Question about 1993 Audi 100

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Engine wont start, fuel not reaching engine fuel pump working and then stops when engine heats up

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Just off the top of my head i would say check the fuel pump relay but to be sure you should have the car read for codes auto -zone will do it for free this will give you a better idea as to whats going on with the vehicle also the pump may be working but it can still be bad because the pressure is not what it should be it should be 14psi at a minimum the higher the better. hopes this helps you a little.

Posted on Oct 02, 2010

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My 2002 chev. diesel truck turns over but wont start, new filter


anytime you change the filter in a diesel you have to bleed the air out of the fuel system. The pump won't auto bleed the fuel system for you. every place in the fuel system that has a flare type connection needs to be bleed, start at the connection closest to the tank, loosen the connection and then crank the engine until you see diesel fuel drips from that connection. Tighten the connection while the engine is still cranking. Move to the next connection that is going toward the engine. Continue on in that manner toward the engine until you reach the injector pump/injector. Once you reach the injector pump be VERY aware that the fuel is at VERY high pressure. Do NOT put your body parts in the stream of high pressure diesel fuel. It could kill or injure you! Once you bleed all the way to the injector pump/ injector, the truck SHOULD start. Do not bleed after the injector pump because of the pressure involved, it is WAY too dangerous.

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Dec 22, 2012 | 2002 Chevrolet Avalanche

1 Answer

Mercedes c class engine cuts out when temp goes over half


Has to be your temperature sensor cat of to save you damage your engine.do the easy things one way is to check with obd scaner to pin point watt it is or flush radiator fit new thermostat and radiator cup check your fans and watt is last water pump and sensor damage or radiator block or leak ,when your engine stop check top and bottom radiator hose for even heat top slight more ho if is bust is radiator blockage .

Sep 21, 2012 | 1998 Mercedes-Benz C-Class

1 Answer

02 durango wont start


Is it getting fuel and or spark? If the fuel pump is working and the the plugs are getting fire then perhaps a clogged fuel pump strainer is to blame.
If the fuel is reaching the engine, then test the coil. If no spark is event replace the coil.

Dec 08, 2011 | 2002 Dodge Durango

1 Answer

91 acclaim v6. starts and runs good, but once its been running for awhile (hour or so), and i turn it off, it doesnt want to start back up, or does and dies. wait 2 hours and it starts right up. recently...


Sounds like either you have a clogged fuel line and or clogged fuel filter or the fuel pump is failing. What happens when the vehicle runs the fuel pump heats up, as it heats up it produces less and less fuel for your car. Eventually ti stops working until its cool again on faulty pumps. Given the age of your vehicle I would say you need to replace both pump and filter.

Sep 19, 2010 | 1991 Plymouth Acclaim

1 Answer

My car keep cutting out every time i reached 85 degre just change the fuel pump and the fuel pump relay and will not start untill the engine get cool i have put some xred to my thank to clean the injectors...


that stuf u put in tank dont work-must hav each injector pro cleaned-$30piece--du a scan to find any bad codes--on older vehicles some electrics stop workin from heat

Sep 04, 2010 | Mercedes-Benz ML320 Cars & Trucks

1 Answer

Starts but stops in about 10 seconds


The fuel pump relay is at fault
The fuel pump works off the oil pressure switch when the engine is 1st started
When the oil pressure reaches its normal range the computer shuts it off and lets the fuel pump relay take over which yours does not work no longer

May 25, 2010 | 2004 Porsche Cayenne

1 Answer

95 saturn sl


check fuel pressure and injector pulse...if everything is working than check the timing and the firing order...if it good than check the engine compression....

Apr 21, 2010 | 1996 Saturn SL

2 Answers

Ive got a 1997 cavalier it will start but quickly dies out ive got fire to my plugs and fuel to the injectures ive just replaced the ignition switch is there somkind of a security


You need a new fuel pump relay. The engine fires up and runs off the oil pressure switch untill the oil pressure PSI is reached at normal operating conditions. When the oil pressure reaches its operating PSI the PCM or engines computer will shut off that circuit and turns on the fuel pump relay to run the fuel pump untill you shut the engine off

Apr 19, 2010 | 1997 Chevrolet Cavalier

1 Answer

07 520 wont start no fuel pressure any ideas what sensor builds fuel pressure


First thing I would check is the fuel pump...Without starting the engine - what do you hear when you turn the key off and on?

Wait a few seconds between turning key off/on...you should hear the pump run and then stop; this is the pump reaching fuel pressure.

If the pump is not running; check fuses.

If fuses are good, check for restriction in the fuel line...posibble clogged fuel filter.

Mike...

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2002 kia optima has no fire to the spark plugs
or spark plug connector

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