too much fuel. The rotor turns in a clockwise direction in a sbc so to advance the timing you turn the body of the distributor counter clockwise, and to retard the timing you turn the body clockwisethat is what you want to do. It basically has the job of telling the engine the position that the crankshaft is in and regulates the firing time accordingly. The pressure regulator valve in the fuel distributor can also be leaking on the 1986-88 5000TQ (early 1989 200TQ) and this will cause a loss of residual pressure. A cap is used in an to cover a car’s distributor, and its internal rotor. There are a number of different problems that can cause similar symptoms to a crankshaft position sensor problem. The distributor cap plays a vital role in the health of your engine. A dealership technician probably doesn't have that kind of freedom. suitable for their intended purpose or use.



The distributor cap doesn't sound like such an important part, but it is integral to the performance of your car's engine. When the engine first started it wouldn't idle at all. fuelproblem??? Mercedes 560 SEL shuts down after starting while idling, sometimes while driving 20 Answers. I certainly wouldn't be looking at the module if I had a rough running or misfiring complaint. This causes low fuel economy, because the vehicle is not able to get as many miles on a gallon of gas as it did before having problems with the ignition coil. This symptom affects fuel economy. The spark plugs utilize the spark from the distributor to ignite the fuel mixture, which is what keeps the engine running. I have heard that a bad fuel accumulator will allow the car to have vapor lock, after being fully warmed up. This rattling/clacking goes away when warm. Cylinder misfiring, engine shaking. The correct fuel flow and spray pattern can only be achieved, over a long period of time, through a well-maintained injector. Worn out cam chain can also cause that timing to jump on very high mileage engines. dissconect the negative cable remove the distributor cap and the four. These problems need to be detected beforehand, for avoiding any severe damage to the engine and its performance. The distributor cap plays a vital role in the health of your engine. ENGINE OVERHEATS Air filter is dirty or plugged. The distributor shaft sprocket was worn down so bad that it had finally lost contact with the cam-shaft and stopped turning the distributor rotor. I had it on a chassis dyno, and the first run was perfectly clean. If a low amount of pressure in the intake manifold is wrongfully detected, the Powertrain Control Module will treat this as a smaller load for the engine. The truck has never been worked hard at all.



Number 6 – Distributor Cap Problems. This is one of the more common fuel pump problems found in classic cars that are between 30 and 60 years old. Electronic Fuel Injection If you wish to understand or troubleshoot the Jaguar XJ-S electronic fuel injection system, it is highly recommended that you obtain a copy of "Understanding Electronic Fuel Injection, Ignition and Engine Management " by Roger Bywater and available from AJ6 Engineering. Turns out I had a worn drive gear on the cam shaft, which was causing the distributor shaft to slam back-and-forth during acceleration and deceleration. This applies to cars and. No need to remove the drive gear - the Camshaft Position Sensor (aka: stator or sync-pulse generator) is easily removed from the top once you remove the rotor from the distributor. Signs & Symptoms of a Bad Magnet Pick Up HEI Distributor by Chris Stevenson The high energy ignition (HEI) ignition system has been a vast improvement over the old standard cap, rotor and point ignition system used in the past. It seems like engine executes your commands with delay and the engine performance is hampered. A misfire from one or more cylinders can be caused by many reasons from a faulty ignition system, fuel system or internal engine failure. He was a left wing for you take a shift off Anything we can do to reduce the fuel load to lessen the intensity of potential fire obviously. 7:1) is considered the perfect blend of air to fuel mixture or stoichiometric air fuel ratio. Holley products for GM's popular LS engine are dominating the LS scene as well. Squealing noise from the car is the first sign of a bad distributor cap. 0L is having. One of the other major changes was the distributor. Once the oil pressure has reached 4 PSI, the oil pressure switch will close allowing the fuel pump to run. Just spray the inside of the cap with WD-40 to eliminate that as a possible problem.



