P0011
Camshaft Position "A" Timing Over-Advanced or System Performance (Bank 1)
Description
Camshaft Position "A" Timing Over-Advanced or System Performance (Bank 1). This powertrain diagnostic trouble code covers the engine, the fuel and ignition systems, emission control and the transmission.
OBD Codes Details
Possible Causes
Faulty sensor, intake leak, clogged fuel filter, weak fuel pump, damaged wiring
Solution
Check for intake leaks, inspect and clean the sensor, measure fuel pressure, compare live data against the expected range
Symptoms
- Check engine light illuminated
- Rough idle
- Reduced power and poor acceleration
- Ticking or rattling noise from the timing chain area
- Poor fuel economy
Diagnostic Recommendations
- Check engine oil level and condition (low or dirty oil is a common cause)
- Test variable valve timing (VVT) solenoid operation
- Inspect the VVT solenoid screen/filter for debris
- Verify camshaft actual vs. commanded timing with a scan tool
- Inspect timing chain and tensioner for wear
Repair Cost Estimate
- Oil and filter change: $50-100
- VVT solenoid replacement: $100-300
- Timing chain/tensioner replacement: $400-1200
- Diagnostic scan: $80-150
- Total diagnostic and repair: $150-1500
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Fact-checking completed
Verified by:
Pavel Volkov
Created:
Information verified against official sources
Official Sources
Society of Automotive Engineers
Official OBD-II diagnostic trouble codes standard (SAE J2012)
Automotive engineering standards organization
International Organization for Standardization
International standard for vehicle diagnostic systems
International standards for automotive diagnostics
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