1990 transport troubleshooting help needed

Asked by Jan 11, 2008 at 10:44 PM about the 1995 Pontiac Trans Sport

Question type: Maintenance & Repair

The van ran sometimes but would start bogging out even at high speeds. Sometimes you could feather it out with gas. If you shut down for about 3 minutes it would work again. Now, it turns over but does not start.

4 Answers

7,745

have you checked your coil pack? My 3.1's and 3800's have had simalier issue and this was the solutions, plus I did a complete tune up. The other thing is you might have a fuel pump issue, When you turn the key (but dont start it) can you hear a humm from the fuel (rear)tank? hope this helps.

I WOULD TRY REPLACING FUEL FILTER AND THROUTLE POSITION SCENSOR

1 people found this helpful.
49,155

Yes, check coil and tune-up, throttle position sensor, and fuel pressure. These are excellent starting points for your problem.

1 people found this helpful.

Had same problem on mine,disconnected coolant sensor while running and bingo no more missfire.Was a strange find but thought I"d share.

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