Also... Should have been a red flag when the mechanic told me he needed to program the O2 sensors. At first I was like ummmm OK? Really? But I figured he knows more than me...
I bought a set of 4 O2 sensors, cheapest I could find off Ebay. I figured they all work the same. Also this is the third time it has been over at this shop! Each time we get it back supposedly fixed it does the same rough idle stalling thing so yes maybe time to take it somewhere else!
Yes I...
This is great help thanks! I put Champion plugs in the 2008 3.7 I have now. So... Tonight I purchased 6 of the correct NGK plugs you recommended. The jeep is still at the shop being tested & diagnosed and I will replace the plugs and do a battery voltage test once I get it back. I also ordered...
In park the idle surges high then super low where the exhaust sounds like a cammed hot rod then stalls eventually.
It starts right up every time after stalling. The battery is older and a few times when starting it has a very quick pause once the starter hits then turns the engine over but not...
I am SO exhausted & frustrated over my long drawn out rough idle & stalling in PARK issue!
History... Two months ago my 2006 Jeep Liberty 3.7L began having a very erratic idle but ONLY IN PARK. Then it developed a severe misfire plus had random intermittent sudden loss of power acceleration...
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