Absolute Car Care - Job 129517

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Job #129517 for (Tyler Matthews)
2006 GMC TOPKICK C5500
Invoice #23110

Technician:
Concern:	CUSTOMER STATES THE ENGINE WILL INTERMITTENTLY LOSE ALL POWER WHEN ACCELERATING, PLEASE CHECK AND ADVISE. NEW INJECTORS, NEW CP3 PUMP, AND A FUEL RAIL PLUG HAVE RECENTLY BEEN INSTALLED. TECHNICIAN CHECKED AND FOUND THE HIGH PRESSURE TO STILL BE DROPPING OFF WHEN COMMANDED TO FULL. TECHNICIAN PERFORMED A HIGH PRESSURE SYSTEM DIAGNOSIS AND FOUND THERE TO BE EXCESSIVE PRESSURE COMING THROUGH THE PRESSURE RELIEF HOSE WHEN RAMPED UP. TECHNICIAN NOTED A RACE PLUG HAS BEEN INSTALLED BY THE CUSTOMER PRIOR AND THERE SHOULD BE NO FUEL PRESENT AT ANY TIME ON THIS HOSE. TECHNICIAN REMOVED RACE PLUG AND FOUND IT TO BE OK VISUALLY AND THE JUNCTION IT GOES INTO LOOKS TO BE OK AS WELL. TECHNICIAN FOUND THE RACE PLUG CAN BE FLAWED DUE TO THE VARIATIONS IN EACH TRUCK AND AN ADDED PRESSURE SEAL CAN BE ADDED TO ENSURE PROPER SEAT OF THE PLUG. TECHNICIAN INSTALLED AND FOUND THERE IS NOW NO PRESSURE ON THE HOSE WHEN PRESSURE IS RAMPED UP. TECHNICIAN CONTINUED DIAGNOSIS TO FIND THERE IS FUEL LEAKING FROM THE RETURN LINE ON THE DRIVERS SIDE FUEL RAIL. PLEASE REPLACE RETURN HOSE SECTION ALONG WITH NEW CLAMPS. TECHNICIAN RE CHECKED AFTER PERFORMING REPAIRS AND FOUND THE FUEL TO BE REACHING ITS MAXIMUM DESIRED PRESSURE AND ALL THE INJECTORS ARE SHOWING WITHIN SPECIFICATION. TECHNICIAN ROAD TESTED THE VEHICLE TO FIND THERE WAS LOW BOOST AND LOTS OF SMOKE FOR THE FIRST FEW MILES AND THEN THE TRUCK CLEARED OUT AND SEEMED TO RE GAIN POWER AND IS NOW CREATING BOOST AND DRIVING WITH EXPECTED POWER AND FUEL SYSTEM IS OPERATING AS DESIGNED. TECHNICIAN BELIEVES THE LACK OF BOOST AND EXCESSIVE BLACK SMOKE DURING THE FIRST PART OF THE INITIAL TEST DRIVE COULD BE A RESULT OF STICKY TURBO VEINS. TECHNICIAN ALSO NOTED THERE WERE OTHER SENSOR PARAMETERS THAT WERE NOT IN LINE WITH SPECIFICATION. THIS LEAD TECHNICIAN TO QUESTION THE CUSTOM ENGINE TUNING THAT HAD PREVIOUSLY BEEN INSTALLED BY ANOTHER SHOP. TECHNICIAN WAS UNABLE TO VIEW THE FILE FLASHED INTO THE ECM BUT BELIEVED THE ISSUE WAS RELATED. TECHNICIAN RECOMMENDS INSTALL A NEW ENGINE TUNE THROUGH SSS DIESEL AND RE CHECK. AFTER HAVING TUNE INSTALLED TECHNICIAN TEST DROVE AND FOUND THE ENGINE IS NOW OPERATING AS DESIGNED.
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Repair:
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Parts and Labor

Description	Quantity	List	Total	Delete?
RETURN HOSE	1.00	$55.16	$55.16	X
CLAMP	2.00	$1.58	$3.16	X
DIAGNOSIS/LABOR	4.00	$103.74	$414.96	X
Total			$473.28

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