The worst 1991 GMC B6 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
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Recalls 1
Vehicle speed control
- What is wrong
- A manufacturing condition in the throttle body injector (tbi) unit might occur to allow the throttle cam lever to disengage from the throttle drive shaft.
- Risk
- If the throttle cam lever disengages from the throttledrive shaft, the engine could go to wide open throttle without prior warning.this loss of vehicle accelerator control could result in a vehicle crash.
- Remedy
- Replace the throttle drive cover assembly.
Recall number 92V187000 · Recall details
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Questions about the 1991 GMC B6
Is the 1991 GMC B6 reliable?
Owners have filed 0 complaints about the 1991 GMC B6.
What is the most common problem with the 1991 GMC B6?
There are not enough complaints to tell.
How many recalls does the 1991 GMC B6 have?
1 recall, covering vehicle speed control.
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