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post #1 of 4 Old 10-23-2012, 02:21 PM Thread Starter
Bkhager
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Engine idle question...

I have read several posts and have not seen what seems to be my answer so I thought I would try here. 1996 xj 4.0. Recently replaced tps because engine stumbled upon acceleration and the would not start. That worked fine except now the engine sporadically idles low in gear at a stop light ( enough to start vibrating) and then when I put it in park it idles over 1000 ( I can sometimes get it to settle out when I rev the motor). Is this a tps issue, an iac issue, or other? Thanks in advance


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post #2 of 4 Old 10-27-2012, 06:02 AM
Mboelts
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Have you checked the IAC? That would be my first thought to look at, might also need to clean the IAC housing ant TB.

-"I feel sorry for people who don't drink. When they wake up in the morning, that's as good as they're going to feel all day." - Frank Sinatra

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post #3 of 4 Old 10-27-2012, 02:02 PM Thread Starter
Bkhager
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Thanks for the response. It was that blasted tps, again. I have ordered a Mopar replacement finally!

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post #4 of 4 Old 10-27-2012, 08:06 PM
Mboelts
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Oh man I got bit by the cheapo knockoff ones too. The damns thing fell apart in my hand when I replaced it with a Mopar one. Lessen learned, for sensors use the o.e.

-"I feel sorry for people who don't drink. When they wake up in the morning, that's as good as they're going to feel all day." - Frank Sinatra

A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.

KCCO!
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