1988 Chevy Van Code 44
Nov. 8, 2024
Code 44 - Oxygen Sensor Circuit 1988 GMC 3500 5.7 run rough, stalls and backfires. Had code 44 replaced O2 sensor, still set code 44. Checking EGR found 1988 GMC 3500 5.7 run rough, stalls and backfires. Had code 44 replaced O2 sensor, still set code 44. Checking EGR found tbi codes 13 and 44? | GMT400 - The Ultimate 88-98 GM Truck Forum | 1988 Chevy Van Code 44
