
1999 Jeep Cherokee Sport 4.0L Misfire, cracked plugs
we are having a problem with this jeep cracking cyl 3 spark plug. NO CARBON, we have done numerous induction cleanings in the past, thinking it was carbon. I'm stumped. The plug appears fine in color, very light brown, and the deep casing on the plug is closer...
FIX posted 7/13/2012
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Message Closed w/Summary
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VIN | 1J4FF68S7X |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Misfire, Cracked Plugs |
Occurs | Over 10K Miles |
Trouble Codes
P0300 | Multiple Misfire Detected |
P0302 | Cylinder 2 Misfire Detected |
P0303 | Cylinder 3 Misfire Detected |
Message Closed w/Summary
Vehicle Data
1999 Jeep Cherokee Sport
VIN | 1J4FF68S7X |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Misfire, Cracked Plugs |
Occurs | Over 10K Miles |
Trouble Codes
P0300 | Multiple Misfire Detected |
P0302 | Cylinder 2 Misfire Detected |
P0303 | Cylinder 3 Misfire Detected |