I've seen it a hundred times. This would be especially helpful when running vehicles with fixed-orifice fuel delivery systems. While a bad fuel economy is one of those symptoms, sometimes a better fuel economy is a symptom too. I know my fuel system is a bit different than yours but if your fuel pressure regulator turns out to be fine, then Im guessing it is your fuel pump. Next thing you know it's running around syphoning that "high octane" stuff and spends all day sleeping around the house. Now, take a 9/16 box wrench and slightly loosen the clamp at the base of the distributor, enough so the body can be turned. Similar symptoms can also be caused. If they put the engine on a scope, they can see if the distributor is causing problems. Symptoms of a Bad or Failing Distributor Rotor and Cap Common signs include engine misfires, car not starting, the Check Engine Light coming on, and excessive or unusual engine noises. Most modern car engines use a crankshaft sensor to monitor the engines crankshaft rotation. There's no substitute for replacement if the fuel injector is really bad. Hard starting from a loss of residual fuel system pressure, can be caused by leaky injectors, a bad fuel pump check valve, a leak in the warm up regulator or from a leaky cold start valve. Mercedes-Benz 260E W124 M103 Idle Stalling Problem - Idle Air Control Valve Cleaning - Duration: 7:12. Your fuel pump is whining. As you can see- engine vacuum is the key to this system working- no fuel will flow without it. Back to your original question, yes a bad distributor can cause your car not to start, sputter, and shake like a dog crapping a sideways turd. Also i have seen where the fuel filter assembly leaks air into the fuel and causes the issues ur having. If not, continue:.



The truck is a 05 with 27000 on it. Then there is the obvious stuff like fuel filter needs to be changed. A rich fuel condition occurs when the air to fuel ratio is less than 14. Before you start pulling apart the engine, it's usually a good idea to take a look at the service logs to see what the maintenance history of the car is like. Learn the simple repairs you can do right at home, and which ones are best left to a professional. The point cover needs to be removed and some engines won't run without it, but if the condenser is going bad, you are likely to see a large yellow spark jump between the two contact points. This causes low fuel economy, because the vehicle is not able to get as many miles on a gallon of gas as it did before having problems with the ignition coil. ( Original Part is a PRESTOLITE Brand ) – any brand accepted Ignition Contact point set – 1Pcs. Are all of the spark plugs running rich? If all 8 are running rich, check the following. fivo2fst4u wrote:can a bad PIP cause a fuel pump to run constantly with the key on in a 1994 Ford f150, cause a fuel pump to run constantly with the KOEO in a 1994 Ford f150? More than likely a bad computer as the clock has stopped running in side the computer. If you get them hooked up wrong, the engine won't work right. Fuel is dirty. The is very fuel inefficient, since a larger throttle opening at idle (set by the idle speed screw) is needed allow extra fuel in to keep the engine idling. Again some improvement, but not right. In order to fix your car's problem, you must first know how to troubleshoot in order to determine what exactly the problem is.



To check distributor put injector noid light in coil plug and if it pulses it is okay. I mean could the distributor affect it that bad? This is the first distributor problem I have ever had, other than replacing a worn rotor. For more information on the effects of a bad EGR valve, chat with a knowledgeable expert at your local NAPA AUTO PARTS store. Particularly, the ‘plunger & barrel’ assembly, which relies on the diesel fuel to lubricate these very tight tolerance components. The establishment of the DTC code P0322 OBD II is due to:. I know when I take mine off to fuel my Avalon lots of pressure escapes and some cars have warning lights to tell the driver their cap is loose so I would say there might be performance issues with a bad gas cap. Fuel Control System Troubles All other systems in an engine must be functioning properly before you check the fuel control system as a cause for poor engine performance. A dealership technician probably doesn't have that kind of freedom. 4) Replace the pump. The reason there may be an imbalance could be due to a bad fuel pump, clogged fuel filter, or a bad air flow sensor. While a traditional fuel-injected small-block Chevy V8 had the distributor at the rear of the engine block, the LT1 featured a new type of optical sensor placed on the front of the engine. Again some improvement, but not right. -sludge build up in tanks, -poor engine performance, -excessive smoke & emissions, -etc. Fuel Pressure Regulator failure symptoms. If not the distributor behind it. I have a 302 v8 on a 77 mustang ii, i just replaced the carb, spark plugs, wires, cap and rotor, also it has a new mechanical fuel pump and filter.



