What does code P0016 mean on a Pontiac and is it safe to drive?
P0016: Crankshaft/Camshaft Position Correlation – Bank 1, Sensor A. Here's what it means on your Pontiac, what usually causes it, what repairs typically cost, and how safe it is to keep driving.
What this code means
The PCM has detected that the crankshaft and intake camshaft positions on bank 1 are out of expected sync. A serious code that can indicate timing chain wear or jump.
Common causes for your Pontiac
- Stretched or jumped timing chain
- Faulty crankshaft or camshaft position sensor
- Worn timing chain tensioner or guides
- Incorrect cam phaser position
Symptoms
- Check Engine Light
- Hard starting or no-start
- Rough running, stalling
- Rattling from timing chain area on startup
Typical fixes
- Replace timing chain, tensioner, and guides
- Replace crankshaft or camshaft position sensor
- Inspect and replace cam phaser if locked
Repair cost range
For a Pontiac, repairs for P0016 often fall between $300 and $2500, depending on the cause and whether you use OEM or aftermarket parts. Labor rates vary by location.
Known issues on Pontiac
Pontiac G6 3.5L LZ9 V6 P0016 typically indicates a failed cam phaser or clogged VVT solenoid. Unlike GM V8s, the 3.5L LZ9 doesn't have AFM, so a VVT solenoid replacement after an oil change is usually the definitive fix.
Most commonly affected models