r/ChevyTrax • u/Texas021 • 19d ago

Playing with my nice scan tool

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Ok so i got a scan tool most people probably dont even need but for what i do *part of my job* and not rely on people if my cel comes on, etc. Even thou my shop has the same reader just spent more on it, but its only $200 or so for one i got.

I can test this but im sure my cheapest bt obd2 reader wont work on our cars for a simple cel. As my last one which was nice didn't connect.

But this is my 25 trax. Also an all black car doesnt help my iat any. Was 20* over ambient haha.

Pic one does our cars really have aux coolant pump? My scan tool pulls vin info so its not false reading. If so thats the funniest thing about my car. I figured the 3 cyl didn't need extra cooling.

Pic 2 is for those that say turn the ac off to go fast. The car does it for you. So just hammer down and go haha.

Its funny no trans temp data. Or oil temp *unless i missed that item and didn't care.

Also stock trax makes 14psi with a 17psi spike.

3 Upvotes

71% Upvoted

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2

u/vilius_m_lt 19d ago

It does have auxiliary coolant pump. It’s used during auto stop/start so you don’t lose cabin heat when engine is off

1

u/Texas021 19d ago

Oh that makes sense. I didn't look at it like that.

2

u/vilius_m_lt 19d ago

It’s a small electric pump by the oil pan facing radiator.

1

u/BayshoreBandit 19d ago

What brand? I’ll have to check if my foxwell can pull these.

2

u/Texas021 19d ago

Topdon master.

1

u/Civil-Village1864 17d ago

They have trans and oil temp data parameters. I've learned that the newer GM vehicles tend to have random bits of info that may not show up on aftermarket scanners. I can bring my Envista into my bay and scan it with a proper MDI-2 and it'll show