Low Idle in Park
Junior Member
Joined: Jan 2010
Posts: 25
Likes: 0
From: casper wyoming
Car: 1996 jeep cherokee
Engine: 4.0
Transmission: 4 speed auto
Axle/Gears: chrysler 8 3/4 3.08 gears
Re: Low Idle in Park
I dont know much about these computer controlled q-jets but it sounds like a low speed idle circuit problem to me. If you can adjust this bring up the low speed idle just a bit. It sounds like after the engine is warmed up the carb is over compensating for it.
Supreme Member
Joined: Sep 1999
Posts: 7,072
Likes: 13
From: Philly, PA
Re: Low Idle in Park
In-gear idle spec for an LG4 was only like 500 RPMs, 600 in park, if memory serves. I guess the question is.... what changed from before? What did it used to idle at? Did this happen out of the blue, or did something change and then it started happening? Is the engine completely stock?
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