Xj starts but wont keep running
05-02-2012, 09:59 AM
#1
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Model: Cherokee
Xj starts but wont keep running
My buddy Xj wont stay running. He thought it was the fuel pump so he put new one in. Not that. Sence then he changed, map, crank, fuel regulator everything except for the baslist resister .Could it be that? Any thoughts would help thanks
05-02-2012, 10:49 AM
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Year: 1998 Sport
Model: Cherokee
Engine: 4.0
I would start by checking the fuel pressure at the fuel rail with a mechanical gauge also make sure it has a good strong blue spark.
05-02-2012, 11:11 AM
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Year: 1999
Model: Cherokee
Engine: 4.0
If the engine starts but dies a few seconds after releasing the key back to the on position, then yes......the ballast resistor can be the cause.
A simple jumpering of that resistor with a wire will tell the story if it is the cause or not. Jumpering is not an issue as the resistor is only there to reduce noise on the fuel pump circuit. Later models don't even have the ballast resistor.
A simple jumpering of that resistor with a wire will tell the story if it is the cause or not. Jumpering is not an issue as the resistor is only there to reduce noise on the fuel pump circuit. Later models don't even have the ballast resistor.
05-03-2012, 05:37 AM
#7
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That was it! It was the balist resistor .lol 200 bucks in parts and he could of fixed it for nothing lol o well now we have spare parts for offroading thanks guys
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05-03-2012, 06:47 AM
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Year: 1990
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