Question about 2005 Chevrolet Cobalt Sedan

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My 2005 chevy cobalt has troubles idling after the the engine has warmed up on cold day's. I pulled a code that say's it was there was a throttle actuator malfunction. what is actually going w

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  • 52 Answers

Your gas pedal sends a signal to it, its drive by wire not cable like in the old days, the motor moving the throttle under the hood is probably bad

Posted on Jan 06, 2013

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Posted on Jan 02, 2017

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SOURCE: 2005 Chevy Cobalt, how do you reset a fault code?

Your car has a OBD2 hook up under the dash somewhere on the drivers side, You have to have a computer to hook up to that ODB plug and reset it, If you live near a Autozone they will clear the code for you for free, One other thing you try is disconnecting your battery for about 30 mins, that works on alot cars to reset the check light.

Posted on Mar 20, 2009

BelgianAlien
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SOURCE: my 2005 chevy cobalt factory radio is locked

There are only 2 things you can try to fix this yourself: turn off the engine and open the driver side door (to turn the radio off). Wait 5 minutes, start your car.
If that does not solve it, turn off your engine, disconnect the car battery, wait about 5 minutes. Reconnect the battery (negative pole first - black connector) and try your radio again.

If neither one of these two fix your problem, I am afraid only a GM service center or dealership can fix the problem. The Cobalt is notorious for all kinds of electrical issues.

Thanks for using the fixya forums!

Posted on Mar 28, 2009

  • 462 Answers

SOURCE: cold start bog rough idle warms up runs smooth no trouble code

CHECK THE INTAKE MANIFOLD GASKETS FOR VACUUM LEAKS AROUND THE TOP AND UNDER THE PLENUM.

Posted on Jul 11, 2009

  • 14036 Answers

SOURCE: 2005 chevy cobalt 37.000 miles engine light on.

CODE PO449 - EVAP VENT SOLENOID CONTROL CIRCUIT MALFUNCTION.SOUND LIKE EVAP VENT SOLENOID HAS FAILED OR A BLOWN EVAP VENT SOLENOID FUSE.

Posted on Aug 28, 2009

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2001 chevy suburban,idles rough,check engine light flashes ,after truck warm up light go off and stop idling rough


Get a computer scan for trouble codes to see if that points you towards the problem. Possibly an engine sensor is not working right till it is warmed up. You might also check the idle air control for proper operation when cold.

Nov 14, 2012 | Cars & Trucks

1 Answer

My 2005 chevy cobalt is idleing iregular when i stop or sometimes stalls out at stops my check engine light came on but after sitting for 10 hours and starting back up went off about ten minutes into my...


Had the same problem with mine. Check and clean your throttle body, as well as all hoses leading from you air filter all the way to the engine. Took a bottle of carb cleaner, a rag, and some q-tips.

Nov 22, 2010 | 2005 Chevrolet Cobalt

2 Answers

2005 chevy cobalt, car wont start ... check


disconecting the battery should reset the pcm. but you will need to find out what caused the problems.

Jan 06, 2010 | 2005 Chevrolet Cobalt

4 Answers

Why does reduce engine power light comes on chevy


That is a hard problem to pin point without knowing what codes the computer has stored. It can be any number or sensors or engine problems.

You can go to most auto parts stores and they will pull the codes for you for free.

Jul 27, 2009 | 2005 Chevrolet Cobalt

1 Answer

2005 chevy cobalt check engine light on


i went to advance auto and they pulled the check engine light code and they said it was just wet electrical equipment from all the rain we have had and that it would dry out in a couple of drives so they reset the code and told me to come back in if it comes back on.

Apr 14, 2009 | 2005 Chevrolet Cobalt

2 Answers

2005 chevy cobalt


This is how you do it.

Ensure that the transaxle case temperature is 70° to 90° F (21° to 32° C). With the engine running, shift transmission through all gears. With engine idling in PARK, remove the check plug from the transmission. If transmission has been overfilled, allow fluid to drain out. If no fluid drains out, add fluid through the TRANS FLUID fill cap under the hood on the driver side in 1 pint (0.5 liter) increments until it slightly flows from the check plug. Reinstall the check plug.

Feb 10, 2009 | 2005 Chevrolet Cobalt

1 Answer

I drive a 2005 Chevy CObalt SS-S and it won't start.


starter could be bad or battery could be bad, live in cold weather conditions or warm humid conditions?

Jan 11, 2009 | 2007 Chevrolet Cobalt Coupe

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