Question about 1997 Audi A4

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97 a4 will crank up, but won't start. maybe fuel?

The battery is fine, I checked the spark plugs, and my next step is to put a fuel injector and carb cleanser in. I think it may be the fuel pump, or injector, maybe the filter? does this seem like something i should attempt before I take it in to a mechanic that will charge me an arm and a leg?

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  • ladylorraine Mar 08, 2009

    Hi there I have the same problem with my Audi a4 1997 model. Drove about 3 mile then loss of power. Car came to a halt. Plenty of battery power just wont turn over. Have tried to bump it still nothing.

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It is the Fuel Pump and Possibly the Fuel Filter Both Causing this no Start Problem.

Posted on Jan 23, 2009

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Does a 2004 Chevrolet venture LS have a fuel cut off switch and if so where would it be located...I started and drove my van up the road and back shut it off and now it won’t start and I can’t hear the...


Make sure battery has a full charge. Have a helper crank it while you check for spark at the plugs. If spark everywhere, use a gage and check proper fuel pressure and fuel injector pulse. How long since a tune-up? Any applicable trouble codes?
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I have a99 Quattro a4 2.8 I just put a motor in it. it has good spark and is getting fuel.very time u try to start it. it floods the cylinder and cranks over hard remove fuel pump fuse turns over fine


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spark plugs are deep in the head yet you should get all the the old fuel out first, stale fuel wont ignite and will also clogg fuel filter. you need a mix of atleast 70% new fuel even then its not good for the injecters. If its a manual gearbox a tow start is a quick fix although no go for auto's. cant be much wrong if car was fine when parked, plugs-fuel-filter and possibly fuel pump for sure. If that doesnt fix take plug out put in lead and crank engine to be sure you have spark even just put any plug you know works in lead leaving your plugs in engine just to check for spark y turning over engine looking for spark on plug good spark will be blue but any spark is good.

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When the problem is ongoing, check the basics. Make sure battery has full charge. When the problem is ongoing if it cranks good but won't start, Have a helper crank it while you check for spark at the plugs. If spark everywhere, use a gage and check proper fuel pressure. Also, check fuel injector pulse.
Trying to find what is missing, fuel--spark--whatever. I can only help with testing, you have to do the testing.

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I need to know the firing order of the coil packs. I have replaced spark plugs and wires and coil pack but there is still a miss. Put a new crank shaft censor in it as well


Do you have a code for a misfire?

If a crank sensor goes bad the vehicle will typically not start at all.

If you have spark to all the cylinders than the next step is to either check compression or check the injectors. Usually the injectors will stick when this happens they will ohm out fine but will not spray fuel. To check them you will need either a high end scan tool or and injector tester and an fuel pressure gauge. The tester is connected to the injectors one at a time using the bulk connector near the alternator. The injector is then triggered by the tester as you watch for a drop in fuel pressure. Whichever injector does not drop fuel pressure when triggered is the bad injector.

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1 Answer

When battery is at full charge motor turns over but won`t start. battery has been dead for over a week but still have lights,horn and turn signals. fuel filter is fine. what should i check next. thanks for...


Hi, if your motor turns over ok & appears to be getting fuel, I'd probably check for spark by putting a spare plug in one of the leads & turning the engine over to see if it sparks, if it doesn't spark maybe it's your crank angle sensor/coil etc.

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1 Answer

97 blazer cranks but wont start,when does start runs great


Your next step in diagnosis your problem should be to check for spark, you'll have to use a spark tester for this, simply removing a spark plug and looking at it WILL NOT WORK, a spark tester looks similar to a spark plug but it has about a 3/4" gap.

Another thing you should check is the voltage of the battery with a multimeter while cranking the engine, if it drops below 9.6v your computer will turn off and your injectors wont fire and neither will your plugs.
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Hope this helps

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