2001 GMC Sierra 1500 HD Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2001 GMC Sierra 1500 HD
Verified by mechanics, reported by drivers like you
Ask a mechanic in our community
Never overpay. Check prices with our estimator
Our experts translate recalls into plain English
2001 GMC Sierra 1500 HD ProblemsCheck Engine Light Due to Gas Cap Issue
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time.
It is common for the fuel level sensor in the fuel tank read the fuel level incorrectly. The sensor must be replaced to correct the condition. Our technicians recommend having the complete fuel pump module replaced on high mileage vehicles.
2001 GMC Sierra 1500 HD QuestionsHard to start (1 answer)
last week new tune up (plugs / wires), new air and fuel filter, new fuel regulator
when i turn on key fuel gauge goes to 55 psi and then drops to 0 psi, but when i turn key the rest of the way to start it starts (sometime i crank for 3 sec and stop then start cranking and it starts) then fuel p...
it could be a security anti theft problem, also put in a new key and ignition
truck has new starter , new battery , all fuses have been checked, but when trying to start vehicle nothing happens , lights on dash come on but engine doesnt do anything, what other things can i check for or what might be the issue