Its like it a wire is loose but i checked everything and cant figure it out.. it seems to do it more when i turn or if im on a hill
Hi Derek, have you tried to drive when the radio is off and if so what happens then. If what you describe only happens when the radio is on, I would suspect that there is a short somewhere in the wiring of the radio, which when it occurs is shorting out the ignition system. The problem on your vehicle could be very dangerous so please attend to it urgently. Regards John
SOURCE: 98 gmc jimmy loses power to a stop
the fuel pump could actually be malfunctioning. and the reason that you are able to restart and drive again is because when you turn the key on it is allowing the fuel pump to pressureize your system. but while the fuel pump is continuasly running it is loosing the fuel pressure. this is common on the cheap fuel pumps. i am not sure about were you got the fuel pump from but in all of my experiances with this problem i find that the fuel pumps have been boughten at a napa store.
i hope this helps you out.
and you could attach a fuel pressure gauge on to the fuel rail and start the car and watch the pressure to see if it is droping.
SOURCE: 1999 GMC Suburban. no sound from radio
there is a plug at the back of the radio connecting it to the vehicle wiring loom. If you can get at thes plug, either from below or by removing the radio unit, make sure the plug is tight and secure. I can't think that the amp has gone or you would have lost all sound, so this is more than likely the problem.
SOURCE: Correct fuel pressure on the 5.7 in my 1999 gmc 3500 van?
Check the TPS. If you code the ECU there might be a P121 stored in the OBD2 port. If tere is no code the a cloged converter will be your best bet.
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