Engine issues, maybe a sensor? Symptoms listed in thread.

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Sep 7, 2011 | 02:01 PM

#16

FL Denmark

Member

Joined: Apr 2011

Posts: 178

Likes: 0

From: Ringsted

Year: 1997

Model: Cherokee

Engine: 4.0 L

Quote:

Originally Posted by DJKnightmare

Update-

I have figured out that it corresponds to my engine temp. When it is cold, it runs great.

When I run it for a bit, it tends to even out (i.e. still idle horribly, not not get worse).

When I sit in traffic and the temp rises, the issue gets worse to the point where it begins to stall at lights/stops.

BTW - Thank you all for your ideas.

first thing i would do was to check for false air. a broken vacum hose or a loose manifold.

Sep 7, 2011 | 04:34 PM

#17

cruiser54

::CF Moderator::

Joined: Aug 2011

Posts: 43,971

Likes: 1,579

From: Prescott, Az

Year: 1990

Model: Cherokee (XJ)

Engine: 4.0

Quote:

Originally Posted by toogreat

crank sensor. i just went through the exact same thing

The Renix system works differently than yours. I doubt it's the CPS in the OP's case.

I also like the idea of checking for vacuum leaks as suggested by FL Denmark.