Question about 2000 GMC New Sierra 1500

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My truck is a 2000 gmc half-ton. it just quit running while i was going to work. never have had any problems with it.it has fuel pressure and thecoil is working. everyone says to change the control mod.,i ust need to get it right the first time,we live on a very fixed income.

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I have a 1998 gmc SONOMA sls. I have put a ton of work into. I've had it a year, and has not ran good but only once. It has a new battery, waterpump, air intake sencor, idle control sencor, the sencor...


Lots of black smoke in the back i had a few problem like that it was the spider in the intake there a central injection system in it its 6 plastic pipe that goes to the cylinder 1 per cylinder 1 or 2 pipe crack and spray gas in the intake your oil must smeel like gas even if its not old let me no after that your car gonna run like new its not a cheap part but you got no choise thats for the question james

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My problem with my GMC 1500 is fuel problem, when I was driving suddenly it stopped working like u run out of gas. I know there was still gas in the tank. I have disconnected the fuel filter and on both...


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2 Answers

1998 gmc 4.3 starts up but loses power 3-5 mins later,will restart and run again for another short time,fuel filter has just been replaced.


Install a pressure gauge, start and run 3-5 minutes and watch the pressure. You should see the pressure maintain as it did when first started. If it begins to drop, the fuel pump has gotten weak and is starting to fail.
Let me know what you find.
Regards.

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2 Answers

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