03 jeep Cherokee misfiring and smoking
01-24-2013, 03:30 PM
#1
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Model: Cherokee
03 jeep Cherokee misfiring and smoking
Hi people
Hope someone can shed some light on this matter. I have just purchased a 03 jeep cherokee 3.7 petrol. The car has just had a brand new radiator, spark plugs, coil pack and exhaust unit fitted. The car has started but is still chugging and blowing smoke. A compression test shows that there is some power lacking but there are no engine management lights on, my mechanic thinks it could be a cracked or bent valve however i have been reading about this ASD issue, can anyone shed any light???
Hope someone can shed some light on this matter. I have just purchased a 03 jeep cherokee 3.7 petrol. The car has just had a brand new radiator, spark plugs, coil pack and exhaust unit fitted. The car has started but is still chugging and blowing smoke. A compression test shows that there is some power lacking but there are no engine management lights on, my mechanic thinks it could be a cracked or bent valve however i have been reading about this ASD issue, can anyone shed any light???
01-24-2013, 05:00 PM
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Location: Hudson, FL
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Year: 1999
Model: Cherokee
Engine: 4.0L Inline 6
My friend's Jeep had a misfiring issue. Check to make sure there are no cracks in the head. He replaced the head and the misfire was gone.
01-24-2013, 05:04 PM
#3
Senior Member
Hi people
Hope someone can shed some light on this matter. I have just purchased a 03 jeep cherokee 3.7 petrol. The car has just had a brand new radiator, spark plugs, coil pack and exhaust unit fitted. The car has started but is still chugging and blowing smoke. A compression test shows that there is some power lacking but there are no engine management lights on, my mechanic thinks it could be a cracked or bent valve however i have been reading about this ASD issue, can anyone shed any light???
Hope someone can shed some light on this matter. I have just purchased a 03 jeep cherokee 3.7 petrol. The car has just had a brand new radiator, spark plugs, coil pack and exhaust unit fitted. The car has started but is still chugging and blowing smoke. A compression test shows that there is some power lacking but there are no engine management lights on, my mechanic thinks it could be a cracked or bent valve however i have been reading about this ASD issue, can anyone shed any light???
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