4kq hesitiation

[Nathan Ray]

Thanks for all the advise everyone, but it seems that a bottle of injector 
cleaner did the trick.  I replaced the fuel filter, air filter, and some 
other things for good measure too.
Nate
85' 4kq
86' 4kq


>From: "Robert M" <porter_t_dog at hotmail.com>
>To: syljay at optonline.net, quattro at audifans.com
>CC: skimaster77 at msn.com
>Subject: Re: 4kq hesitiation
>Date: Wed, 05 Jul 2006 23:04:25 +0000
>
>
>+1 on plug and/or wires.  I had a similar hesitation/stumble and new plugs 
>took care of it.
>
>Try that first- they're cheap :)
>
>>From: SJ <syljay at optonline.net>
>>To: quattro at audifans.com
>>CC: skimaster77 at msn.com
>>Subject: Re: 4kq hesitiation
>>Date: Sat, 01 Jul 2006 09:14:13 -0400
>>
>>
>> > From: "Nathan Ray" <skimaster77 at msn.com>
>> > Subject: 4kq hesitiation
>> >
>> > Yesterday my 4kq started to idle roughly and hesitated
>> > for several seconds anytime I try to accelerate.
>>**** Plugs misfiring. This happens under load only. Had very same problem
>>with my 4k. Started and idled fine, but would "buck" under load.
>>The solution was new plug wires.
>>If your ignition system is old  . . replace wires, plugs, distributor cap,
>>rotor.
>>
>> >While doing this the motor shakes the car pretty hard.
>>**** One or more cylinders not firing will cause this rough running of the
>>engine. The car will  "Buck" when driving and you step on the gas . . 
>>feels
>>like the ignition is cutting in and out. Thats the plug misfiring.
>>
>>The fuel pump has buzzed for the past few years
>> > and I suspect that it has finally stopped producing sufficient 
>>pressure.
>>Is
>> > this typically what happens when a fuel pump goes bad?
>>**** If problem was fuel related, engine would most likely die under load 
>>.
>>.not misfire.
>>
>>**** Also, your fuel pump is under the car. The electrical wire contacts
>>corrode and loosen up. Remove fuel pump wires, clean and replace. Add a 
>>nut
>>to the terminal stud, if you have the crimp style contacts on the wires.
>>
>>**** Google the problem . .use this syntax without the quotes "bucking
>>site:audifans.com"
>>
>>
>>SJ
>>85 Dodge PU, D-250, 318, auto
>>85 Audi 4k - - sold but still on the road
>>88 Audi 5kq
>>90 Audi 100q
>>
>>
>>
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>
>

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