Category: P0102

2000 Cadillac DeVille, Runs Poorly Code P0102

This 2000 Cadillac Deville Came in with the complaint of running poorly and a code P0102 was present. The customer had already replaced the MAF (mass air flow) sensor and tried to replace the harness connector. Why anyone would consider this a repair is beyond me. Looking at MAF data, the grams per second and … Continue reading “2000 Cadillac DeVille, Runs Poorly Code P0102”

1997 Chevrolet S10 Blazer, Codes P0102 and P0340

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”