2005 GMC Sierra, Multiple Misfires
This 2005 GMC Sierra came in with a poor run condition and multiple misfire codes stored. Code P0304 was one of the misfire codes stored. While looking at data I noted that misfires on cylinder #4...
View Article2004 Chevrolet Silverado, Changing The Mode Actuator
This 2004 Chevrolet Silverado came in with the complaint that the air only blows through the defrost and will not blow out of any other location. There were codes B0263 and B3770 stored in the HVAC...
View Article2006 GMC Yukon, P0449
This 2006 GMC Yukon came in with the Service Engine Soon (SES) light on and a code P0449 stored in the PCM memory. This test should be done on the vehicle but I could not figure a way to o the test...
View Article2008 Chevrolet Silverado, Cruise Control Does Not Work, P0573
This 2008 Chevrolet Silverado came in with the complaint that the cruise control would not work. Since I have a Tech 2 scan tool I decided to look for codes first. There was a PCM code P0573 stored...
View Article2008 GMC Yukon, Reduced Power Mode, Code P0641 00 Stored
This 2008 GMC Yukon came in with the complaint of reduced power and the vehicle could not be driven over about 35 mph. There were a lot of codes stored but the only one of real relevance was Code P0641...
View Article2007 GMC Yukon Multiple Misfires-Codes-P0300-P0352-P0354-P0356-P0358
This 2007 GMC Yukon came in with multiple complaints among which were the engine seemed to have no power, the Service Engine Soon, ABS and Traction lights were on and there was a stability message...
View Article2004 Chevrolet Tahoe, Compressor Will Not Turn On
This 2004 Chevrolet Tahoe came in with the complaint that the a/c was not cold due to the compressor not coming on. Whenever the a/c was turned on the snowflake on the digital display would flash. This...
View Article2007 Chevrolet Tahoe Cruise Control Does Not Work
This 2007 Chevrolet Tahoe came in with the complaint that the cruise control had been not working at times but now the situation had changed to not working at all. With or without a scan tool this is a...
View Article2007 Chevrolet Monte Carlo SS Emissions 1 Fuse Blows
This 2007 Chevrolet Monte Carlo SS came in with multiple complaints including the Emissions 1 fuse blowing in the underhood fuse box. Also there were several codes being set in the PCM as a result,...
View Article2009 Chevrolet Silverado Driver’s Side Air Stuck On Heat
This 2009 Chevrolet Silverado came in with the complaint that the a/c was blowing out hot air on the driver’s side of the dash.The vent temperature was 140°F and the outside air temperature was 97°F in...
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