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Re: PLEASE HELP!!! Trouble Codes for an 1988 Audi 90
Could be a big enough vacuum leak.
Had that problem once. Check intake boot, etc.
later!
Rob
-----Original Message-----
From: Hugh Farfan <dpch@tbol.net>
To: Robert Myers <rmyers@inetone.net>; Quattro List
<quattro@coimbra.ans.net>
Date: Thursday, January 07, 1999 1:29 AM
Subject: Re: PLEASE HELP!!! Trouble Codes for an 1988 Audi 90
>Its getting spark and gas, but it is still not starting, any more
>suggestions??? TIA
>
>Robert Myers wrote:
>
>> Hugh,
>>
>> A well adjusted Audi engine will normally start within about two
>> revolutions of the starter motor. (Quickly, in other words.)
>>
>> Sounds like a possible fuel related problem. Also possibly an ignition
>> problem.
>>
>> Check to see that there actually is spark at the plugs. Pull a plug wire
>> and insert a screwdriver blade into the lead connectro. Then place the
>> screwdriver close to something metal on the engine. See if there is a
>> spark jumping from the screwdriver to the engine.
>>
>> Caution! High voltage! Be sure the screwdriver is pretty well
insulated.
>> It won't actually damage you but it will sure get your attention.
>>
>> If spark is present then the fuel systm just isn't delivering fuel. If
>> there is no spark then we need to check more. Pull the center wire to
the
>> distributor. Check for spark there. (Probably no difference between
this
>> location and at the plugs.) Check the coil. Make sure that all wires
are
>> connected. Do you have a meter? If so, check to seel that there
actually
>> is +12 volts at the input connector of the coil. (The output is the
heavy
>> wire going to the distributor.) There will be two other wires attached
to
>> the coil. One provides +12 volts. The other is ground. (There may also
>> be another wire for the tach.)
>>
>> Water in the fuel frozen and blocking flow? You'll have to judge this
one.
>> Add some Dry-Gas?
>>
>> Leaking injectors? This will cause a reluctant start but shouldn't
prevent
>> a start completely.
>>
>> Fuel pump itself? Fuel pump relay?
>>
>> Have someone else turn the ignition on while you are listening inside the
>> trunk. You should be able to hear the fuel pump. If not, pull the FP
>> relay and insert a wire jumper across the load leads. Does the FP run
now?
>> If so, start the car. If not, the FP may be bad. This would be
unusual.
>> The common failure mode involves a rather long term gradual development
of
>> noise until it finally gives up.
>>
>> Disconnect the fuel line after the filter. See if fuel flows when the
>> ignition is turned on. Caution! Fire hazard. Don't let it run long and
>> provide some sort of container to catch the fuel. Flow rate should be
>> fairly high. If it isn't, try disconnecting the line before the filter
and
>> repeat the test. If flow rate is significantly higher, the fuel filter
is
>> plugged.
>>
>> Take a close look at all the rubber under the hood. See if you can spot
>> something which might obviously be leaking air into the induction system.
>> Excessively lean fuel mixtures won't ignite very well.
>>
>> Good luck.
>>
>> At 10:48 PM 1/4/99 -0500, you wrote:
>> >My car has been driving fine up till now. As I pulled into my parking
>> >lot the car began to lose a little power on acceleration. After I
>> >parked the car and turned it off I decided to restart it and drive it
>> >again to see if the loss of power was still there, it wasn't as
>> >noticeable. So I just parked it and left it there for about 3 weeks,
>> >(went on vacation). When I try to start it, it won't start, the engine
>> >just turns but it wont catch, the battery is fully charged, I tried to
>> >start it a numerous amount of times but she wouldn't start.
>> >I am in New York, so I was wondering if the frigid weather could be
>> >playing a part in this saga.
>> > I thought I might try to pull any codes from the system, but I am
>> >not sure on the exact procedure or the codes themselves. Yes I know I
>> >should buy a Bentley manual, but I haven't had the time nor money. (I
>> >am in college now.) I hope that this is an easy fix. Any advise would
>> >be greatly appreciated. Please Help, thanks in advanced.
>> >
>> >
>> >
>> ___
>> Bob
>> *******************************************************************
>> * Robert L. Myers rmyers@inetone.net Home 304-574-2372/1166 *
>> * Rt. 4, Box 57, Fayetteville, WV 25840 USA WV tag Q SHIP *
>> * '95 S6 Cashmere Grey - der Wunderwagen *
>> *******************************************************************
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