Question about 2002 Jeep Wrangler

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My 2002 jeep wrangler sport 4 cyl engine lite stays on dashboard,it does not affect performance.

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Also you can go to most Auto Zone stores have a scanner check out your engine light. Get the codes for free. So you have something to work with.

Posted on Feb 12, 2012

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Have you taken it to your mechanic to run the diagnostics... I had the same issue and it turned out to be a vapor lock issue that required a gas tank gasket replaced.

Posted on Aug 01, 2008

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MY ENGINE LIGHT ON MY JEEP WRANGLER SAHARA STAYS ON. I CHANGED OIL AND DID RESET PROCEDURE BUT MY ENGINE LIGHT STILL STAYS ON. WHAT ELSE SHOUKD I CHECK.


If you are talking about the yellow check engine light, you need to get the computer scanned for trouble codes. The warning light is telling the driver the computer has found a problem that affects engine performance and emissions.

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Sport Wrangler 6 cyl. Engine lite flashing. Diagnostic tool lists code PO305. I looked it up and it states misfire in cyl #3 & 5. How do I fix this?


Check the plugs, wires and coil pack for these two cylinders. Most lilkely it is the coil pack, they work for 2 cyclinders at a time. cylinder motors use 3 and 8 cyl moters use 4 of these. If your und=sure where the coil pack is, follow it backwards from the spark plugs.

Jul 08, 2011 | 2002 Jeep Wrangler

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No brake lites, 1993 Jeep Wrangler 4-cyl tail lites work, turn signals work, and hazards work. Is it a bad brake switch?


yes, or the relay.

Please see my tip at http://www.fixya.com/cars/r6053280-lights_out_lights_not_out_bulbs_ok . These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.

Oct 10, 2010 | Jeep Wrangler Cars & Trucks

2 Answers

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Sep 22, 2010 | 2002 Jeep Wrangler

1 Answer

I have a 1990 4 cyl jeep wrangler i just filled tank with gas drove 1 block and jeep stalled. Jeep starts right back up but will not stay running seems as though its not getting enough gas. Is this a fuel...


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May 15, 2010 | 1990 Jeep Wrangler

1 Answer

Yellow dashboard light on 2001 jeep wrangler sport


is there an icon or writing on it? is it the check engine light?

Apr 15, 2010 | 2002 Jeep Wrangler

1 Answer

What is the fuse diagram for a 1997 Jeep Wrangler Sport 6 cyl.?


Can check the Fuse description in the Jeep-JK-2007-Wrangler-Owners-Manual (page 385 and next).

I hope help with this (remember rated this)

Mar 03, 2010 | 1997 Jeep Wrangler

1 Answer

Getting code P1022 when checking onboard diag. chek engine light also on intermitt 03 jeep wrangler 6 cyl 4X4


that is an injector problem.injector # 2 is letting out a high output.this could be there is a bad connector or a damaged wire.this will affect the way your injector reacts and will cause the check engine to go on and off.you would need an injector tester to check the spray pattern for your injector.

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3 Answers

Can i drop a 6 cyl. engine in my 1997 jeep wrangler. I have a 4 cyl. and would like a little more power.


Yes, that actually was an option for the jeep. A 4.0 inline 6cyclinder. Should be pretty straigh forward

Aug 17, 2009 | 1997 Jeep Wrangler

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