Unidentified engine bucking.... 4kq

griz griz at myrealbox.com
Wed Dec 4 13:17:09 EST 2002

I had the same symptoms. Eventually car wouldn't idle at all.
Tach bouncing and car lurching while in gear. Ended up being
fuel pump. Replaced accumulator, pump, rubber hoses, and
_both_ filters


KMracer007 at aol.com wrote:
> Ok, I leave work for lunch today, go for the usual "I can get my car in there" left turn into traffic and I am greeted with a nasty thump and consequent bucking of the motor at anything above 1/8 throttle. I can get to 35 or 40 but havent gone any faster. I figured it was a motor mount on the right side, lucky me, there is one sitting on the bench still in OEM packaging. I put it in and go for a test drive. The bucking is still there. I am goin after the right side tranny mount next as soon as it cools off in there a little. If anyone has experienced this before or can point me in the right direction that would be great. Also a point of note, I checked the center driveshaft donut thing and it seemed fine along with all the CV's on the car. Thanks in advance!
> ~Kenny
> 85 4kq w/issues
> 90 V8q

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