[V8] Engine idle speed problems

[Dag Bøsterud]

My problem seems more erratic. As explained, I can drive a few miles, stop 
the car, leave it for a frew minutes, start it, and it acts funny. If I stop 
and restart the engine the symptoms are gone. The other day the car acted 
funny when driving home from work, but when arriving home the car was back 
to normal.

Since then, I have cleaned out the ISV; some dirt came out and the idle 
seems a bit more steady. I will let you know how this goes :)

/Dag
92 V8 4.2


----- Original Message ----- 
From: "Ed Dekker" <dekkere at fuse.net>
To: "V8@@audifans.com" <V8 at audifans.com>
Sent: Monday, July 14, 2008 5:13 AM
Subject: Re: [V8] Engine idle speed problems


Not exactly the symptoms I had, but sounds similar.  I had a bad AT solenoid
#2 that kept the fluid clutch engaged when cold and stopped at a traffic
light.  Shawn head was the first to diagnose and describe dropping the AT
pan to replace the solenoid.  I hired the job for about $340, but Shawn and
his dad, Dave Head did their own for much, much less.  Any good tranny shop
can do it.  I'd ask Dave his thoughts.  He knows v8q's.

Ed Dekker

----- Original Message ----- 
From: "urq" <urq at pacbell.net>
To: <v8 at audifans.com>
Sent: Sunday, July 13, 2008 6:43 PM
Subject: Re: [V8] Engine idle speed problems


... possible ... but it may be an AT problem too IIRC ... not BTDT on
automatics, but I thought there was a case where the transmission wasn't
fully disengaging and that was causing the engine to get bogged down ...

Steve B
San José, CA (USA)

-----Original Message-----

The other day I had driven my 92 V8 4.2 about 4 km. Stopped her, and fired
her up again after a few minutes. The idle speed was very low, the car
almost died, and the engine had no power. Stopped the engine and started it
again, everything was okay.

The same thing happened to me again today, but today instead of stopping the

car I managed to drive away, and when I got to my destination, the idle was
fine.

What could this be? Sticky idle valve?

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