Hesitates on acceleration

Tiny
CHUCK 1958
  • MEMBER
  • 1990 CHEVROLET 2500
  • 5.0L
  • V8
  • 2WD
  • AUTOMATIC
  • 88,000 MILES
Truck hesitates on acceleration, struggles going up hills lacks power when loaded.
Thursday, April 25th, 2019 AT 10:41 AM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Hi Chuck,

Have you done anything to address it? Meaning have you tried to replace any parts? If you have, that can help us narrow it down.

Otherwise, the first thing I would go to is fuel. Is it getting the proper amount of fuel to supply the power needed? Here is a resource that helps go through the basics of a hesitation. Give this a read and let me know what you think. However, the most important thing I would be interested in is if you can get a fuel pressure reading while you are driving it. I attached the process for gaining access to take the reading. Then just tape your gauge to the windshield because they are usually not long enough to reach into the cab.

Let me know what you find and we can go from there. Thanks

https://www.2carpros.com/articles/engine-hesitates
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Friday, April 26th, 2019 AT 1:54 PM

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