1999 grand cherokee stop running of the engine after 30mints from
I had the 1999 grand cherokee. after 30min from starting it will stop running, i had change battery then i change the spark coill then i change the spark plug but still same broblem not solve, it takes neirly 3 hrs affter stop to start again on this time i do not find ant spark from spark plug can you gaide me what can i do!!!!
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Re: 1999 grand cherokee stop running of the engine after...
You need to change your distributor module . The module gets hot and won't allow it to send spark to the plugs until it cools. Ask a person at your local parts store and they will show you the module and show you how to install it. God Bless Greg
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Sound like a head gasket is leaking. The coolant is leaking from the water jacket through the failed gasket in to the engine crankcase. The "blow back" is caused by the combustion inside the cylinder to leak into the water jacket, pressurizing it. Drain the oil immediately and do not attempt to run the engine until you have the gasket replaced. Water in the oil will destroy the engine beyond repair.
Hi, i have a 1999 jeep grand cherokee, 4.0 litre, had the same problem, quits running out of the blue, driving down the road, or sitting idling. starts right back up or takes some cranking to get it running. found out that the crankshaft position sensor was going bad, cost 40$ for the part, but had to have mechinac replace it due to it's location, hard to get at. jeep runs great now.
Likely the sensor involved is the crank position sensor, next in line would be the cam sensor. You could also have a bad fuel pump or pump relay. Crank sensor is on the bellhousing at about 11 o'clock looking from the rear. It is even with the position of the flywheel. cam sensor is inside or is your distributor, depending upon your system. All are expensive so I recommend that you run some tests outlined in haynes, chiltons or other decent repair manuals before changing anything.