1997 GMC SUBURBAN Engine And Engine Coolingenginegasoline Problems

EVERY TIME DRIVER MAKES A RIGHT HAND TURN ENGINE SPUTTERS LIKE IT WANTS TO STALL, HAS NEVER STALLED. VEHICLE HAS BEEN AT DEALER FOR 30 DAYS, CANNOT FIND PROBLEM.*AK

VEHICLE WOULD STALL OUT AT ANY SPEED, WHICH CAUISED FUEL PUMP TO BURN OUT, VEHICLE WOULD NOT RESTART AFTER THIS INCIDENT. CONSUMER HAD REPL THREE FUEL PUMPS REPLACED, BUT, PROBLEM WAS STILL REOCCURRING. ASKING NHTSA ASSISTANCE IN THIS MATTER. PROVIDE ANY FURTHER INFORMATION ON THIS MATTER.*AK

ENGINE SHUT COMPLETELY WHILE DRIVING ON HIGHWAY/FREEWAY, LOST CONTROL OF BRAKE, STEERING WHEEL AND GEAR. DRIVER WAS ABLE TO STEER INTO SAFETY ALL 3 TIMES. TOOK TO DEALER, 1ST TIME SAID IT WAS "MASS AIR FLOW CONTROLLER" 2 WEEKS LATER THE SAME PROBLEM HAPPENED, THIS TIME DEALER COULD NOT FIND WHAT IS WRONG GUESSING IS FUEL INJECTION PUMP. NEED ASSISTANCE BECAUSE THIS IS A SAFETY ISSUE AND COULD CAUSE INJURY OR DEATH IF HAPPEN AGAIN.

ENGINE SHUTS OFF, ALL WARNING LIGHTS FLICKER. ENGINE SURGE AT 65MPH...FLUCTUATES BETWEEN 65 & 10 MPH CONTINUOUSLY & ALL WARNING LIGHTS FLICKER. DEALER DIAGNOSTICS SAYS NOTHING WRONG. I FEEL IT'S DANGEROUS & LIFE THREATENING. DEALER SERVICE DEPARTMENT NOT TAKING ME SERIOUSLY. PLEASE HELP! *AK

ON APRIL 10, TRANSMISSION FAILED AND VEHICLE WAS RETURNED TO DEALERSHIP. ON APRIL 18, THE VEHICLE WAS RETURNED TO THE OWNER AFTER HAVING REPLACED THE TRANSMISSION, THE TRANSMISSION COOLER, AND INTAKE MANIFOLD GASKET. ON APRIL 27, 2000, THE ENGINE FAILED ON A BUSY ROAD AS SCHOOLS WERE LETTING OUT. THE ENGINE FAILURE, PUT BOTH THE OCCUPANTS OF THE VEHICLE AT RISKS AND THE SCHOOLCHILDREN ALSO, AS THE ENGINE FAILURE RESULTED IN LOSS OF POWER STEERING AND POWER BRAKES. THE DRIVER AVOIDED COLLISION BUT WITH NO STEERING AND LOSS OF BRAKING POWER, THE RESULTS COULD HAVE BEEN CATASTROPHIC. *AK

OVER THE LAST THREE YEARS THERE HAS BEEN STALLING PROBLEM. THIS PROBLEM COULD CAUSE A CRASH.TRUCK HAS BEEN TO THE DEALERSHIP THREE TIMES SINCE OCTOBER, 1999 FOR THIS PROBLEM. DEALER WAS NOT ABLE TO FIND OUT WHATWAS CAUSING THE TRUCK TO STALL. *AK *ML

ONGOING / INTERMITTENT PROBLEM WITH ENGINE STALLING WHILE DRIVING AT HIGHWAY OR SLOW SPEED. ALSO, STALLS WHILE MAKING A TURN/STOP POSITION/REVERSE OR WHILE PARKING. VEHICLE BEEN IN / OUT OF DEALER SHOP ON ELEVEN OCCASIONS, AND PROBLEM IS STILL OCCURRING. *AK

THE VEHICLE HAS CONSUMES OIL AT APPROXIMATELY 1 QUART EVERY 600 MILES,NO LEAKS VISIBLE. THE DEALER WORKED ON THE OIL PROBLEM IN MAY BUT DID NOT FIX IT. ANOTHER PROBLEM IS THAT SINCE THE VEHICLE WAS NEW IT HAS HAD A VIBRATION WHEN SPEEDS APPROACH 50 MILES PER HOUR AND INCREASES WITH MORE SPEED, NEW TIRES, CONTINUOUS BALANCING OF TIRES, DOES NOT HELP.

VEHICLE EXPERIENCES COMPLETE ENGINE FAILURE AT HIGHWAY SPEEDS ON SEVERAL OCCASIONS. MJS

INTERMITTENTLY WHILE DRIVING BELOW 20 MPH, VEHICLE WILL STALL UNEXPECTEDLY, LOSING ALL POWER STEERING/BRAKES. ALSO, MAY LOSE CONTROL OF THE VEHICLE. BEEN TO DEALER. DEALER CANNOT DETERMINE THE PROBLEM. PLEASE PROVIDE FURTHER INFORMATION. *AK

WHILE DRIVING THE SUBURBAN JUST SHUTS OFF WITHOUT WARNING, THIS HAPPENS ON FLAT ROADS AS WELL AS HILLY ROADS, THE DEALER WAS NOT ABLE TO DUPLICATE THE PROBLEM, BUT THE ENTIRE COMPUTER IGNITION AND THE ALTERNATOR WERE REPLACED. HOWEVER, THE TRUCK CONTINUES TO DO THE SAME THING. *AK *JB

THE ENGINE HAS MADE A TAPPING/KNOCKING NOISE ALMOST SINCE NEW. DEALER CANNOT IDENTIFY CAUSE. *AK