Land Rover
Cold start ignition timing performance fault. Cold-start emissions only.
P050B fault code: what it means
P050B: Cold start ignition timing performance fault. Cold-start emissions only.
Usual causes, most likely first
- intake leak
- throttle body fault
- engine software
P050B by make
What the repair usually costs
- Throttle body clean and idle relearnNZ$90–NZ$190 · A$100–A$200
- Electronic throttle body replaceNZ$470–NZ$1,290 · A$440–A$1,190
- Glow plugs (diesel, set of 4)NZ$250–NZ$850 · A$250–A$850
Not sure what P050B 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.