2014 GMC Acadia, Stalls Sometimes, Codes P0689 and P1682

This 2014 GMC Enclave came in with the complaint that the engine would fail to start sometimes and occasionally stall while driving. Multiple warning lights would come on in the dash. I checked codes and found codes P0689 and P1682 stored in the PCM. In researching the codes I found a GM TSB #19-NA-276 I … Continue reading “2014 GMC Acadia, Stalls Sometimes, Codes P0689 and P1682”

2017 Buick Enclave Alternator Stops Charging

This 2017 Buick Enclave came in with the complaints that the a/c would stop and a “message” would appear in the dash. It took a few times checking this problem out for the problem to actually occur. There were no codes stored in the pcm related to the charging system. There were however low voltage … Continue reading “2017 Buick Enclave Alternator Stops Charging”

2007 Chevrolet Tahoe, No Crank Condition

This 2007 Chevrolet Tahoe was towed in with the complaint that the engine stopped running after running over a bump in the road. I checked codes and data and found codes B1370, B1380, B1395, B1517, B1529 and P0615 stored amongst other but these all related to the no crank condition. They are generally associated with … Continue reading “2007 Chevrolet Tahoe, No Crank Condition”

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”

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”

2008 Chevrolet Cobalt-Blower Not Working

This 2008 Chevrolet Cobalt Came in with the complaint that the blower did not work. Customer also stated that they had been smelling something “hot” for a “little while”. Removing the HVAC control panel is fairly easy. Open the glove box and pull the right trim piece off of the dash. You may need something … Continue reading “2008 Chevrolet Cobalt-Blower Not Working”

2003 Chevrolet Express Van-No Crank Condition

This 2003 Chevrolet Express 2500 van with the 5.3 liter engine was towed into my shop as a no crank condition (starter does not work). There were two problems found. The IGN A fuse was blown in the underhood fuse box and the starter was no good. The starter had been replaced the day before … Continue reading “2003 Chevrolet Express Van-No Crank Condition”

2011 Chevrolet Impala-Fuel Pump Not Working

This 2011 Chevrolet Impala came in after the fuel pump and fuel pump relay had been replaced and there was still no fuel pressure. I was told by the customer that the computer must be bad and it was brought to me because programming would be needed. Proper testing could have prevented replacing parts that were … Continue reading “2011 Chevrolet Impala-Fuel Pump Not Working”