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Old 12-01-2009, 04:52 PM   #1
builtsl1tough
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Default tps connector

This is my first post, but I've been using this forum for quite a while now. This site is awesome, and all of your posts have helped me work on my saturn.

I have this intermittent high idle problem. At a stop light the engine sometimes idles at approximately 1100 rpm in drive and over 2000 rpm in neutral, but if I restart the car it idles smoothly at 650 - 700 rpm.

This is what's be done so far:
The ECTS was changed years ago
I checked for leaks using carb cleaner - nothing
I cleaned the throttle body and IAC
I tested the TPS - voltage and resistance increases smoothly
I tapped on the TPS when it was idling high - nothing
Wiggling the TPS connector brings the idle back down to normal.

So I called my local saturn dealer today and a tps connector for my saturn is $56.10. I was surprised since I've found GM 3-pin tps connectors for $6 - $12. Are they the same thing or where else can I get a saturn TPS connector? Are they simply 3-pin weatherpack connectors? Because these are available at electrical supply stores for pennies.

Thanks again for all your help over the years.
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2000 sl1
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Old 12-01-2009, 06:43 PM   #2
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Default Re: tps connector

You could get a connector from a salvage yard possibly, while you are there I would get the tp sensor too just in case. I have seen bad tp sensors cause that problem.
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Old 12-01-2009, 08:22 PM   #3
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Default Re: tps connector

I would add this; if you're sure its the connectors to the tps and can buy either the junk yard complete set (tps and both connectors) or new connectors from rs-autosport.net, try the tps or simply eliminate the original three-pin connector and solder all the wires. Shrink wrap the connections for weatherproofing and drive. If the existing tps works and only needs a replacement set of three-pin connectors, adapt the junk yard set. A used tps may work just as well.

Dealer parts are simply marked up; its business, nothing personal. Its always "buyer beware".
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Old 12-02-2009, 01:25 PM   #4
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Default Re: tps connector

Thanks for your suggestions. I'll go to the junk dealer here in town and see what i can find.
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