OR, it can run fine, then when the motor warms up and thermal expansion causes you coil to go out, then lose power. In general, if the car runs OK with an absolutely full gas tank, but starts stalling or stops running after just a few miles after the fillup, it will be the lift pump in the tank. The customer may complain that the vehicle's engine doesn't feel right. Pull over, let it cool down some and it starts. It signifies that the fuel filter needs to be replaced. Top 10 Causes of a Rough Idle 1. 6 Symptoms of a Failing Alternator If you experience flickering headlights, stalling or strange noises when driving, your car isn't haunted; chances are it's just a failing alternator. First, I have all new injectors, new fuel pump, and ran some of that $25 fuel additive with my last tank of gas. sometimes misfires/backfires when having these other symptoms. Either of these conditions can lower the engine's efficiency and cause the "Check Engine" light to glow. Strange Fuel distributor problem 190E After installing the rebuilt 102 engine in my 88 190e the car won't run for more than 5 secondsTurn the key offwait another minuteruns great for 5 seconds. Ignition Coil – 1Pcs. Often times, bad mass air flow sensor causes the engine to run lean, which leads to misfire. With the engine off, remove the distributor cap and use a vacuum hand pump to operate the advance mechanism. Basic GM Ignition System Theory. Bad ignition coil/distributor if you have an old car The entirely most common problem when it comes to misfires is the ignition coil. Step 3: Inside the distributor, place the spark tester. A faulty engine distributor won't spark, which will either prevent the engine from starting or cause it a running engine to fail.



I noticed when I removed the gas cap I had a lot of pressure in the tank? Maybe that pressure is not getting to the engine because I might have a bad inline fuel filter or bad pump. ) Don't remove the plug wires from the distributor cap. If the fuel injector is plugged up, sometimes putting fuel injector cleaner into the fuel tank or even doing a fuel injection cleaning service with a motor vac may be needed in order to clear the debris off of the tip of the Fuel Injector. ) Instead they said it was the plugs and distributor and fuel system (injectors?) so they put new plugs and wires and cleaned the fuel system. Fuel injectors are considered to be clean if and when fuel delivery, atomization and distribution are within 1% of the design specification of that fuel injector. If for some reason the injectors are unable to do their job properly, your engine may start to stutter and due to inefficient fuel use, also suffer from bad fuel mileage. 1980-1991 Mercedes-Benz 280SE 280SL Fuel Distributor Injector Part # 0 438 100 069 Must match the part number we provide We ship FAST every day because we know you need the parts asap. Bad fuel injectors and bad oxygen sensors are usually blamed for a car that suddenly burns more fuel than it needs. Today driving to work it was missing on the freeway, on the way home it ran fine no missing. Dirty or worn needle valve in float chamber; Punctured float; Blocked vent tube; Fuel lines broken; Excessive fuel level in float chamber; Defective gaskets; COLD STARTING DIFFICULTIES. The distributor shaft sprocket was worn down so bad that it had finally lost contact with the cam-shaft and stopped turning the distributor rotor. $470 later, that did not fix the. When and if you have gotten a proper tune up, you always need to replace the fuel filter, distributor cap and (rotor!!!) plugs and wires!. Symptoms of Water in a Car's Gas Tank and How to Fix it? Whether it enters by accident or on purpose, water in the gas tank of an automobile is definitely a problem that needs to be addressed immediately. How to Tell If You Have a Faulty Distributor - CarsDirect 1-888-227-7347. Bad Ford Ignition Module Symptoms? Year: 1988 Make: Lincoln (Ford 302 engine) Model: Towncar Sporadically, when driving, my check engine light will turn on and I will lose power from the engine (it feels like the RPM drops significantly, to nothing, or almost nothing) for 2 or 3 seconds, and then everything will be fine again. A malfunctioning throttle position sensor will relay bad data to your car's computer and usually result in poor fuel economy. with some of the other symptoms listed com as Symptoms of a Bad. Many of the issues mentioned above can be caused by failures in the ignition system or fuel injection system.



