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post #1 of 8 (permalink) Old 11-13-2012, 09:58 PM Thread Starter
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Question check engine light.....

i was cleaning the throttle body and was unaware that i should not have not removed the two electrical components which have caused the check engine light to come on i need a solution or an idea of what my self afflicted problem could possibly be



97' trep 3.3
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austin
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post #2 of 8 (permalink) Old 11-13-2012, 10:35 PM
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Did you just unplug them or remove them completely? I think the are the TPS and IAC! I will have to look them up in my book!
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post #3 of 8 (permalink) Old 11-13-2012, 10:41 PM
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Sorry my book is from '98-04' did you try putting them back in? I know some car's have adjustable TPS I don't think the IAC will matter you can disconnect the negative battery terminal for about 2 min and try that
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post #4 of 8 (permalink) Old 11-13-2012, 11:04 PM
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Quote:
Originally Posted by Firemnted View Post
Sorry my book is from '98-04' did you try putting them back in? I know some car's have adjustable TPS I don't think the IAC will matter you can disconnect the negative battery terminal for about 2 min and try that
TPS adjustment is hand in hand with throttle plate adjustment on these cars. IAC is controlled by a stepper motor on these models. Cleanliness of the plunger tip is important for consistent idle quality.
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post #5 of 8 (permalink) Old 11-14-2012, 12:47 AM Thread Starter
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i just unplugged them from the throttle body i didnt take the hole component off of the throttle body

also did some research after the fact and came across a site http://www.mobiloil.com/USA-English/...le_Bodies.aspx

it says in this not to 'disturb' these

and will try the removing the negative will post with outcome
thank you
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post #6 of 8 (permalink) Old 11-14-2012, 07:05 AM
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Quote:
Originally Posted by austin View Post
i just unplugged them from the throttle body i didnt take the hole component off of the throttle body

also did some research after the fact and came across a site http://www.mobiloil.com/USA-English/...le_Bodies.aspx

it says in this not to 'disturb' these

and will try the removing the negative will post with outcome
thank you
That should help, it resets the engine controller's adaptive memory to zero and wipes any history of a TPS or IAC swing.

The article mentions not to disturb the wires but, if you have the key off or battery disconnected, this won't be an issue. Also, the article doesn't mention how throttle bodies on LH vehicles generally face backwards so cleaning effectively might require removing it completely, plugs and all.
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post #7 of 8 (permalink) Old 11-14-2012, 11:39 AM Thread Starter
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i pulled the negative and my problem was solved thank you all for your time
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post #8 of 8 (permalink) Old 11-14-2012, 07:35 PM
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No problem!
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