My jeep has developed a problem it will start and run fine for 1/2 hour 1 hour then it stalls sometimes it will re start no problem sometimes it wont start at all!! when its running it runs lovely it then just seems to die! could this be the cps sensor?
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Re: 1996 jeep cherokee 4.0 petrol cuts out
Check out the fuel filters and the fuel pump.
Try checking ignition coil, Magnetic pickup in distributor, or crank/cam sensor if no distributor. Might be fuel pump issue too. Listen for hum when switching on ignition. If no hum, check fuel pump circuit. hope this helps.
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You replace sparkplugs,plug wire,tps,map,cap and rotor.Thats good,If the vehicle runs and you come to a stop and it stalls,That is the IAC (Idle air control) you say it ran fine for a week now its acting up, Service the IAC or get it replaced.
it looks like your engine is having an over rich fuel mixture maybe, thatswhy when you press the pedal to the floor it starts becouse you allow lots of air to help clean the mixture while cranking, also you should have black smoke in the tailpipe until it cleans up and runs fine, i think youre having a leak in one our more injectors you should check them first for proper seal under pressure these is done in an injector test machine, second it may be a defective map sensor these trucks some times have a bad map and dont give a MIL (malfunction indacator lamp) and last but more rare to be is a blocked fuel pressure regulator chek fuel pressure it should be between 38 and 45 psi and it shoul hold these pressure when you turn off the engine if pressure drops fast its injector seal problems or fuel pump check
I OWN A 96 JEEP ALSO, AND I HAD THE SAME PROBLEM. WHAT I DID WAS REPLACED THE BATTERY EVEN THOUGH THE ONE I HAD WAS STARTING AND RUNNING MY JEEP THE HEADLIGHTS WERE DIMMING AND JEEP WAS MISSING. IT HAS BEEN RUNNING FINE FOR THE LAST SIX MONTHS SINCE I CHANGED THE BATTERY. GOOD LUCK!!!