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07 chevy uplander starting issues


91stranger

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Location
Whats round on the sides and hi in the middle-OHIO
Vehicle Year
2003
Make / Model
Gets Mo Chicks
Engine Size
4.2 straight six powered by gremlins, goblins and mudbloods.
Transmission
Automatic
2WD / 4WD
4WD
So I just got this uplander the other day and it seems ok so far. The last few times I started it it would take a few extra seconds to start the motor. when it finally would start there would be a big cloud of smoke out the exhaust. its an 07 chevy uplander with the 3.9 and 130,000 miles. previous owner didn't really know too much about it other than the brakes were done and he drives it everyday. Anyone know what this might be? I haven't had a chance to look under the hood and I'm at work for the next few hours. so the more info the better.
 


RonD

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TRS Technical Advisor
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canada
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1994
Make / Model
Ford
Transmission
Manual
Check spark plugs

Cold start means "Choke" is set, so extra fuel is added, need a good spark then

Also there is an IAC(idle air control) Valve(same as Fords), it may be sticking closed
If you are pushing gas pedal down to get it to start then IAC Valve could be the problem
 
Last edited:

91stranger

Well-Known Member
Joined
Jul 28, 2010
Messages
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Location
Whats round on the sides and hi in the middle-OHIO
Vehicle Year
2003
Make / Model
Gets Mo Chicks
Engine Size
4.2 straight six powered by gremlins, goblins and mudbloods.
Transmission
Automatic
2WD / 4WD
4WD
So I pulled the throttle body off and cleaned it really good. it was black on the inside. should took a before and after pic but wasn't too worried about it plus I was on my lunch break and wanted to get it done quick.
 

rusty ol ranger

Im a Jeep guy now.
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1987
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Ford
Engine Type
2.9 V6
Engine Size
177 CID
Transmission
Manual
2WD / 4WD
2WD
My credo
A legend to the old man, a hero to the child...
Check engine on?
 

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