1994 GMC JIMMY Engine And Engine Coolingenginegasoline Problems

VEHICLE RUNS ROUGH, BRAKE PEDAL IS HARD, AND ENGINE SHUTS OFF. EGR VALVE HAS BEEN REPLACED THREE TIMES. *AK *JB

INTERMITTENTLY VEHICLE WILL STALL OUT AND DIE WITHOUT WARNING WHEN SLOWING DOWN. IT HAS BEEN DETERMINED THAT EGR VALVUE IS DEFECTIVE. *AK CONSUMER ALSO STATES BRAKES FAIL THEY BECOME VERY HARD TO STOP AND CONTROL VEHICLE. THE ENGINE SURGES, CHECH ENGINE LIGHT COMES ON WHEN SLOWING DOWN OR STOPPING, ENGINE STALLS LOSSES POWER STEERING AND BRAKES BECOME HARD WHEN YOU PRESS DOWN.*JB

EGR VALVE HAS FAILED FOUR TIMES, VALVE FAILS ON ACCELERATION. CONTACTED DEALER, AND DEALER WAS NOT WILLING TO DO ANYTHING.*AK CONSUMER ALSO HAD TRANSMISSION REPLACED IT WAS NOISY,ALSO BRAKES WERE INEFFECTVE, IT WAS DETERMINED THAT REAR WHEEL CYLINDERS WERE LEAKING AND EXCESS BUILD UP OF BRAKE DUST, MECHANIC RECOMMENDED THAT VEHICLE NOT BE DRIVEN DUE TO BOTH REAR WHEEL CYLINDERS ARE LEAKING, ALSO WHEN VEHICLE IS WARMED UP, AND THE LONGER ITS DRIVEN VEHICLE HESITATES AND STALLS, SERVICE ENGINE LIGHT COMES ON,ALSO RADIATOR LOW ON COOLANT INSPECTION FOUND THAT HOSE CLAMP AT THERMOMETER HOUSING LOOSE CAUSING LEAK, CLAMP WAS TIGHTENED.*JB

VEHICLE WAS ACCELERATING TO PASS A SLOWER VEHICLE ON A HILL. THE THROTTLE BECAME JAMMED IN A FULL OPEN POSITION CAUSING THE VEHICLE TO CONTINUE TO ACCELERATE IN TRAFFIC . THE DRIVER IN AN ATTEMPT TO REGAIN CONTROL OF THE VEHICLE SHIFTED INTO NEUTRAL RESULTING IN THE ENGINE OVER REVING. THE ENGINE DEVELOPED A KNOCK WHICH WAS LATER DIAGNOSED AS A FAILED CONNECTOR BEARING. UPON INVESTIGATION AS TO CAUSE OF THE JAMMED THROTTLE VALVE IT WAS DISCOVERED THAT A HEAT SENSOR (IN THE RUBBER BOOT BETWEEN THE AIR FILTER AND THE AIR INTAKE MANIFOLD) HAD DROPPED ONTO THE TOP OF THE ENGINE INSUCH A WAY AS TO CAUSE THE THROTTLE VALVE CAM TO JAM IN A FULL OPEN POSITION. THIS FAILURE RESULTED IN THE ENGINE BEING RUINED AND REPLACED AT A COST OF $2700 PLUS TAX.*AK

WAS DRIVING VEHICLE WHEN OIL PRESSURE LIGHT WENT OUT. ENGINE STARTED KNOCKING. TOOK TO INDEPENDENT MECHANIC, AND INFORMED CONSUMER OF ENGINE TROUBLE. OIL PAN SHOWED NO SIGNS OF OIL. PAINT HAD PEELED OFF OIL PAN AND CLOGGED INTAKE MANIFOLD. CONTACTED MANUFACTURER , AND REPRESENTATIVE SENT OUT TO CHECK OIL PAN. AT FIRST INDICATED WOULD HELP WITH REPAIRS. LATER, INFORMED CONSUMER ENGINE WAS TOO OLD, AND WOULD NOT HELP WITH REPAIRS. *AK *SLC

ENGINE OIL GAUGE DID NOT REGISTER NO OIL PRESSURE. ENGINE FAILED REQUIRING COMPLETE REBUILD. *AK

WHEN STARTING THE VEHICLE HEARD A KNOCKING NOISE. OIL PRESSURE GAUGE INDICATES THAT THERE IS ADEQUATE OIL IN THE VEHICLE. HOWEVER, WHEN THE VEHICLE SITS OVERNIGHT ALL THE OIL DRAINS OUT OF THE ENGINE. KNOCKING NOISE IS ALSO HEARD ON WARM ENGINE STARTS. *AK

WHILE DRIVING AT HIGH SPEED 60MPH THE ENGINE CHECK LIGHT COMES ON. THEN THE VEHICLE LOSES POWER STEERING AND BRAKES COMPLETELY. THIS IS THE FOURTH TIME IT HAPPENED. *AK *SLC

CONSUMER WAS DRIVING THE VEHICLE AND THE ENGINE CAUGHT FIRE. TT