Question about 1989 Jeep Wrangler

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I have an 89 yj jeep wrangler with a 2.5L throttle body 4x4 standard...the night i drove it i was using my brights which went off twice then 3 hrs later got back into car started it up and has been idling higher than usual but it died not even two minutes of it running...back on the highway it starts to die as we messed with the wires the jeep went back into drive and a huge backfire came afterwards...and starts but dies also found that the passenger seat (under) floorboard is very hot.......I don't know what to do

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SOURCE: 91 Jeep wrangler New everything idles rough, no Power then dies

you check for miss how is compression

Posted on Aug 29, 2009

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Where is ign.module for 89 6cyl. wrangler


ok just the word, 6cylinder.
but they had many.
early wrangler ,called the YJ jeep. true name.
be nice to know the VIN, number, xxxx on end.,
this tells the helper whats there, if still stock , is it? many are NOT.
many this old are engine swapped,
no photos by you of engine nor distributor...
nor the connector pin count on side of distributor.
lets do displacement first is it the 4.0L ?
with throttle body. injection, or a carb.?
1989 is a year of rapid changes, I had 2x 88s.
some have the french EFI , called Renix.
with 4 injectors, and a brain dead ECU. horrid.
this have there very own different spark systems.
I think the last carb ever on wrangler is 1987.
before this worse electronic carbs, yup , avoid them.
4.2L inline 6 no the 4.0L (5million made)
looks like injection did not happen on YJ until.... 1991. later
than all other jeeps, 4 years, late.
I had many of the others, my beloved, Comanche 88
500k miles long....
has spark timing, check.
has distrib. check
has sepr. coil check' has module outside, check.
im on line now at mitchells so could you.
its"
The ignition module is mounted next to the battery on all models. It is a sealed, weatherproof unit on the 4.2L engine. 1987-90 vehicles equipped with a 2.5L engine, incorporate the coil in the control module."




seem you have this. says wiki.
4.2 L AMC straight-6 engine, 358cu/in. engine.






26376162-jlsd2m0lwmebklx4yegtqi1t-1-0.jpg

Nov 28, 2016 | 1995 Jeep Wrangler

1 Answer

1990 Wrangler: I have a 1990 yj with the 4.2, my question for eve...


Most 90 wranglers from 89 to 95 have an ax15 5 speed transmission in them. The 4 cylinders had an ax5 transmission.

May 17, 2010 | 1990 Jeep Wrangler

2 Answers

My 89 Jeep YJ manual will not go in to reverse while running


Problem is likely either a worn shift fork or bad synchro (both inside the transmission) It's unlikely that you have a clutch problem otherwise the problem would be with first and reverse and shifting other gears would also be difficult.

Sep 01, 2009 | 1989 Jeep Wrangler

1 Answer

No smog


a bad sensior on the thottle body

Jul 26, 2009 | 1989 Jeep Wrangler

1 Answer

Missing factory throttle linkages on 1990 YJ jeep. Need Diagram


Go to any scrapyard and you can get the entire setup for next to nothing...and you can see how it's hooked up!!!

Jul 07, 2009 | 1990 Jeep Wrangler

1 Answer

Throttle cable???


Have a look at the cable where it hooks up to the throttle body.
Have someone push down on the accelarator while you look, make sure the throttle body is opening all the way.

Jul 11, 2008 | 2001 Jeep Wrangler

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