Timing belt intervals: most engines 60,000-105,000 miles (check your specific manual — never guess). ALWAYS replace at same time: water pump (already exposed, cheap insurance), tensioner, idler pulleys, front crankshaft seal, cam seals. Total job on most 4-cylinders: $400-800. Skipping the water pump to save $50 is false economy — if it fails between timing belt changes you do the job again. Interference engines = broken belt destroys engine.
Timing belt replacement — when and what to replace at same time
At what mileage should I replace timing belt? What should I replace at the same time to avoid coming back? This fault code is stored when the engine control unit detects a specific fault condition. Common causes include sensor failures, wiring faults, and component wear. Always read additional fault codes before replacing parts — multiple codes together provide a clearer diagnosis. Clear the code after repair and test drive to confirm the fault does not return.
🔍 Symptoms
⚙️ Possible Causes
Repair / Solution
Based on 134 driver confirmations
⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
🧾 Driver Reports
📖 Related Repair Guides
Help other owners by sharing your experience.
Your real-world fix helps thousands of drivers worldwide. Takes 2 minutes.