Toyota Corolla Engine Light P0301 Cylinder 1 Misfire
Toyota
Corolla
2002
1ZZ-FE 1.8
⚡ Quick Summary
Severity Level
Medium
Safe to Drive?
⚠️ Drive with Caution
Safety Impact
Indirect risk — worth monitoring, not urgent
Urgency Level
🟡 Monitor Closely
P0301 cylinder 1 misfire on Corolla 1.8: check spark plug condition (replace if worn), then ignition coil. Toyota 1ZZ coil packs fail at 80,000-100,000 miles. Swap coil to cylinder 2 — if P0302 appears, replace the coil. Coil: £30-60.
Onarım / Çözüm
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⚠️ Yanlış Teşhis mi?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Toyota Corolla 2002 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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