Porsche
Front oxygen sensor (bank 1) responding too slowly (ageing).
P1275 fault code: what it means
P1275: Front oxygen sensor (bank 1) responding too slowly (ageing).
Usual causes, most likely first
- ageing front oxygen sensor
- exhaust leak near the sensors
- oxygen sensor plugs swapped
P1275 by make
What the repair usually costs
- Air-fuel ratio / front O2 sensor replace (upstream)NZ$270–NZ$750 · A$260–A$730
- O2 sensor replace (downstream / after cat)NZ$180–NZ$480 · A$180–A$460
Not sure what P1275 means on your car? Ask Credov.
Before you clear it
Write the code down or photograph the scanner first. A code that comes straight back after clearing points to a fault that is still there. A car whose codes were cleared just before you arrived may be hiding one: the scanner's readiness monitors show "not ready" for a while after codes are cleared.
Researched by Credov from manufacturer and workshop sources. A fault code points to where a fault may be; a workshop confirms it with a diagnosis. Browse all fault codes.