Whamm Posted December 28, 2008 Share Posted December 28, 2008 I have a 90 Comanche with 4cyl with about 275XXX miles. I was driving and all the sudden it lost power and began backfiring. It made it home barely. I am guessing that it has jumped time. It will not start now but does turn over. Will be checking the time the old fasioned way. Just wondering before i repalce the chain and other parts if there could be any other issue that i should check for. Link to comment Share on other sites More sharing options...
Eagle Posted December 28, 2008 Share Posted December 28, 2008 For starters, if it's a 1990 you don't have a carb. Link to comment Share on other sites More sharing options...
Whamm Posted December 28, 2008 Author Share Posted December 28, 2008 My bad, through the thottle body. Link to comment Share on other sites More sharing options...
BLHTAZ Posted December 28, 2008 Share Posted December 28, 2008 From your description, I would agree with you and believe that it's the timing. The 2.5L engine has a tensioner on the chain (unlike the 4.0L), which may be the problem, but if you are going to open it with that many miles on it you might as well repalce it all. Link to comment Share on other sites More sharing options...
Whamm Posted December 28, 2008 Author Share Posted December 28, 2008 Other than the timing kit anything else I should change out? (i.e. Waterpump?) Link to comment Share on other sites More sharing options...
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