P1239 MAZDA Possible Causes
- Faulty fuel pump
- Fuel pump harness is open or shorted
- Poor electrical connection in the fuel pump circuit
How is the repair of code P1239 MAZDA performed?
Start by checking the “Possible Causes” listed above. Visually inspect the wiring harness and associated connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Engine light on (or service engine soon warning light)
P1239 MAZDA Meaning
Fuel Pump Speed Positive Supply is the generic description for Mazda code P1239, but the manufacturer may have a different description for your vehicle model and year. Currently, we do not have further information on the Mazda OBDII P1239 code.