Tl*the contact owns a 2001 gmc l series. The contact stated that the engine runs very roughly and he smells something burning coming from the engine. The check engine light illuminates often. The dealer stated that the cam shaft sensor needed to be replaced. The current and failure mileages were 84,561.
The worst 2001 GMC L Series problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Engine1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Engine1
Recalls
No recalls on record for this model year.
Technical service bulletins for the 2001 GMC L Series 61
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
- Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles
- GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities
- This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves...
- This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as...
- This service bulletin provides information for dealers/technicians on Service Programming System (SPS)...
- This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake...
- This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil...
- This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License...
- This PI bulletin advises the technician on the proper way to install the pistons in an engine.
What 2001 GMC L Series owners say
Most recent owner complaints, unedited.
Compare the 2001 GMC L Series
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Questions about the 2001 GMC L Series
Is the 2001 GMC L Series reliable?
Owners have filed 1 complaint about the 2001 GMC L Series, fewer than a typical L Series model year.
What is the most common problem with the 2001 GMC L Series?
Engine and cooling, with 1 complaint.
How many recalls does the 2001 GMC L Series have?
No recalls on record.
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