Possible causes
– Reprogram computer
– Faulty Powertrain Control Module (PCM)
– Faulty Powertrain Control Module (PCM)
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
MAZDA Related P1639 code
2001 MAZDA TRIBUTE Power Train
2002 MAZDA TRIBUTE Power Train
2001 MAZDA B2300 Power Train
2002 MAZDA B2300 Power Train
2001 MAZDA B2500 Power Train
2002 MAZDA B2500 Power Train
2001 MAZDA B3000 Power Train
2002 MAZDA B3000 Power Train
2001 MAZDA B4000 Power Train
2002 MAZDA B4000 Power Train