Fouled fuel found in a vehicle tank can usually be linked to a few suspects — it either came from the refinery, the distributor or the filling station down the street from your customer. Strong sulfer or rotten egg smell emitting from the exhaust on an otherwise good running vehicle. Bad Fuel: Fact or Fiction? Bad gasoline is not a myth. maybe you have some bad fuel or block fuel pick-up. ^ Lean Fuel Mixture: Rich fuel mixtures resist detonation while lean ones do not. Your problem is a classic symptom of a Hall Sensor (inside distributor) going bad. Crankshaft sensors go bad all the time. This created a rough idly and a motor that would not plane off. A rich fuel condition occurs when the air to fuel ratio is less than 14. Compression test showed all cylinders above 150 psi. I am curious of the symptoms a bad PIP sensor. Under load, fuel demand increases and a clogged fuel filter reduces the needed flow. I got it running (before replacing the FD) but it just ran bad no matter what you did to it. The most recently reported issues are listed below. Knowing the symptoms of a defective throttle position sensor can help you quickly diagnose the problem and make needed corrections. Symptoms of a bad Distributor I would like to know what some symptoms of a bad distributor or TFI module, ignition coil etc would be. Step 2: Using a socket wrench, pull out the spark plug wire from the distributor. There are many symptoms that can be spotted on a vehicle before complete injector failure and dreaded limp mode transpires, so educating customers and fleet or vehicle owners is a must.



The higher engine speed allows the engine to overcome these losses and lets the engine run better. Ignition misfires due to distributor problems, worn cap and rotors way past their maintenance guidelines can also set these codes. How can i tell if my distributor coil is bad? 11 Answers. As EdT stated, a engine tune up would be a good idea too. If you have a mixture adjustment tower your adjustment screw is a spring loaded device. Depending on how bad it is, you will need to prime the fuel pump before it will start again. Failed Balance Tests. But when you're driving at faster speeds, the symptoms of the misfire will go away. Top 5 symptoms or signs of a bad or failing fuel pump, in your car or truck. A bad distributor will normally present a variety of symptoms, which can oftentimes be recognizable as distributor related. Symptoms imply a faulty alternator or connections to it. However, you can save other parts of the engine from getting damaged, if you manage well enough to look for the striking signs, which point towards a failing fuel injector. Poor economy on light throttle cruising. i did adjust the timing on the distributor and its set right. Symptoms of a BAD ICM, Ignition Coil, Spark Plug Wires, or Dist. My 560 SEL sometimes shuts off after starting, or shuts off while driving. 5 Symptoms of A Bad Fuel Injector If there is something wrong with one or more of your car's fuel injectors, then it won't run properly, or may not run at all. If you have fuel at the point of ignition (as determined above), power to the coil, to the distributor, through the points and through the wires to the spark plugs, and if the plugs are firing as they should, the engine should be ready to start. Find verado outboard high available for buying now. Your fuel pump is whining.



There is no crank sensor on a carb engine, the tacho gets its signal from the neg side of the coil (grey wire), I would first disconnect the tacho to make sure that isn't causing a problem, if it contunues then its either the induction coil under the rotor in the distributor, or the Hall effect. I got it running (before replacing the FD) but it just ran bad no matter what you did to it. Start-Up Problem: One of the most common symptom of bad ignition coils is start up problems, especially cold starts. The thermistor used has a high-resistance when cold, lowering as the coolant warms. Change them with the engine COLD (or you can strip out the plug seats from a hot head), and fit the new ones by hand first before tighting so you don’t cross thread them!. Bad ignition coil/distributor if you have an old car The entirely most common problem when it comes to misfires is the ignition coil. I can not help diagnosing a LXi car, but it certainly has to do with the two factors that are used for ANY ECM to calculate the quantity of fuel to deliver to the engine: manifold vacuum and coolant temperature. Symptoms of a Bad or Failing Distributor Rotor and Cap Common signs include engine misfires, car not starting, the Check Engine Light coming on, and excessive or unusual engine noises. Also i have seen where the fuel filter assembly leaks air into the fuel and causes the issues ur having. The distributor cap delivers voltage to the spark plugs. Symptoms of a Bad Oxygen Sensor When you have a bad oxygen sensor, your vehicle will run less efficiently, it can sometimes have a poor idle, erratic jerking at steady throttle, hard starting problems, cause the check engine light to come on, and will cause high fuel consumption. How can i tell if my distributor coil is bad? 11 Answers. Next thing you know it's running around syphoning that "high octane" stuff and spends all day sleeping around the house. For the combustion to be successful, the mixture needs more fuel than air. you should really start by checking if you have the 3 essentials, fuel spark and air. Bad Immobilizer Key Chip Antenna I thought I'd let everyone know about another possibility of why your XC's engine is not turning over.



