2001 GMC Sierra 4x4. When running at low speed and between 1000 to 1500 rpm, my truck surges up and down. (Fuel System GMC Sierra 1500 Engine Hesitation)

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Question Details Asked:Apr 18, 2012 - 01:46 PMStatus:Closed

jaycmac1964	2001 GMC Sierra 4x4. When running at low speed and between 1000 to 1500 rpm, my truck surges up and down. 2001 GMC Sierra 1500 4x4. When running at low speeds 30 to 40 mph or when between 1000 to 1500 rpm my truck surges up and down. As long as it is over 1500 rpm there is no surging. What can I check or do to fix this problem?
	In Maintenance & Repair > Fuel System In Makes & Models > GMC > Sierra 1500 In Maintenance & Repair > Engine > Hesitation 1 answer - 397 days ago
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mr_shiftright 04/18/12 9:02 pm PST

well you could change out the fuel filter and also get the proper cleaner to clean up the throttle body assembly---this might help.

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