I HAVE A COLORADO WITH , , 111,000 MILES. iT HAS BEEN KEPT UP, ONLYHAD IT 1 YR
1 YR, LAST SUMMER IT STARTED IDLING ROUGH THEM AT A STOP IT WOULD
JUMP A LITTLE , SO HAD THROTTLE BODY CLEANED, SPARK PLUGS
REPLACED, 2 NEW COILS,AIR FILTER STILL NO CHANGE. WHEN THE ENGINE
LIGHT WOULD COME ON THE CODE SAID, AIR INJECTION VALVE
MALFUNCTION, SO HAD THAT ALL CHECKED OUT. AS WEATHER GOT COOLER
IT STOPPED. NOW ITS BACK AGAIN HAS NO POWER WITH AC ON
ESPECIALLY WHEN ENYERING THE FRWY HAVE TO TURN AC OFF. WHAT IS
GOING ON?