If the fuel injector is plugged up, sometimes putting fuel injector cleaner into the fuel tank or even doing a fuel injection cleaning service with a motor vac may be needed in order to clear the debris off of the tip of the Fuel Injector. 5 female fitting on one end. You need to press it all the way down to engage the lower Allen screw and then turn it. Signs & Symptoms of a Bad Magnet Pick Up HEI Distributor by Chris Stevenson The high energy ignition (HEI) ignition system has been a vast improvement over the old standard cap, rotor and point ignition system used in the past. Almost to the point where it wants to shut off. There are a number of symptoms that can point to your Crankshaft Position Sensor failing. A bad distributor will normally present a variety of symptoms, which can oftentimes be recognizable as distributor related. Either distributor or coil fault. We strongly recommend that you trust any fuel-related problems to a qualified technician, as in most cars the fuel pump is installed inside the gas tank. There was even a fellow tech that told me I needed a motor. As you're already aware, the fuel injector is the one tasked with injecting the gasoline that the cylinder needs. Re: Spider injection symptoms? 09-26-05 06:05 AM - Post# 785483 In response to CDAUSA well, I'm not changing anything out, until I know it's bad! LOL There are NO codes being throw, other than the Cam Position Sensor code, which is a BS code, as it is a NEW Delco CPS, and has been replaced 3 times now. Compression test showed all cylinders above 150 psi. It is located inside the distributor. If air doesn't pass through, then it is a sign of a clogged fuel filter. Mercedes-Benz 260E W124 M103 Idle Stalling Problem - Idle Air Control Valve Cleaning - Duration: 7:12. The mechanic told me that the problem might be that the fuel distributor is going. Do a check on faults to fix the problem. bad missing and bucking at higher rpms.



The reason there may be an imbalance could be due to a bad fuel pump, clogged fuel filter, or a bad air flow sensor. He said check your distributor is tight and he implied. Today driving to work it was missing on the freeway, on the way home it ran fine no missing. This results in a uniform temperature of the fuel in the supply line running to all cylinders. One of the early warning signs of a bad fuel pump is the development of a high pitched sound when the engine is first engaged. Decrease in engine power. This is one of the more common fuel pump problems found in classic cars that are between 30 and 60 years old. Trouble Code 15 indicates that the Coolant Temperature Sensor (CTS) is reporting abnormally low readings. I can crank the engine over but the car won't start. Now, take a 9/16 box wrench and slightly loosen the clamp at the base of the distributor, enough so the body can be turned. Fuel Control System Troubles All other systems in an engine must be functioning properly before you check the fuel control system as a cause for poor engine performance. 129 500SL FUEL DISTRIBUTOR AIR FLOW SENSOR 0438101016 - 0438121080 REMANUFACTURE (Fits: Mercedes-Benz). Then the secondary coil passes the voltage on to the distributor along a well-insulated wire. Check that main thru bolt is snug - carburetor will run rich as main bolt backs out and lower casting starts to drop from upper. Its been my experience with electric fuel pumps, they just go out without warning. A rich fuel condition occurs when the air to fuel ratio is less than 14. Jumpy ignition timing from a distributor problem can set off idle surge. Lots of things can lead to poor fuel economy, though when it comes to old spark plugs, you’ll find fuel is wasted since your vehicle fails to receive the proper, heat-generating spark at the right time. This would be especially helpful when running vehicles with fixed-orifice fuel delivery systems. Corroborating symptoms: 1) Black, carbon fouled plug for 1 (all other plugs clean).



