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Old 06-25-2013, 03:53 PM   #1
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I have a 1998 Wrangler that sat for the winter and was running great when I parked it. Now the engine looks as though its having a seizure it shakes so bad. The number four cylinder doesn’t seem to be firing however the plug and wire has good spark. I have changed the fuel injector also. Any ideas??

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Old 06-25-2013, 04:08 PM   #2
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I guess I should add that it has the 2.5 4 cylinder in it

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Old 06-25-2013, 04:37 PM   #3
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Probably should drain and replace the gas, and possible run one of the cleaners thru the system. Probably would not hurt to hit the throttle body with some cleaner also.
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Old 06-25-2013, 04:43 PM   #4
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Someone else suggested that to me today. My question for that would be why would it only effect the one cylinder?
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Old 06-25-2013, 04:50 PM   #5
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Quote:
Originally Posted by rtg_vt View Post
Someone else suggested that to me today. My question for that would be why would it only effect the one cylinder?
Try swapping the injectors to see if the problem travels. Possible that some crap plugged up the fuel rail.
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Old 06-25-2013, 05:06 PM   #6
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I replaced all of the injectors today and still the same problem. Starting to wonder if its more of an internal problem
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Old 06-25-2013, 05:16 PM   #7
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Pull the # 4 injector and probe the fuel rail for giggles and shitz and do a compression test

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