98 Cherokee Hard to Start

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03-16-2014, 06:17 AM

CherokeeMichael

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Model: Cherokee

98 Cherokee Hard to Start

My 98 4.0L Cherokee is hard to start when cold. I let it turn over for maybe 4 seconds then quit then try again and it starts after a couple of seconds. However,when it is warmed up it will start immediately. Someone suggested it might be the throttle position sensor? Any ideas?
Mike

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03-16-2014, 06:48 AM

freegdr

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Year: 1989 xj sport 2dr

Model: Cherokee

Engine: 12 hole bosch Injectors

To eliminate unnecessary spending take to auto parts store have the codes read even if lights not on. Intermittent probs will be stored as a soft code . Its free. Then post results....

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03-16-2014, 06:54 AM

RTorrez1

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Year: 1998 Sport

Model: Cherokee

Engine: 4.0

To add to what freegdr said also try the poor man prime. Turn the key on to hear the fuel pump prime. Do Not start it. Do that 2 or 3 time then try to start it. If it starts faster you have one of two problems. Either a bad fuel check valve or a leaking fuel injector. Try that out and let us know if it help.

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03-17-2014, 10:38 AM

CherokeeMichael

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Model: Cherokee

Started Right Up

I tried turning the ignition on three times and then tried to start it and it started right up. How do I pinpoint whether it is the fuel check valve or a bad injector?

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