Toyota Yaris Shaking Idle — Idle Air Control Fouled
Toyota
Yaris
2005
1KR-FE/1SZ-FE
⚡ Quick Summary
Severity Level
Low
Safe to Drive?
⚠️ Drive with Caution
Safety Impact
Indirect risk — worth monitoring, not urgent
Urgency Level
🟢 Low Priority
Rough idle and shaking on Yaris 1.0/1.3 petrol indicates a fouled throttle body or idle air control valve. Cleaning the throttle body with cleaner spray resolves most cases. Cost: £50-100 at a garage.
Repair / Solution
No confirmed fixes yet. Share yours below.
⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Toyota Yaris 2005 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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