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Old 11-23-12, 23:21   #1 (permalink)
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Anyone replace a Throttle Position Sensor?

If so, what were the symptoms?

Thanks

89 MX6GT (Eibach, KYB, Magnaflow 2.25", Konig, Glowshift triple, chipped), see
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01 Corvette Z51 Coupe (some mods)
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Old 11-29-12, 0:59   #2 (permalink)

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Yes, felt like i had a hole in my map, just miss fired bucked and jerked. At a certain position of the throttle it would just wig out and then act fine before or after that point. I checked mine with my volt meter (1) Signal to ground 1v-5v and Sensor power to signal (OHMS). It was pretty easy to tell for me as my volt meter would act a fool with erratic readings when it hit the bad spot in the sensor. It should just increase and decrease Voltage and resistance steadily.
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Old 11-30-12, 2:16   #3 (permalink)

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yeah...

mine just didnt idle properly sometimes

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Old 11-30-12, 11:22   #4 (permalink)
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yea, i got a weird idle too, sometimes it would idle way high like 2k, other times it would just stall on me. on occasion, she'd purr like a kitten.
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Old 12-2-12, 0:00   #5 (permalink)
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Thanks, guys,

I detect a sort of stuttering at a certain throttle position. Putting the auto tranny in "Sport" mode helps bypass that position, but I also notice that if I brake hard at a stop, the engine conks out. This rarely happens but I suspect the TPS is at fault.

Where did you buy yours - the dealership? Is it a simple swap and is it expensive?

Okay, I found that at Rock Auto, a Standard = $41.79, a Beck/Arnly = $63.79, and an Airtex/Wells = $76.79

It looks fairly simple to install but I'll check with my service manual to see how to test and install if necessary.

Last edited by automan; 12-2-12 at 0:36..

89 MX6GT (Eibach, KYB, Magnaflow 2.25", Konig, Glowshift triple, chipped), see
http://www.conceptualpolymer.com/MX6...teLite16s.html
01 Corvette Z51 Coupe (some mods)
08 MX-5 PRHT (MS intake, Progress, Koni, RB)
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Old 12-2-12, 18:41   #6 (permalink)
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its four phillips head screws and the removal of the connector to replace it. 2 of the screws are holding in the tps itself, the other 2 are holding in the wires. very easy job.
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Old 12-2-12, 20:30   #7 (permalink)
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Great, thanks, Andy.

89 MX6GT (Eibach, KYB, Magnaflow 2.25", Konig, Glowshift triple, chipped), see
http://www.conceptualpolymer.com/MX6...teLite16s.html
01 Corvette Z51 Coupe (some mods)
08 MX-5 PRHT (MS intake, Progress, Koni, RB)
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Old 12-2-12, 20:51   #8 (permalink)
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no problem. i have a brand new throttle body sitting next to me that i'd offer you if you had an n/a.
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Old 12-2-12, 22:54   #9 (permalink)
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I ordered the $42 Standard from Rock Auto and specified my exact model, but thanks, anyway.

89 MX6GT (Eibach, KYB, Magnaflow 2.25", Konig, Glowshift triple, chipped), see
http://www.conceptualpolymer.com/MX6...teLite16s.html
01 Corvette Z51 Coupe (some mods)
08 MX-5 PRHT (MS intake, Progress, Koni, RB)
automan is offline   Reply With Quote
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