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Old 01-06-2014, 10:52 AM
ProfessorX5's Avatar
Join Date: Nov 2013
Location: Toronto
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Exclamation SES, P0128, P0155

I'm guessing my thermostat is stuck open from the P0128 code (and it was running kind of cool, though I thought that was because of the -40 temps here).

Could the Thermostat be causing the P0155? I've read that it can be a bad 02 sensor, but it could also be an intake leak making it throw this code.

Any clues?

Also, will I damage my car driving it like this? Got 2 more work days before I get a day off to deal with this. Thanks, guys!
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Last edited by ProfessorX5; 01-06-2014 at 06:30 PM.
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o2 sensor, p0128, p0155, thermostat

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