Thread: 2009 Colorado Engine Problem

Originally Posted by veitnamcam

If it runs like a dream what does coding do? Im more of a mechanical injection kind of guy.

They code is for how long it takes to open and shut
Your used to injection a fraction before tdc

New stuff does small injections before tdc and ecu needs to know how long it takes each one to open and shut
To work out the time each injection takes

Stroke of luck that it went, most won't start if codes don't match