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2004 Jeep Wrangler Rubicon 2dr

2004 Jeep Wrangler
Trim Info:
4-Wheel Drive, 4 Door, 4WD Sport Utility Vehicles
16 mpg city / 19 mpg hwy
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February 27, 2013, 11:26 am

Lillie R
 

Question: rough idle maybe hot soak problem misfire

misfire on #3 cylnder put a sleeve on cylinder #3


March 4, 2013, 12:12 pm

Elizabeth K
Expert Mechanic

What are the results of a compression test? What does the #3 spark plug look like compared to the others? If they are new plugs, what did the old ones look like? Have you verified that #3 is firing?


0/1 users found this helpful.

March 4, 2013, 12:20 pm

Lillie R
 

COMPRESSION TEST WAS GOOD. THE #3 SPARK PLUG WAS GOOD AND ALL THE OTHERS LOOKED GOOD. DID VERIFY THAT #3 IS MISFIRING


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March 4, 2013, 12:49 pm

Elizabeth K
Expert Mechanic

We're having some communication issues here. To be clear, you've got a misfire, but all the plugs look the same? Are you familiar with reading a spark plug? Nothing is wet, oily, or miscolored?

If you verified that #3 is misfiring, then does that mean it is never firing? How did you determine that? Is the plug not getting spark? Or does it only misfire under a load, at idle, etc?


0/0 users found this helpful.

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