OBD Guide

P033F

Crankshaft/Camshaft Loss Of Synchronization

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Unstable engine operation
  • Power Loss
  • Misfires
  • Difficulty starting
  • Increased fuel consumption

Causes

  • Worn or damaged timing belt/chain
  • Timing timing mark offset
  • Malfunction of the crankshaft position sensor (CPS)
  • Malfunction of the camshaft position sensor (DPRV)
  • Problems with the sensor wiring harness
  • Mechanical damage to timing gears
  • ECU software error

How to Fix

  1. Check the condition of the timing belt/chain and marks
  2. Diagnose shaft position sensors (DPKV, DPRV)
  3. Check the integrity of the wiring harness and connectors
  4. If necessary, replace the timing belt/chain and tension rollers
  5. Update ECU firmware (if required)
  6. Check mechanical timing components for wear

Related codes

Error P033F by Vehicle Brand