This 1999 S10 Blazer came in with the complaint that the engine would run poorly sometimes. The customer unfortunately could not provide a better description of the issue. Luckily there were some clear codes stored in the PCM memory, P0118 and P1115 Code P0118 was stored due to a high voltage signal from the coolant … Continue reading “1999 Chevrolet S10 Blazer, Runs Poorly Sometimes”
This 1997 Chevrolet S10 Blazer cam in with the service engine soon light on and a complaint of low power. Checked data with Tech 2 scan tool and found codes P0102 MAF sensor circuit low frequency and P0340 cam position sensor circuit. I checked CMP retard and found it fixed at -60 degrees. … Continue reading “1997 Chevrolet S10 Blazer, Codes P0102 and P0340”
This vehicle was brought in after being at another shop as usual. Code P0122 was stored for low TPS voltage. Checked the TPS and connector and all was okay. Strangely enough I did some online research and found a post of a similar problem and it related to a 4wd vehicle that had also had … Continue reading “2001 Chevrolet Blazer,4WD, Rough Run, Code P0122, Transmission Replaced Last Year”