RPM drops when braking with the A/C on
- Symptoms
- When slowing down the rpm falls below idle and the engine nearly stalls, more with A/C on
- Likely cause
- Dirty throttle body or old filters and plugs were suggested.
- Fix
- Clean the throttle body and replace the air filter and plugs if due. If it continues, have the idle control checked.
- Applies to
- 1.3 manual (owner report)
- Related fault codes
- P0506, P0505
- Confidence
- low
Sources
Related problems on this car
- A/C blows mist and air flow drops
- Will not start and the meter stays dark (immobiliser)
- Heats up in traffic or on climbs
- Reverse gear hard to engage (manual)
Similar problems on other cars
- Idle drops or engine stalls when pressing the clutch · Suzuki Cultus (2nd gen, EFI)
- Idle hunting / stalling when the clutch is pressed (IACV/throttle body) · Toyota Corolla (9th gen, E120)
- Cold start, then engine dies · Toyota Vitz (1st gen)
Where the parts are · Warning lights · Fault codes · Maintenance
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