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Goof accelleration: Need codes!

mountainbiker

NAXJA Forum User
Location
Valparaiso, IN
I have a 1997 4door 5-speed 4.0L.

It is a great Jeep overall but I am having a problem when driving it. It tends to be "stubborn" and not want to accellerate. You can press the gas down from a green light and it will start to go then decide that it really doesn't want to. If i take it out of gear and give it some RPM's it will decide to go after put back in gear.

It only seems to happen from a stop. It never happens when I am cruising.

I do have a check engine light on with these codes:

12, 43, & 55.

I think the 12 may have to do with the O2 sensor. I thought the problem also could be the TCM or a vacuum leak. Any thoughts?

Matt


 
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