P0016

Crankshaft Position – Camshaft Position Correlation (Bank 1 Sensor A)

Severity: High Fuel & Air Metering Generic OBD-II Code Est. Repair: $400 - $2,500+

High severity. Avoid long drives and get diagnosed as soon as possible. Flashing check engine light = stop driving if safe.

What Does P0016 Mean?

Crank and cam correlation outside allowed window — indicates a timing problem.

Common Symptoms

CEL
Hard starting
Rough running
Possible no-start
Rattle

Possible Causes

Stretched/jumped chain or belt
Failed tensioner
Incorrect installation
Faulty sensor
Reluctor damage

How to Fix P0016 – Repair Guide

Do not ignore. Check timing marks
Inspect chain/belt and tensioner
Verify sensors and tone rings
Repair mechanical timing before further driving
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Disclaimer: Information is for educational reference only and does not replace professional diagnosis. Actual causes and costs vary by vehicle make, model, year and condition. Always verify with a qualified technician.