AI Diesel Tech
P0018OBD-IISENSOR

Crankshaft Position — Camshaft Position Correlation (Bank 2 Sensor A)

Common Symptoms

  • Check engine light illuminated
  • Rough idle or engine misfire
  • Hard starting or no-start condition
  • Reduced engine power or hesitation
  • Poor fuel economy
  • Engine stalling at idle

Most Likely Root Causes

  • Timing chain or belt stretched or jumped timing
  • Failed or failing camshaft position sensor
  • Failed or failing crankshaft position sensor
  • Variable valve timing solenoid malfunction
  • Low engine oil level or incorrect oil viscosity

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Component Location

Camshaft position sensor Bank 2 is typically located on the cylinder head or timing cover on the side of the engine opposite the Bank 1 sensor.

Manufacturer Notes

Many manufacturers recommend verifying correct engine oil viscosity and VVT solenoid screen condition before replacing timing components.

Also diagnosing J1939 SPN/FMI codes?

Heavy-duty trucks often throw both OBD-II and J1939 faults simultaneously. AI Diesel Tech handles both protocols in a single guided session.

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