1999 Chevrolet S10 Blazer, Runs Poorly Sometimes

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”

2000 Chevrolet Cavalier, P0118 Low Coolant Temperature

This 2000 Chevrolet cavalier came in with the SES light on and a code P0118 stored for low coolant temperature among other problems. A quick scan found that the coolant temperature was at -40 degrees F. The outside temperature is in the mid 70’s. I found the coolant temperature sensor broken and the harness connector … Continue reading “2000 Chevrolet Cavalier, P0118 Low Coolant Temperature”