2005 GMC YUKON XL Engine Problems

THIS VEHICLE HAS BEEN IN AND OUT OF THE SHOP SEVERAL TIMES FOR THE SAME REASON, "REDUCED ENGINE POWER". IT PUTS ME IN A DANGEROUS POSITION SOMETIMES BECAUSE THE VEHICLE WILL SUDDENLY GO INTO THIS "LIMP MODE" I HAVE SPENT SEVERAL THOUSAND DOLLARS IN REPAIRS AND FIXES BY QUALIFIED MECHANICS AND YET THIS PROBLEM WILL NOT GO AWAY. AFTER MUCH RESEARCH I FIND THAT I AMONG MANY PEOPLE WITH THE SAME PROBLEM. IT HAPPENED THREE TIMES YESTERDAY!

GETTING GAS AND IT KEEPS CLICKING, *TR

AFTER GETTING FULL TUNE UP MY ENGINE STARTS TICKING WHEN I START MY MY CAR AFTER A WHILE OF DRIVING THE TICKING STOPS CAR STALLS WHILE DRIVING AND CHECK ENGINE BLINKS ON AND OFF . ALREADY CHANGED COILS FROM INSTRUCTED READ STILL GET STALLING. BRAKE BOOSTER LIGHT IS ON AND I HAVE A FUEL SMELL THAT COMES AND GOES WHILE DRIVING

WHILE DRIVING I HEAR A WINDING SOUND COMING FROM WHEEL AREA WHILE DRIVING I SMELL FUEL THAT COMES AND GOES RECENTLY HAD FULL TUNE UP NOW CAR STARTS TO TICK AFTER A WHILE OF DRIVING OR EVEN PRESSING ON GAS WHILE IN PARK IT STOPS WHILE DRIVING CAR STALLS AND INDICATES COIL IS BAD FROM CHECK ENGINE LIGHT BEING ON I HAD CHANGED COILS AND CAR STILL STALLS

AT 70 MPH ON A FREEWAY, REDUCED ENGINE POWER MESSAGE CAME ON AND VEHICLE LOST POWER SLOWING TO 20MPH. DANGEROUS WITH ALL THE TRAFFIC AROUND.

A BOLT HEAD FOR THE EXHAUST MANIFOLD BROKE OFF AND IS CAUSING EMISSION PROBLEMS. *TR

TL* THE CONTACT OWNS A 2005 GMC YUKON XL. THE CONTACT STATED THAT THERE WAS A FLAPPING NOISE THAT CAME FROM THE EXHAUST. THERE WERE EXHAUST FUMES INSIDE THE CABIN OF THE VEHICLE AS WELL. THE VEHICLE WAS TAKEN TO THE DEALER, WHERE THEY DETERMINED THAT THE MANIFOLD BOLTS WERE CORRODED FRACTURED. THE FAILURE HAD ALSO OCCURRED IN THE PAST. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 67,000. THE CURRENT MILEAGE WAS 69,000.