Injector pump failure causing the vehicle to just stall when going down the road. It happened to me the last hot weekend this fall. The local dealer took my vehicle & had it for over a week, finally getting a code to show up that allowed them to replace the injector pump. I don't believe that the injector pump was at fault, but instead the pmd electronic control module was failing. This replacement didn't cost me anything, but I think gm should extend the warranty for a much longer period of time because of the known problem. They extended the warranty to 120,000 miles on an engine that is designed to run 200,00+ miles w/proper care. My vehicle has approx. 50,000 miles on it at this time.
1999 GMC Suburban fuel system complaints
Page 2 of 2: complaints 11 to 19 of 19, newest first, as owners wrote them.
For a brand new suburban I don't feel it should be having major part problems. No safety defect listed.
Consumer's car was pulling to right and braking to left. Took to dealer, and and they aligned front end, and did repairs on brakes and knuckles. *ak the steering wheel wobbles when the vehicle comes to a stop. There was wind noise from right side of the vehicle. The engine idles rough due to dirty injectors. The vehicle vibrates at speeds of 80-90 MPH due to bent wheel. The vehicle would not start due to a weak battery. The steering moans when turning due to failure of evo sensor on steering column.
Vehicle has been to dealer 5 times. Fuel injector gets clogged, and vehicle will stall in traffic. Dealer says additives in gasoline clogs injector. *ak the engine stalling resulted in loss of steering power and brake failures. The manufacturer extended the warranty admitting the problem. The consumer finally turned in the vehicle to the manufacturer.
#7 spark plug would fail. Also, changed intake manifold & head gaskets. Problem was not intermittent. Happened all time. Took vehicle to shop for repairs & problem still exists.
While driving down road at an extended amount of time vehicle will shut off. Took to dealer , and they did a program upgrade. Consumer continued to have problem, but dealer couldn't duplicate the problem.
While driving daughter to school, pulled into the parking lot and vehicle stalled, and would not start again. Had vehicle towed to the dealer, and they broke the fuel sending unit. Which they replaced. But, still having problem with vehicle stalling. Engine check light came on and stayed on. They pressurized the tank. Now the gas gauge does read properly.
Vehicle has been in shop 8 times for gas fumes filling the cargo area. Dealer said problem can't be fixed.
Fuel pump has been replaced two times due to loud noises. Also, transmission was replaced because it did not shift gears automatically, rough switch. Abs brakes did not operate properly, causing extended stopping distance. In addition, two tires replaced in the rear due to vibration of vehicle. Dealer contacted, and are attempting to remedy the problems that exist. Provide further information.
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