2004 Ford F250 5.4 Liter, Engine Stalls, Code P0231

This 2004 Ford F250 with a 5.4 liter gas engine came in with the complaint that the engine would occasionally stall. Testing found a code P0231 stored which indicates a problem with voltage to the fuel pump. Studying a wiring diagram showed several things. Number one is that when the fuel pump relay is engaged … Continue reading “2004 Ford F250 5.4 Liter, Engine Stalls, Code P0231”

2013 Hyundai Tuscon, Blower Does Not Work

This 2013 Hyundai Tuscon came in with the complaint that the blower did not work. A little bit of testing found that the blower did work on speed number one. Also the a/c led would light up when the switch was pushed on and the blower speed was set to one. The light would go … Continue reading “2013 Hyundai Tuscon, Blower Does Not Work”

2005 Ford F150-Turn Signals Inop with Headlights or A/C On

This 2005 Ford F150 came in with the complaint that the turn signals would stop working whenever the headlights were turned on. The customer also stated that the a/c did not work. Inspection found that the turn signal indicators in the instrument cluster would would come on at about half brightness when ever the lights … Continue reading “2005 Ford F150-Turn Signals Inop with Headlights or A/C On”

2010 Ford Explorer-No Crank Condition- Fuse #8 and Otis Diode Blown

This 2010 Ford Explorer with a 4.o liter engine was towed in with the complaint that the engine would not crank. The vehicle owner had found that the fuse #8 in the interior fuse box was blown and the Otis or starting diode in the underhood fuse box had melted. It took some effort to … Continue reading “2010 Ford Explorer-No Crank Condition- Fuse #8 and Otis Diode Blown”

2008 Chevrolet HHR-Reduced Power-Code P0641

This 2008 Chevrolet HHR came in with the complaint that the check engine light would come on, the reduced power message would display and the car would no longer accelerate. There was a code P0641 stored. The code p0641 means that the 5 volt reference is outside of the 4.8 to 5.2 voltage range needed … Continue reading “2008 Chevrolet HHR-Reduced Power-Code P0641”

2006 Chevrolet Silverado-Driver’s Temperature Door Erratic

This 2006 Chevrolet Silverado came in with the complaint that the driver’s temperature door would shift between heat and a/c without the controls being adjusted. The actuator had been replaced with a quality ACDelco part. Testing found that the actuator counts on the scan tool would fluctuate when the actuator harness was wiggled around slightly. … Continue reading “2006 Chevrolet Silverado-Driver’s Temperature Door Erratic”

2002 Ford F150-Dome Light Glows

This 2002 Ford F150 Super crew pickup came in with the compliant that the dome light would glow and the rear reading lights were always about half bright. If they were manually turned on they worked normally. The glowing/half bright condition was present with the ignition on or for about an hour after the ignition … Continue reading “2002 Ford F150-Dome Light Glows”

2013 Dodge Charger-A/C Compressor Not Working

This 2013 Dodge Charger came in from a body shop to have the a/c serviced after the front clip was replaced. That service went fine and there were no problems until the car was being picked up. All of the data looked fine but the compressor was not coming on even though the data showed … Continue reading “2013 Dodge Charger-A/C Compressor Not Working”

2009 GMC Yukon-Power Lift Gate Not Working

This 2009 GMC Yukon came in with the complaint that the power liftgate did not work and that the rear outside switch has already been replaced. It is the most common failure point in the system but not this time. Starting from scratch I checked the fuses and found that fuse #71 was blow. It … Continue reading “2009 GMC Yukon-Power Lift Gate Not Working”

1995 Chevrolet Caprice-Engine Stalls

This 1995 Chevrolet Caprice came in with the complaint that the engine would stall if the headlights were turned on or if the brake pedal was depressed.  The problem was also intermittent. The strange  thing was that it would feel like the engine was  running out of fuel rather than just an instant turn off.  … Continue reading “1995 Chevrolet Caprice-Engine Stalls”