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Audi A4 Wont Start — Camshaft Position Sensor Failure — Audi A4 2001 | MyCarFault
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Audi A4 Wont Start — Camshaft Position Sensor Failure

Audi A4 2001 All B6/B7
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⚡ Quick Summary
Severity Level
High
Safe to Drive?
⚠️ Drive with Caution
Safety Impact
Can become a safety issue if left unresolved
Urgency Level
🟠 Fix Soon

Audi A4 cranking but not starting stores P0340/P0345 camshaft position sensor codes. The sensor fails causing the ECU to lose cam timing reference. CMP sensor replacement costs £80-200. Always check for chain stretch if cam sensor codes appear on early B6.

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No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Audi A4 2001 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.

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