Question about 1997 Jeep Grand Cherokee
A year ago when i would first shut off the jeep awhile later id try and start it up,it acted like it wanted to start but wouldent turn over,i would sit and wait ten minutes then it would start right up eventually we had problems with it turning over at all we replaced a bunch of parts but not the fuel filters a mecanic told us thats not it,now every other time i drive it it cuts out bad,after awhile it stops what could this problem be.
The parts which determine whether or not a vehicle "turns over" are the battery, starter and alternator (if there is one). The fuel pump has nothing at all whatever to do with that. As for the "cutting out", that could be a fuel pump or even a fuel filter problem. Could also be the carb or deterioration in the gas tank. Good luck. . .
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Posted on Jan 02, 2017
when a cherokee have trouble starting i always go to the crank sensor first it on top of trasmission you crank the motor on the fly wheel you have accumulation of rust and before the crank sensor notice the engine turning it take a long time me i remove the crank sen sor visualy check if it crank i change it and i used some abrasiv sand paper or something like that i ask somebody to crank the engine i put the sand paper in the hole of crank sensor when the engine turn sand paper clean the flyweel be carefull for our finger after install the sensor and try it out good luck pierre
Posted on Jun 24, 2008
Since you've replaced many of the usual suspects (fuel pump etc.) you might want to look into testing or simply replacing the crankshaft position sensor or the camshaft position sensor. If you intermittently lose one the these signals it would cause the problem you describe.
Posted on Feb 05, 2009
the crankshaft position sensor controls spark and if faulty would give the symptons you have described you need to get this checked first
Posted on Jun 22, 2009
SOURCE: 1991 Jeep Fuel Control Issue
Who ever thought of putting an electric fuel pump inside a tank of gas........
Check your other gauges for accuracy. They do that when a ground is loose.
Check the wiring from the fuel tank along the longitudinal frame for frays and shorts. Plugs are secured.
Under the hood, passenger side, check the fuel pump relay. Switch it with one of the others to test it.
Bring the vehicle to an auto parts store. Ask them to break out he code reader. Check for diag codes
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Posted on Aug 26, 2009
Could be one of several items...I'd check the fuel pump relay, auto shutdown relay and the ignition switch itself. I'd bet on it being one of those relays but, we all have been fooled at least once!!! I'd also make sure that body and engine grounding is good and clean. Relays can't work properly without a good ground.
Posted on Nov 03, 2009
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