seeking list knowledge - poor running 88 5ktqa

Doyt W. Echelberger Doyt at NWOnline.Net
Tue Mar 30 18:35:00 EST 2004

My first suspect would be the oxygen sensor, Stephane. If you have been 
running it more than 30k miles, it is due for preventive maintenance 
anyhow. If you keep running it that way, the power will drop off so far 
that you will need to pull off the road to avoid getting  run over. 
Consider changing the oxygen sensor.


At 11:22 AM 3/30/2004 -0600, you wrote:
>Hello all, needing your help (again).
>My 88 5kcstq (MC1 engine) is really starting to act up on me and I don't
>know why.....
>Symptoms:(lots of snipping)............
>2.  Exhaust is stinky.
>3.  Black soot on the inside of tailpipe,
>4.  Engine seems to warm up a lot quicker than it used to.
>5.  When it was colder in AM (couple weeks ago), it started off almost
>on the first crank, would idle nice for a few seconds then idle would
>die down and running would become very rough to where it seemed like
>only 2 or 3 cylinders were firing.
>6.  Now when I start in AM it will not start without throttle
>application and I have to keep giving it throttle to keep it idling for
>the first minute or so.

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