ROUGH IDLE SOMETIMES
#1
ROUGH IDLE SOMETIMES
2003 DURAMAX 4X4 2500HD HAS RECENTLY STARTED IDLING ROUGH WITH LITTLE WHITE SMOKE AFTER ENGINE WARMED UP. CAN SHUT ENGINE OFF AND START BACK UP AND IDLES FINE THEN IN FEW MIN. STARTS IDLING ROUGH AGAIN. HAVE EDGE TUNER INSTALLED FOR TOWING. WHEM CHECKING INJECTOR BALANCE TUNER SHOWS THE BALANCE BUT WHEN IDLES ROUGH THE BALANCE OF ALL INJECTORS GO TO ZERO AND STAYS THAT WAY WHILE IDLING ROUGH BUT WHEN IDLES SMOOTH TUNER SHOW THE BALANCE OF ALL INJECTORS.
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