Vehicle was running fine, backed out of a parking lot, put it in drive, went to go forward and it died. Hasn't run since. Engine turns over but won't start. Have replaced the fuel filter, fuel regulator, and replaced the coils.
EXACT SAME THING HAPPENED TO ME..... try changing the "CRANK POSITION SENSOR" that is a very very common problem with the jeeps. I replaced mine last night and its up and running like before!
hope that helps!
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CarGurusNov 15, 2012 - The engine just fall dead when you step on the gas; it seems to jerk before ... My car does the same thing but i put it in neutral n it starts up. ... I have a 2004 kia optima it jerks when I go into reverse it was driving ... start and run fine butwhen I put it in drive or any other gear it dies! ... 2002 Hyundai Elantra GT.
Could be the ignition switch itself. Under the hood where all the wires go into the fusebox in the cab is a good pkace to start. You need to take the bolt/nut off and pull the box and wires apart. I have seen fuse blocks heavily corroded and cause problems as you are haveing. Also could be the ecm (aka)computer in your car is going bad. You can get a remanufactured one cheap. And it is simple and strait forward
There is a problem in the electrics of the vehicle. First place to start is to check the alternator drive belt for condition and tension. Next place is the battery terminals and condition and tension . Third place is to have a load test done on the battery as it may have an internal short and drawing all the current from the alternator. In effect when you add power requirements ( park lights then brake lights then headlights) you are actually using more current than the alternator can supply to keep the engine system running.
I wouldn't think catalytic converter, without it giving some indication that it was going bad, but without testing it is hard to say.
When it cranks and won't start, check for battery voltage to the coil on the dark green wire, with key ON. If you have power at the coil, it might be a bad coil. If no power to the coil, it could be a Crank Position Sensor or the Cam Position Sensor inside the distributor. If one of those is bad, it can stop the computer from sending power to the coil. Good luck.
It sounds like there is a problem with the Idle Air Control (IAC) valve. Its job is to open and let air into the manifold when the throttle is closed at idle. If it does not open, the engine dies at idle. The IAC is mounted on the throttle body. Possibly the valve is clogged or stuck, in which case it could be ok again if it is removed and cleaned. Or it is broken, and needs to be replaced. Or, there is a problem with its electrical connection, that needs to be traced. Good luck, let me know if you have any questions.