TRUCK WAS BROUGHT IN FOR CHECK ENGINE LIGHT, MISFIRE AND NO OVERDRIVE,CUSTOMER STATES ALL HAPPENED AT THE SAME TIME. FOUND TRUCK TO HAVE BAD MISFIRE,NO SPARK ON CYLINDERS 2 & 6. HAS NO GROUND SIGNAL FOR THIS CIRCUIT @ COIL. CHECK FOR SIGNAL AT CONTROL MODULE, ...

FIX posted 11/28/2007

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