981 · Engine

P0020

"A" Camshaft Position Actuator Circuit (Bank 2)

MED SEVERITY

Same as P0010 but for Bank 2 (cylinders 4-6) intake camshaft adjuster circuit.

SYMPTOMS

  • Check-engine light
  • Rough idle
  • Reduced power
  • Slight economy loss

LIKELY CAUSES

  • Failed Bank 2 cam oil-control solenoid
  • Wiring or connector fault
  • Low or dirty oil
  • Clogged oil galleries

DIAGNOSIS STEPS

  • Read live cam-adjustment data (Bank 2)
  • Check oil level and condition
  • Measure solenoid resistance and continuity
  • Inspect connector
  • Test actuator operation

RELATED PARTS

  • Camshaft adjuster solenoid (Bank 2)
  • Wiring harness
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