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Need help on 06' GM hummer H3 3.5liter DTC
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Question
Sffred
Hello,
My mother has a GM Hummer H3 (2006, 3.5l) and has a few codes
1.Manifold absolute pressure sensor
2.Coolant temperature sensor
3.Cylinder misfire #2
So I replaced the MAP sensor (OEM), Coolant temp sensor (AC Delco with 15mm crowfoot), and all 5 coil packs and all 5 sparkplugs too (NGK plugs)
And the misfire went away, but the MAP and the CTS code came back? (I know the sensors is good I replaced them with brand new?)
What I did notice is that the temp gauge only reads 1/4 of normal, and the fans turns on too early (not even getting near half way mark on the temp gauge).
And I just checked the resevoir and its low on coolant? What could it be?
Unfortunately my mother is going thru remission (unemployed because of her cancer) and cannot afford a shop, so she asked me to help.
Any help is greatly appreciated, and thank you in advance from me,
Fred
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