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2013 Chevrolet Camaro LS 2dr Coupe w/2LS

2013 Chevrolet Camaro
Trim Info:
Rear wheel drive, Coupe, Compact
18 (2012) mpg city / 29 (2012) mpg hwy
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October 21, 2012, 2:40 pm

Jason F
 

Question: Why does my car idle around 750 in drive but 1000 to 1500 in park or neutral?

I have the 3.4 v6 and have noticed that my gas mileage is significantly lower than what it should be. And I was just wondering what I could replace or do to improve the idle. My mom's car has the same idle in drive as it does in park so I am just assuming something is wrong.


October 25, 2012, 3:45 pm

Ron W
Expert Mechanic

It may be a bit high, but Idle speed is typically higher in park than it is in drive.

Also, your vehicle has an IAC (Idle Air Control ) valve. When it opens or closes it increases or decreases the amount of air it lets into the throttle body. By changing the air flow, it controls the idle speed. It's possible that yours may not be reacting that well.


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