Question about 1996 Jeep Grand Cherokee

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HAVE TO WAIT FOR FUEL PUMP TO GET PRIMED BEFORE THE ENGINE WILL START

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Most pumps have a built in anti-drainback valve in them if it fails, it will act like that. I'm still looking for someone that makes an inline filter with that feature. Seems a more logical cure than replacing the entire pump, but so far, that's the only cure aside from living with it as is.
If you get a puff of black smoke from the pipe, you may have an injector that is leaking down and giving you the same problem. In that case, replace the injector.

Posted on May 14, 2010

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Posted on Jan 02, 2017

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