Tech Tip: Cold Temps Set DTC On Some GM Vehicles
Some GM customers may find that their vehicle’s malfunction indicator lamp (MIL) illuminates after starting the vehicle when using the engine coolant heater in very cold ambient temperatures.
Ford Tech Tip: Cackling Powerstroke Injector
Some Ford diesel vehicles with the 7.3L engine may experience a misfire or “cackle.” The injectors in the 7.3L diesel run off of the high-pressure engine oil pump.The #8 injector is the farthest away from the oil pump, causing a filling problem, which may result in a misfire. Ford replaced the #8 injector in some vehicles as needed with a different injector to solve the problem.
2013 VISION Set to Offer Power-Packed Industry Training
Four full days of education cover management, technical and educator topics. Registration for individual courses will be available Feb. 15.
Diagnostic Dilemmas: Multiple Failure Diagnostics On High Mileage Engines
Gary Goms explains that in tough economic times, a driver has no way of knowing how many maintenance-based and component-based failures will accumulate before he or she can afford to have a technician investigate the problem once a Check Engine light comes on.
Phaser-Style Variable Valve Timing System Controls And Operation
Phasers commonly can be found on just the exhaust cam or on both the intake and exhaust cams.
Top Tech: The Sky’s NOT the Limit
When it comes to finding new customers for the shop, Kim Brant looks outside the box.
Tech Tip: Subaru Impreza With DTCs P0705, P0851, P2746, P2750 And/Or No Crank, No Start
If you receive a customer concern of a Check Engine light, AT Temp light or a no engine crank condition, the wiring harnesses to the transmission range sensor (inhibitor switch) should be closely inspected for damage or a short circuit to the CVT transmission case.
Diagnostic Solutions: No-Code Sensor Failures
Import Specialist Contributor Gary Goms takes a look at how to utilize one or more scan tool features to detect an intermittent, no-code sensor failure.
How ‘Sweet’ It Is: Uncovering Unperformed Maintenance
Bob Howlett, owner of The Swedish Solution, Orange Village, OH, shares a vehicle inspection victory that resulted in his customer opting to get her 2004 Volvo XC70 fixed, rather than buy a new vehicle for her daughter.
Tech Tip: Kia Check Engine Light Is On With MAF Sensor Code
Kia Rio’s check engine light is on and there is a mass air flow (MAF) sensor range/performance code in the system. The engine will hesitate at times.
Advances In Electrical System Testing
Contributing writer Mike DuBois returned from the AAPEX and SEMA shows with a host of new information on multimeter and scan tool innovations.
Tech Tip: Hyundai Resetting PCM/TCM Adaptive Values
The PCM or TCM contains logic to adjust solenoid duty and line pressure as needed to compensate for normal clutch wear over the life of the transaxle. This bulletin provides the procedures necessary to reset (erase) and “relearn” the PCM/TCM adaptive values.