TIME TO CHANGE THE TPS - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 12-16-2003, 05:13 PM   #1
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Default TIME TO CHANGE THE TPS

OK Pulled the code off my wife'* 92 SSEi - TPS. Found the part TH50 I believe for about 50.00.
Only question, degree, if any, of difficulty? Anything special needed.
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Old 12-16-2003, 08:48 PM   #2
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No adjustment on my 93 or Josh'*. Just 2 screws for mounting.
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Old 12-16-2003, 09:47 PM   #3
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Quote:
Originally Posted by willwren
No adjustment on my 93 or Josh'*. Just 2 screws for mounting.
Yes, that'* all I am seeing as well. Couldn't imagine it would be that easy. Was concerned about calibration. Should just self align correct?
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Old 12-16-2003, 09:49 PM   #4
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I'd have to double-check my books for the 92, so if you hold tight, I'll check later tonight. Use a short ratchet tool with a phillips bit to change it so you don't have to remove the TB.
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Old 12-16-2003, 10:47 PM   #5
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Quote:
Originally Posted by willwren
I'd have to double-check my books for the 92, so if you hold tight, I'll check later tonight. Use a short ratchet tool with a phillips bit to change it so you don't have to remove the TB.
Thanks
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Old 12-16-2003, 11:04 PM   #6
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Damn. Is the 93 procedure the same? We didn't do anything to Josh'* SSE, and it works fine.
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Old 12-17-2003, 02:25 PM   #7
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I can't remember if it was the IAC valve or the TPS, but I found that it makes it much easier if you replace the screws with hex head bolts.
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Old 12-17-2003, 02:49 PM   #8
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OK the information gathered here is most helpful. I'll assume for the moment I'll have to adjust the TPS. I don't have a scan tool. Is it possible to do the calibration with a multi-meter and if so, what range will I be looking for as acceptable.
Thanks again guys. Any of you ever get an SHO I can get you virtually any information you need on it much like you do with the Bonnies.
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Old 12-17-2003, 02:57 PM   #9
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I did not have to do any adjustment when I replaced my TPS. I do not recall the repair manual telling me that it had to be adjusted.

Also, the TPS voltage is right where it is supposed to be at idle per my scan tool. I would have to double check my repair manual to see if it matches yours.
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Old 12-17-2003, 03:00 PM   #10
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Yes, a multimeter will work the same as a scan tool. Just check the voltage when the throttle body plate is closed.
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