Question

Most likely cause of code P0012 on 2005 Toyota Echo 1.5L?

Answer 1

Hi there,

There are a few things that can cause this code. I would first check the engine oil level and make sure it's full. Here is a small list of other possible causes.

Incorrect camshaft timing
VCT solenoid valve stuck open or continuous oil flow to piston chamber
Camshaft advance mechanism binding, or faulty VCT unit

Answer 2

P0012 TOYOTA - Camshaft Position 'A' Timing Over-Retarded Bank 1

Read more: https://www.autocodes.com/p0012_toyota.html