) If the fuel does not smell right: Try some fresh fuel a few drops at a time in the Carburetor inlet. Re: Spider injection symptoms? 09-26-05 06:05 AM - Post# 785483 In response to CDAUSA well, I'm not changing anything out, until I know it's bad! LOL There are NO codes being throw, other than the Cam Position Sensor code, which is a BS code, as it is a NEW Delco CPS, and has been replaced 3 times now. Failed Balance Tests. If your alternator does not work, no current is fed to the fuel injection system and your engine will not start. BAD gas mileage. ) Instead they said it was the plugs and distributor and fuel system (injectors?) so they put new plugs and wires and cleaned the fuel system. What Are the Indications of Bad Gasoline? The symptoms of bad gas involve a lean misfire, which creates a P0300 code in newer cars, engine detonation and pinging, sputtering and stalling. Look around and fallow the wires to see if any have rubbed through. Disconnect fuel line from fuel filter. Over time, the filter element clogs, restricting and blocking fuel flow. If you pick up bad fuel somewhere, especially if your fuel filter has been on for longer than the specified fuel filter replacement interval, water contamination can be drawn through the filter before it has had a chance to coalesce at the bottom of the filter housing and turn the water-in-fuel light on. suitable for their intended purpose or use. Faulty Manifold Pressure Sensor Symptoms: Detect Bad Map Sensor Symptoms The symptoms of a failing manifold pressure sensor are similar to the problems of low compression or improper fuel injection. This sensor sends feedback information to the cars computer which then adjusts the ignition and fuel injector timing as engine demands change. Occasionally, mechanics are faced with mysterious engine problems that they can't pinpoint.



How do I know if I have a fuel pump problem with my car. Re: Stator Failure - Symptoms? In my experience with my 1987 200 HP Johnson, when one of the power packs went bad, all 3 of those cylinders on the port side went out. Poor acceleration. Let's review the Vortec engine distributor problem. In order to fix your car's problem, you must first know how to troubleshoot in order to determine what exactly the problem is. The fuel filter can be installed in the rubber hose between the fuel sending unit and the fuel line that runs forward to the fuel pump on 1963-1974 cars. It read lean (a gray-brown, not bad but trending hot and fuel-starved), predictive of a fuel problem rather than a spark problem. This results in a uniform temperature of the fuel in the supply line running to all cylinders. Here are the symptoms my 92 5. Since the engine needs that spark to run, a bad distributor can result your car stalling when it idles. Many variables also affect what the 'best' timing is. If a low amount of pressure in the intake manifold is wrongfully detected, the Powertrain Control Module will treat this as a smaller load for the engine. change the timing belt and chain. If you have a fuel restriction (not a full blockage) idling may be fine, but fuel supply will not keep up with demands from the carburetor under acceleration and moderate open throttle cruising (like on the freeway). Here's a run down of the main faulty injector symptoms that will affect most cars.



This rust can clog the fuel filter(s) and contribute to the hesitation problem. While a traditional fuel-injected small-block Chevy V8 had the distributor at the rear of the engine block, the LT1 featured a new type of optical sensor placed on the front of the engine. A bad fuel injector will either deliver more fuel or less fuel to the engine, or fails to operate at the right time. For more information on the effects of a bad EGR valve, chat with a knowledgeable expert at your local NAPA AUTO PARTS store. Fuel in the exhaust can be detrimental to the catalytic converter. Check that main thru bolt is snug - carburetor will run rich as main bolt backs out and lower casting starts to drop from upper. Failed Balance Tests. The rotor turns in a clockwise direction in a sbc so to advance the timing you turn the body of the distributor counter clockwise, and to retard the timing you turn the body clockwisethat is what you want to do. Ignition misfires due to distributor problems, worn cap and rotors way past their maintenance guidelines can also set these codes. Fouled fuel found in a vehicle tank can usually be linked to a few suspects — it either came from the refinery, the distributor or the filling station down the street from your customer. Step 1: With your gloves on, pop the vehicle\'s hood to get started. The same goes for that cranks but doesn't turn over. Signs & Symptoms of a Bad Magnet Pick Up HEI Distributor by Chris Stevenson The high energy ignition (HEI) ignition system has been a vast improvement over the old standard cap, rotor and point ignition system used in the past. Some obvious symptoms of a bad CAT could be any of the following: a. This will screw into the fuel distributor at the point where the fuel line that goes off to the control pressure regulator is currently screwed in. Distributor Cap – 1Pcs. Symptoms Of A BAD Fuel Injector Each of the 6 cylinders that make up the 3. i did adjust the timing on the distributor and its set right. The Duraspark II distributor cap is larger in diameter to allow the high tension terminals to be spaced farther apart. Bad Fuel Distributor Symptoms.