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What causes a GMC 2500 to die in a few seconds?

What causes a GMC 2500 to die in a few seconds?

Just diagnosed a gmc 2500 with a similar problem. Good fuel pressure, starts, runs for about 7 seconds, dies after a sudden drop in fuel pressure. I ruled out the fuel pressure regulator by clamping off the return line.

Why does my Car start then die in a few seconds?

CELS kept pointing to the coils, after 3 sets I figured that was not the problem. Check with spark tester, coils, wires and plugs all good. Map and Mat good, and finally accepted it must be the PCM. The car run good in the heat, and terrible in cooler wet weather.

Why did my fuel pump die while driving?

Sounds fuel pumpy. i was on my way home tonight and it did it again randomly. im almost certain from researching that its my fuel pump cause once it starts to die i tried flooring it and it did nothing. is there anyway i can check to make sure its the fuel pump before i fork out almost 200 on a new one and come to find out thats not the problem?

How long does it take for a car to die after turning over?

It turns over and dies within a second or two. If keep trying to crank it, it eventually stops turning over. When it does turn over, if I mash the gas pedal, it runs for about an extra second or so, but still dies. 34 people found this helpful.

Just diagnosed a gmc 2500 with a similar problem. Good fuel pressure, starts, runs for about 7 seconds, dies after a sudden drop in fuel pressure. I ruled out the fuel pressure regulator by clamping off the return line.

Can a fuel pump failure cause a car to die?

The owner had said that it died on him a few weeks earlier and didn’t think anything of it. So it sounds like the relays can have intermittent problems or complete failure. Though in your case, bad ground is possible but the fact that it cranks most of the time makes me think it could be a relay. 3) Fuel pump failure.

What causes a car to start and then die?

Good fuel pressure, starts, runs for about 7 seconds, dies after a sudden drop in fuel pressure. I ruled out the fuel pressure regulator by clamping off the return line. Confirmed it was a problem with fuel delivery and not with spark/ignition by spraying starting fluid into the throttle body after the engine was started.

Why does my Ford F250 die at stop sign?

Go about a 1/4 mile and at a stop sign started to idle rough again and then died. Could not get to restart other than a slight bump to about 200 rpm then immediately died. I have a bully dog tuner for my ford f250 I used to read codes and only thing that came up was a p1000 and p1237 which is low turbo.

The owner had said that it died on him a few weeks earlier and didn’t think anything of it. So it sounds like the relays can have intermittent problems or complete failure. Though in your case, bad ground is possible but the fact that it cranks most of the time makes me think it could be a relay. 3) Fuel pump failure.

Good fuel pressure, starts, runs for about 7 seconds, dies after a sudden drop in fuel pressure. I ruled out the fuel pressure regulator by clamping off the return line. Confirmed it was a problem with fuel delivery and not with spark/ignition by spraying starting fluid into the throttle body after the engine was started.

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Ruth Doyle