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2005 Chevrolet TrailBlazer - Page 5 Questions & Answers
Where is the pcv valve on the 2005 chevy trail blazer
Dear hispeed3,
If you haven't bought the part yet and are planning on replacing it ...i'd go to the auto parts store and ask them for the part location. They are usually glad to do this. I know Advanced Auto Parts does this for me.
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How do I fix my 2005 trail blazer
Have it checked out , don't guess ! Should have a up scale scan tool , professional one hooked up ! Check fuel trims , mass air flow sensor , coolant temp . etc... Crankshaft position sensor ,do fuel pressure an flow testing etc... Your looking for a quick answer , Test ,Test an more testing ! You best bet is take it to a ASE certified repair shop .
P0128 came back after replacing t-stat
code p 128 refers to coolant thermostat---coolant temp below thermostat regulating temperature ====causes --mechanical fault
you say that you have replaced the thermostat and it is just under 210 F which is 99 c or almost boiling point
you will have to investigate why it is running so hot.
check that you put the thermostat in correctly ( bulb section to block/head water
Next point --the codes are originated by the coolant temperature sensor ( puts the fans on and sets the ECM fuel/air ratio for the engine ) so to get it off you will need to reset with a scan tool
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