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Topic Review (Newest First)
06-02-2010 12:57 PM
flatline just asked friend with 89. no codes have to pin check. box under hood on fire wall, check voltage to pins. the pcu basically just runs the carburator, some minor ignition stuff but nothing like the newer cars.
06-02-2010 12:21 PM
flatline I'm not very good with your year jeep. but on the 91-95 you can turn the key from acc. to on(without starting motor) 3x leave in on position and the check engine light will flash. so you count flashes then look up on a code chart.
06-02-2010 12:10 PM
South23
Quote:
Originally Posted by flatline View Post
the pcm is a very simple computor that controls the carburetor. the codes are a number that tells you what could be wrong with vehicle.
how do i go about getting the codes? My carb. is doing something weird, and I can't figure what else to do...
06-02-2010 10:05 AM
toshpate hmmm scared to hook my 89 up then..the codes would be off the hook ha ha ha
06-02-2010 09:39 AM
flatline the pcm is a very simple computor that controls the carburetor. the codes are a number that tells you what could be wrong with vehicle.
06-02-2010 08:26 AM
South23
Quote:
Originally Posted by bck4more View Post
So just trying to figure out whats wrong with my jeep and wondering if my I6 has a PCM
I am having some issue with my 87 that seemed similar to yours. i am new to the jeep thing, what is a PCM?

And what are all these codes people keep talking about? does an 87 have codes?
05-20-2010 11:26 PM
tkdfun4u according to alldata you do. it should be under center of dash
05-20-2010 10:07 AM
bck4more
does an 87 have a PCM

So just trying to figure out whats wrong with my jeep and wondering if my I6 has a PCM

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