Live Manual
Engine Error

P0343

Camshaft Position Sensor A Circuit High Input (Bank 1)

Severity
High

Symptoms

Engine stalling, long cranking time, check engine light

Common Causes

  • Short to power in cam sensor circuit
  • Open ground circuit
  • Failed camshaft position sensor
  • Broken timing belt/chain

How to Fix

  1. 1 Repair short to voltage
  2. 2 Repair sensor ground
  3. 3 Replace camshaft position sensor
  4. 4 Inspect timing components
Estimated Repair Cost USD
$80 $1000

Sensor: 100 - 250; Timing chain job: 800 - 1,000+