Absolute Car Care - Job 130669

Technician:
Concern:	CUSTOMER STATES, THE VEHICLE HAS A LOUD KNOCKING NOISE. PLEASE CHECK AND ADVISE. TECHNICIAN NOTES, WE NEVER HEARD A KNOCKING NOISE WHILE RUNNING THE VEHICLE. HOWEVER THERE IS A LARGE VIBRATION IN THE ENGINE, THE ENGINE STUMBLES AND RUNS VERY ROUGH, AND THERE IS WHITE SMOKE COMING OUT OF THE TAIL PIPE. TECHNICIAN STATES, WE STARTED BY SHUTTING OFF THE CNG SYSTEM AT THE TANK ITS SELF AND SOME OF THE WHITE SMOKE CLEARED OUT AND THE ENGINE WASN'T RUNNING AS ROUGH BUT THE VIBRATION WAS STILL PRESENT. WE CHECKED BALANCE RATES ON THE INJECTORS TO INSURE IT IS GETTING THE PROPER AMOUNT OF FUEL AND EVERYTHING IS WITHIN SPEC. TECHNICIAN CHANGED THE HARMONIC BALANCER TO SEE IF THAT CHANGED THE VIBRATION ON THE ENGINE AT ALL AND IT HAD NO AFFECT ON THE PERFORMANCE. TECHNICIAN THEN RAN THE TRUCK ON AN ALTERNATIVE FUEL (BYPASS THE FUEL TANK AND PUT THE INTAKE TUBE INTO A FUEL TANK) AND IT STARTED RUNNING MUCH BETTER AND EVENTUALLY CLEARED OUT THE WHITE SMOKE AND STARTED RUNNING NORMAL. DUE TO THE BAD FUEL THE WARRANTY ON THE INJECTORS IS NOW VOIDED UNLESS WE ARE ABLE TO DROP THE FUEL TANK, GET RID OF THE BAD FUEL AND FLUSH OUT THE FUEL LINES, AND CHANGE ALL OF THE FUEL FILTERS. THEN DRIVE THE VEHICLE OVER 100 MILES WITHOUT AN INJECTOR FAILURE.
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Repair:
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Parts and Labor

Description	Quantity	List	Total	Delete?
LABOR	2.00	$99.93	$199.86	X
Total			$199.86