1KR oil consumption
- Symptoms
- Oil level drop, blue smoke on start
- Likely cause
- Valve stem seals / rings, often after long oil intervals
- Fix
- Monitor consumption; stem seals or overhaul; correct oil
- Applies to
- KGC10/KGC15/QNC10; Boon M300S/M301S/M310S (same platform)
- Related fault codes
- none
- Confidence
- medium (multiple secondary sources; KickTyres says 'can't confirm for this car')
Sources
- kicktyres.com/inspections/toyota/passo
- reddit.com/r/MechanicAdvice/comments/1e75kiq/
- toyotaownersclub.com/forums/topic/195359-daihatsu-sirion-questions-bel
- drom.ru/reviews/toyota/passo/5kopeek/
Related problems on this car
- No power to fuel pump (KGC10 1KR)
- Timing chain rattle on cold start (1KR/K3)
- Chirping/whistle from belt area (1KR)
- Stalling at idle with A/C + brake, hard start
Similar problems on other cars
- ZZ oil consumption (1ZZ-FE/3ZZ-FE, worse on early builds) · Toyota Corolla (9th gen, E120)
- Engine uses oil (carbon in rings) · Toyota Vitz (1st gen)
- Timing chain jumps after long oil changes · Toyota Vitz (1st gen)
Where the parts are · Warning lights · Fault codes · Maintenance
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Guidance only – confirm with a mechanic before repairs. All common problems