Question about 1991 Audi 100

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My audi 100 wagon 1991 starts then stops immediatly.i have spark but the injectors fire only twice then stop firing

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  • Brian
    Brian Oct 14, 2010

    Have you checked fuel pressure?

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  • Master
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You need to reset the immobiliser,if you havnt got a book get back soon......

Posted on Oct 14, 2010

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Sons 91 olds cutlass wagon is not firing on all cylindrs, all fuel injectors and spark plugs and wires replaced


Fuel, spark, air, compression, timing. Essentials for an engine to run. You've addressed injectors (fuel) and spark (plugs and wires), and I assume it's getting air as it is running. The next thing I would do is a compression check. If you have low compression on a cylinder or cylinders, you may have mechanical problems with valves or rings.

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2005 chevy malibu classic echo 2.2 where are the spark plugs?


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My 1990 Audi 100 has no fire? What could it be? Is there a way u can test the coil or where are the camshaft sensors or anything that envolves the firing process?


The first thing you must do is have the electronic engine control scanned for fault codes, otherwise you have no place to start from

Feb 17, 2011 | 1991 Audi 100

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2002 audi a4 v6 cranks but wont start..has fuel and spark.thanks..eurosontherun@yahoo.com


If it has fuel, air and spark, it only needs one more thing to fire,...compression. If it has those four things, in the correct ratio, it MUST fire. If you are 100% sure on the fuel, air and spark issue, start looking at the timing. I would also have the codes read off the ECU. Could you have " thrown " the timing belt?

Aug 13, 2010 | 2002 Audi A4

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I have a 1991 Park Avenue. Only four cylinders fire.


Test the compression on the two cylinders that won't fire. Make sure their plug wiring is not crossed. Check those two spark plugs after running a short time--they should be wet with fuel if not firing. Any injector that won't stop leaking should be replaced. Fuses and relays should not be responsible for just two cylinders not running. The check engine light should be on--read the computer with a scanner. An engine with two cylinders inoperative SHOULD vibrate heavily. Good luck!

Feb 09, 2010 | 1991 Buick Park Avenue

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1991 honda civic wagon. wont star. have fuel to injection system. will fire with starting fluid. loosened fuel line at manifold fuel sprayed out.


If you have spark but will not styart without atarting fluid the you need to replace fuel pump and fuel filter if you have spark and no fuel your car will nit start and vice versa.

Sep 10, 2009 | 1991 Honda Civic

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The engine start very hard when the engine is hot.


Check the coldstart sensor,it might think that the engine is still cold and the fuel mixture vill then be wrong,you can also have leaking injectors and then it dripps diesel into the cylinders.

Jul 12, 2009 | 2006 Audi A3

1 Answer

Engine has miss-fire


First check spark plugs/wires/distributor cap (tune up). Also would be good idea to use fuel injector cleane and change fuel filter and O2 sensor.
Hope that helps
Good Luck

Mar 22, 2009 | 2003 Audi TT

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