Audi
Idle control at its upper limit. Usually a blocked air intake; lack of power.
P1508 fault code: what it means
P1508: Idle control at its upper limit. Usually a blocked air intake; lack of power.
Usual causes, most likely first
- blocked air filter or intake
- dirty throttle body
P1508 by make
Skoda
Idle control at its upper limit. Usually a blocked air intake; lack of power.
Volkswagen
Idle control at its upper limit. Usually a blocked air intake; lack of power.
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
- Full / logbook service (car)NZ$310–NZ$590 · A$310–A$580
- Engine air filter replacementNZ$40–NZ$130 · A$30–A$120
Not sure what P1508 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.