Without testing hard to say . Do you know anything about automotive electrical systems , OBD 2 engine management system ? IAC - idle air control ? What engine sensor data is ? Hooking up a professional type scanner , reading DTC'S etc.... How to test electrical circuits using a DVOM - digital volt ohm meter ?
007 Idle Speed Problems Scan Data for Idle
SOURCE: 2005 g6 stalling
I would suggest checking your wiring (core wire on the distributor, plug wires and the negative battery ground) I would imagine that the forward motion of the vehicle is possibly making your wires lose connectivity and making the car stall. Just a thought though.
Carl
SOURCE: Car not starting or even turning over.
ck neutral safety swtch on steering column, above brake pedal
SOURCE: 89 Pontiac Sunbird stalls everytime I press the brake w/Lights on
Per your observations, I would suggest you check the fuel pump harness ground connection to the body. It should be located in the rear of the car and will have a several black wires with it screwed into the body.
I believe you are having a feed back problem caused by a loose or damaged ground connection.
You can also look at the fuel pump harness at the tank, find the black wire for the fuel pump ground, solder in a new ground wire and run it to the frame rail and screw it down. That will give you a good ground and the problem will go away.
Good luck and let me know how it goes.
Regards,
SOURCE: 1996 pontiac grand am steering wheel is locked
Probably not. That's just the interlock between the ignition switch and the steering. **** the steering wheel very hard to one side or the other as you turn the key. It's more common than you might think and all car are guilty of it.
SOURCE: service engine light blinking smell sulfar
tuneup either u have a bad plug wire or a bad plug sometimes the coil pac could be breaking down but im leaning toward tuneup.
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