Fuel Injector Problems of GMC Yukon

Speedometer and braking lights failed without warning while driving. Also vehicle would not shift above 2nd gear. Dealer diagnosed that electronic control module(ecm) was flooded with gasoline due to a defective leaking fuel injector. Dealer recommended that consumer replace all 8 injectors because they are exhibiting the same potential to fail/leak. Harness, cpi fuel, meter, vcm, core return, seal and switch assembly were replaced.

See all problems of the 1999 GMC Yukon 🔎.

The vehicle would stall without warning. Typically, the stall would occur while the vehicle was cold, or during turns at intersections-going from one roadway to another. Dealers response has been a "dirty throttle body," code j5485.

See all problems of the 2000 GMC Yukon 🔎.

While driving about any speed vehicle will stall and lose electrical power and power steering. Had taken vehicle to a technician. Technician told consumer that cause may had been with fuel injector sticking, and had happened four times, just like safety bulletin g99066b, may 2000.

Engine check light appeared, indicating engine misfiring. Dealer explained that it was being caused by fuel injectors clogged up caused by gasoline formula in southern California.

See all problems of the 1997 GMC Yukon 🔎.

Fuel injectors replaced.

See all problems of the 1996 GMC Yukon 🔎.

Fuel injectors failed.