P1174 Code: Cam Sensor Fault
🟠 Moderate severity · drivable
Drivable, but the engine may idle rough, hesitate, or stall until the sensor is fixed.
What P1174 means
The camshaft position sensor tells the computer the position of the camshaft so it can time fuel injection and ignition. This code means the sensor's signal is faulty, so the computer may struggle to keep the engine running smoothly.
Symptoms
- Check engine light is on
- Rough idle
- Hesitation or stalling
- Hard starting
- Reduced fuel economy
Common causes
- most common: Faulty camshaft position sensor
- common: Damaged wiring or connector at the sensor
- less common: Worn or stretched timing chain
- rare: Faulty powertrain control module
How to fix it
| Fix | DIY? | Typical cost |
|---|---|---|
| Replace the camshaft position sensor | Yes | $40–120 |
| Repair wiring or the sensor connector | Yes | $50–150 |
| Have the timing components inspected | Mechanic | $200–800 |
Frequently asked questions
Can I drive with a P1174 code?
Yes, but the engine may idle rough or stall. If it stalls often, get the sensor replaced before driving far.
What does the camshaft position sensor do?
It tells the engine computer where the camshaft is, so the computer can time fuel and spark correctly.
How much does it cost to fix P1174?
The sensor itself is $40–$120 and is an easy DIY job. Wiring or timing repairs cost more.
Related codes
P0340
P0340 Code: Camshaft Position Sensor Circuit Malfunction
P0341P0341 Code: Camshaft Position Sensor A Circuit Range/Performance
Updated 2026-08. This page is informational and not a substitute for professional diagnosis.