I HAVE A 2002 CHEVY TRAILBLAZER. WHEN I PRESS ON THE ACCELERATOR THE VEHICLE WILL LOSE POWER FOR A MOMENT AND REGAIN POWER IN HEAVY TRAFFIC. ALSO, THE SERVICE ENGINE LIGHT WILL COME ON. I TOOK THIS VEHICLE TO A SERVICE CENTER AND THEY SAY THAT THE ENGINE IS RUNNING RICH AND RUNNING LEAN. THE SERVICE CENTER TOLD ME TO USE THE REST OF THE GAS IN MY TANK AND REFILL MY TANK WITH NEW GAS AT A WELL KNOWN GAS STATION. I DID AS THE SERVICE CENTER REQUESTED BY FILLING AT EXXON, BUT THE PROBLEM WITH THE VEHICLE DID NOT CHANGE. THIS VEHICLE HAS BEEN DOING THIS FOR 3 MONTHS WITH 80,000 MILES. I BELIEVE THAT THERE IS A ELECTRICAL ISSUE SOMEWHERE IN MY VEHICLE. *TR
2003
ELECTRICAL SYSTEM
TACHOMETER QUIT WORKING FIRST, THEN SPEEDOMETER. THIS IS AN OBVIOUS SAFETY CONCERN. DEALERSHIP PREVIOUSLY INDICATED IT WILL COST ABOUT $1,000 TO FIX. THERE ARE A LOT OF COMPLAINTS BUT THERE IS NO BULLETIN OR RECALL ON THIS SO GM REFUSES TO DO ANYTHING. A SPEEDOMETER SHOULD NO GO OUT ON A CAR, NO MATTER HOW MANY MILES AND IF IT IS NOT AN ISOLATED INSTANCE, THERE NEEDS TO BE A RECALL. WHY IS THERE A RECALL ON OTHER GM MODELS BUT NOT THE TRAILBLAZER? *TR