2012 doesn't start all of the sudden

Al Gully said:

I've never heard of this type of problem. Can you elaborate on it.
Also, is there a code for this problem.?

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Smallville said:

Certain sensors are ignored until the coolant reaches a certain temperature. O2 sensors come to mind, I'm sure there are others.
No specific code.
The only reason I bring it up is if it runs fine when cold and starts missing when warmed up.

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