Service Buddy
Electrical

Code P0340

Camshaft Position Sensor Malfunction

Plain English Meaning:Camshaft sensor not working

⚠️

Yellow: Drive with Caution

Timing issues can worsen

What You'll Notice (Symptoms)

  • Hard start rough running

Most Common Causes

1Sensor failure wiring issue

Verified Repair Playbook

Required Mechanic Tests

A qualified shop should perform these tests before replacing any parts to ensure they aren't guessing:

Check timing signal

Typical Fix Paths & Estimated Costs

Replace sensor $150–$400