Can you describe the surge for me?? I still think its one of two things in
my case...either the TPS (we checked that for 'smoothness' with a dig. VM,)
or the distributor, which DEFINATELY has some play in the shaft ( I can
rotate the shaft a few degrees either way, thus making the precise setting
of thecrank sensor impossible)...
At 08:20 AM 8/8/97 EDT, you wrote:
>
>Guys- with repect to the scanners... they aint perfect... to wit:
>
>I to had a problem with surging. except that mine was @ 69-70 MPH (no
>problems higher OR lower) and the dealers scanner (DRBII?) said all
>was copacetic. Well, $350 of shot-in-the-dark troubleshooting later,
>The TPS was replaced and fixed the problem. Every single scan prior to
>that said the TPS was perfect. And these scans were performed *at* 69-70
>MPH during the surges... go figure...
>what ever happen to the old time mechanics, that could diagnose a problem
>half-in-the-bag from 20 paces? They didn't have any stinkin scanners!
>
>
>>From: David Zavetsky <dzavetsky@earthlink.net>
>
>>ANd then after a couple hundred bucks, they
>>either find the one part that caused it all along, or I end up being a lot
>>pooorer with the same problems....
>
>Ouch... this sounds sooo familiar...
>>
>>... checked output of TPS and a few other
>>sensors,
>
>HOW??? Not with the scanner I hope...
>
>>Its an odd problem,...The truck runs like crazy EXCEPT under light-moderate
>>load at around 2200 rpm...Actually, it surges up and down at that rpm if you
>>hold the throttle and load steady..
>>
>>
>We as normal people (the Politically correct version of dakotaholics)
>should be able to live and learn. (from others too if possible..)
>thats what separates us from animals and lawyers!
>Fool me once, shame on you, fool me twice...
>
>-rICK
>'90 4x4 3.9L Auto(A500)
>
>
>
This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 12:07:50 EDT