Two problems related to engine exhaust system have been reported for the 2001 GMC Jimmy. The most recently reported issues are listed below.
The contact owns a 2001 GMC Jimmy. The contact noticed that the on-board diagnostic system warning indicator would consistently illuminate on the instrument panel. The vehicle frequently misfired, which caused it to be inoperable. The dealer stated that he needed to replace the scpi fuel injector and the mass air flow sensors at the cost of $1,150. He is in the process of having the vehicle repaired. He called the manufacturer in reference to a voluntary recall for the state of California for 1996 to 2001 SUV's, but was not provided any assistance because the recall was not applicable for his state. The current and failure mileages were 72,000.
Vehicle has non-engaging transmission as at times it will not shift though it is an automatic and sometimes it starts out in 2nd and then drops down to 1st. Service engine soon light illuminated on 3 occasions as there were emissions problems. Front end makes constant popping noise. Problem has been lubed on 3 or more occasions as well as coil springs have been replaced and lubed. Brakes went completely out while trying to stop at an intersection. There was a rupture in the brake booster.