Compression Problems
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Join Date: Mar 2011
Location: Ontario
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Year: 1997
Model: Cherokee
Engine: 4.0
Compression Problems
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Okay here is my problem my jeep started running terrible a little while ago and i have another car so i just parked it for most of the winter waiting for some warmer i have been reading posts and tested all the sensors on the engine couldn't find anything wrong the only codes my jeep is giving off are 300 303 and 304 all miss fire codes.
Might have found the culprit today I was testing compression and it goes as follows:
1-110
2-75
3-0
4-0
5-75
6-110
it seems like it is most likely that the head is warped and i am blowing fuel and air in between the two cylinders but it is also kind of suspicious teh firing order is
1-110
5-75
3-0
6-110
2-75
4-0
It makes me think it could also be a timing issue but then you think all of the cylinders would be low or the same
I was also only getting about 250 km or 150 miles to a tank.
ouch
I am going to put my money on a head gasket and warped head it has been over heated a few times bush running
Let me know what you think
Okay here is my problem my jeep started running terrible a little while ago and i have another car so i just parked it for most of the winter waiting for some warmer i have been reading posts and tested all the sensors on the engine couldn't find anything wrong the only codes my jeep is giving off are 300 303 and 304 all miss fire codes.
Might have found the culprit today I was testing compression and it goes as follows:
1-110
2-75
3-0
4-0
5-75
6-110
it seems like it is most likely that the head is warped and i am blowing fuel and air in between the two cylinders but it is also kind of suspicious teh firing order is
1-110
5-75
3-0
6-110
2-75
4-0
It makes me think it could also be a timing issue but then you think all of the cylinders would be low or the same
I was also only getting about 250 km or 150 miles to a tank.
ouch
I am going to put my money on a head gasket and warped head it has been over heated a few times bush running
Let me know what you think
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