I have a 2011 Equinox with 2.4l.
Not a turbo but is GDI.
Pistons and rings just replaced for oil consumption, thank you GM.
First I'm a bit ocd and I'm alwsys looking for problems when there are none. So please check me on this. Is this a problem?
AIT: car sits entire weekend in the garage. Key on and engine off gives me these temps
Engine oil and coolant temperature were both 66.2 deg. Garage temp was 64 deg.
And the AIT was 69.8 deg.
I found it interesting that the oil and coolant matched each other perfectly.
AIT is part of MAF and is located right behind filter very close to mouth of intake system.
It always read 6 deg higher than ambient while driving. Engine heat should not have too much effect due to the location.
MAP: My Map read 14.2 psi (28.9 inHg) with key on and engine off.
Local airport showed barometric pressure was 31.1 inHg. Found out that weather station readings adjust for altitude to make all readings comparable. Rule of thumb is adjust inHg down by one for every 1,000 ft of elevation. I'm at 960 ft above sea level.
So actually the barometric pressure was 30.1 inHg.
MAP is supposed to read actual barometric pressure but it is off by 1.2 inHg.
Are either of those off enough to bother with?
No codes but I have experienced occasions where no codes but there was a problem....
Sucking down 1.5 quarts in 2k miles and no code.
Thermostat starts to open at 160 deg and with top temp at 180 deg and no code. Replaced and now temp goes to 195 deg.
I have been experiencing some hesitation/stall when I let off the gas for stop light and step on it when it turns green before I get there. Also once from a complete stop. I was hoping it to be the transmission (I have a $100 deductible warranty and these transmissions suck.)
But now beleive it to be the MAP and combined, to a lesser degree (pun intended), the AIT.
Thank you ahead of time for chiming in abd any experience.
Also, here are a couple of articles on this.
You may not see any of the charts without downloading the pdf at the bottom of the article.https://www.motor.com/magazine-summary/driveability-corner-august-2008/https://www.motor.com/magazine-summary/driveability-corner-august-2004/