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Anonymous Posted on Jun 05, 2012

Does a 1989 jeep wrangler 6cyl have a check engine light?

I need to smog this jeep and I dont see a check engine light?

  • Anonymous Jun 05, 2012

    re: 1989 jeep wrangler ....After further research, and taking the dash apart I found out there is not a check engine light. It's an emission maint. light, that comes on at 82,500 miles. And is not present when key is on.

  • Anonymous Jun 05, 2012

    I looked in my 1989 owner's manual and here's what it says - "Emissions Maintenance Indicator Light - (Does not appear in California vehicles). Illuminates at approximately 82,500 miles (133,000 km) to indicate that the PCV valve and oxygen sensor are scheduled for replacement. See your dealer as soon as possible." Wasn't until 1991 when they changed the 2.5 to MPI and the I6 to the 4.0 that they got a check engine light.

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  • Expert 37 Answers
  • Posted on Jun 05, 2012
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5 Related Answers

Anonymous

  • 1 Answer
  • Posted on Nov 27, 2008

SOURCE: 1989 engine wiring diagram for

Where the wiring diagram.

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Anonymous

  • 6982 Answers
  • Posted on Dec 29, 2008

SOURCE: push down on clutch pedal can't get car into gear

Likely, you have a hydraulic clutch system. Check clutch master cylijnder for fluid and leakage, check hydraulic line and slave cylinder for leaks. If fluid low or empty, bleed as you would a brake wheel cylinder. If full,have someone work the clutch while you watch slave cylinder to make sure it is moving clutch fork. If system full and little or no movement, the master may be "bypassing" internally (replace) Also, check pedal mechanical linkage. Not often but sometimes these parts can break! Could also be athat clutch itself is worn, but this does not happen overnight and you would have noted slip long before this!

Anonymous

  • 323 Answers
  • Posted on Jun 08, 2009

SOURCE: 2006 jeep wrangler check engine light came on it

There is a software update for the PCM that addresses this issue. TSB 18-028-06

Anonymous

  • 1 Answer
  • Posted on Jul 16, 2009

SOURCE: engine control wiring diagram 1989

I am looking for a wiring diagrapm for a 1989 Jeep Wrangler. I have a wire that is running to the alternator with an Orange and red wire that are not hooked up to anything and I cannot find a place for them. It is a single pin connector.
Thanks

airjoc

Rob Sinbad

  • 709 Answers
  • Posted on Sep 27, 2009

SOURCE: 2002 jeep wrangler -- check engine light and code

P0302 means number two cylinder has a misfire, due to possibly a spark plug, spark plug wire, ignition coil, fuel injector or something mechanical in the engine like a bad valve, valve spring etc. Start at the front of the engine, where all the accessories are mounted(alternator, power steering pump, etc) then count each each spark plug from left to right in normal order. The cylinder to the left will be 1, and the cylinder to the far right will be 4. When you locate number 2 cylinder, check the plug wire for damage. remove the spark plug and inspect it for wear. A new set of spark plugs and wires will probably fix your problem. Otherwise it may me a coil pack or ignition module. Hope this helps.

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Related Questions:

0helpful
1answer

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
0helpful
1answer

1989 Jeep Wrangler Fuse Diagram

we dont have them.
most sites, dont.
depends on what engine is there,and you never said
and if A/C and other majors.
if EFI ,its French Renix injected.
a lil horror that.

one place on earth has this data.
mitchells has better coverage on the odd cars.. IMO

http://www.eautorepair.net/Marketing/Default.asp

btw,I own 2 of these dogs. with full docs.
0helpful
1answer

1989 wrangler 4.2 litre engine wont idle

my 1989 jeep wrangler would not idle and come to find out it was a little filter cloth inside the fuel tank that was on the end of the pickup tube going to the fuel filter. It was clogged up and when the engine was started it would just suck in and cut off fuel flow. My mechanic removed the filter cloth from the tube and the jeep runs great. It really does not need to be there because the fuel line has a filter on it. I hope this helps , I know for me it was very frustrating trying to figure this problem out.
0helpful
1answer

My 95 Jeep Wrangler failed smog because the check engine light would not come on when the vehicle was started. What do I look for and how do I fix it?

No doubt someone has taken the bulb out so take the dash out and check it out first ,failing which i did hear a rumour that they have stopped doing emmision tests in the state of florida
0helpful
1answer

I need to replace the cam sensor on my 97 jeep wrangler were do i find it in the motor..

For 1997 Jeep Wrangler 4WD 4.0L MFI 6cyl the Camshaft Position Sensor is located: Under hood, passenger side, front engine area, mounted on front of intake manifold

Hope helps (remember to rate this).
0helpful
1answer

1989 jeep wrangler starts jumping and backfiring

Start with the basics...meaning check the spark plug wires and spark plugs. While under the hood, inspect all hoses for a vacuum leak(s). Then turn the ignition key on-off-on-off- on...leave in the on position and write down the number of flashes the check engine light indicates....2 flashes = #2....pause.....3 flashes = #3.
Let start from here. Are you able to perform engine repairs or diagnostics???
0helpful
1answer

No smog

a bad sensior on the thottle body
2helpful
3answers

Looking for Service Repair Manual Jeep Wrangler YJ

i have a 1988 jeep wrangler 6cyl with 5 speed transmission. I was shifting the jeep and it got stuck in third gear. We opened it up and saw that the linkage is aligned and everything is in place. I dont know what is wrong and what to do next. please help ....
0helpful
1answer

No spark from ignition module on hot start

95 JEEP WRANGLER 4 CYL

No spark. I have changed out the distributor cap, rotor, wiring from coil to cap, and coil was replaced. I checked the distibutor by turning ignition key and observing the rotor turn. What else can I check. I did not observe a module.
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