RE: TPS mod done....but have a question

From: Bernd D. Ratsch (bernd@texas.net)
Date: Fri Oct 26 2001 - 19:10:55 EDT


You probably have a TBI unit instead of the MPI system from the '92 on
up vehicles. The mod doesn't apply to the '91 and older models due to
this. The '91 TPS range is from 1v to 4v.

- Bernd

-----Original Message-----
From: owner-dakota-truck@BUFFNET.NET
[mailto:owner-dakota-truck@BUFFNET.NET] On Behalf Of Psychosis
Subject: DML: TPS mod done....but have a question

Ok, I did the TPS mod on my 1991 V8 Dak. Voltage at middle wire was
1.08 before doing anything. After i drilled out the bushings i could
get it down to .86 and no lower. After tightening i started truck and
didn't touch gas pedal like it said, let it run a minute then shut it
off. I then started it back after about 20 secs and drove it. I really
couldn't tell much diff. but heres the weird part. After i got back i
shut the truck off, turned switch to on and measured voltage again....it
was back at 1.08!?!?! Now why is the voltage back like it was because i
know the sensor never moved. Any ideas?

Psychosis



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