Chevrolet Cobalt Questions Maintenance & Repair

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Bill Hurd

10 Cobolt Transnition Acts Like Brake In Lower Gears.

10 Cobalt transmission acts like brake in lower gears but frees up in 3rd and at 65mpy runs 1200 more rpm than normal. This happened on a 400 mile trip but when I stopped at a truck stop to check flui...

Julian Gaus

How Do I Fix Codes Po171 &po300 On My Cobalt

I have cleaned the throttle changed plugs &coils used lucus injector cleaner nothing worked. also unplunged the maf and the rpms jumped to 4k then started rising unplugged map no change really n...

9 views with 2 answers (last answer about a month ago)

I Have An '06 Chevy Cobalt Ls With An Automatic Transmission And This Morni...

16 views with 2 answers (last answer 2 months ago)

Is Battery Ventilation Tube Suppose To Be Tight On The Port?

I just replaced the battery in Chevy Cobalt 09. However the ventilation tube has a slit in it and it slides off the port from the battery. I don't think it should be doing this but want to make su...

6 views with 1 answer (last answer 2 months ago)

I Went To Have My 2008 Chevy Cobalt Inspected 5/4 And It Said It Failed, Po...

its all in the question

124 views with 32 answers (last answer about a month ago)
Richard Mitchell

2006 Chevy Cobalt Ls Electrical Problems

I have a 2006 Chevy cobalt ls and its acting really funny. It won't hold a charge on the battery but when you have jumper cables hooked up it idles and runs fine but when they come off it will go ...

22 views with 8 answers (last answer 2 months ago)

Clicking Noise Under Dash When Key Is Turned On.

EACH TIME my key is turned completely off for over 5 minutes, sometimes less, there is a clicking sound under the dash, when it is turned back on. This happens each time, but varies in length. It may ...


Cooling Temperature Sensor

I have replaced the Cooling Temperature Sensor on my 2008 Chevy Cobalt. After an hour or less the readout goes back to 3 lines and my A/C clutch stops working. I had a friend hook up a diagnostic mach...

Lori Empson

I Own A 2006 Cobalt. I Just Had A Cv Shaft And Wheel Bearing Replaced On Th...

16 views with 2 answers (last answer 3 months ago)

I Changed Transmissions And Now It Wont Start

My car was having problems going in reverse its automatic. I put in a used one from same year and now car does nothing when i try to start. Lights and everthing shut off as soon as I try to crank

12 views with 1 answer (last answer 3 months ago)

07 Cobalt Temp. Fluctuates From 197 To 215. Random. Cools Down At High Spee...

28 views with 3 answers (last answer 2 months ago)
Genny Lefler

I Have A 2006 Chevy Cobalt . The Check Engine Light Is Usually On But This ...

16 views with 1 answer (last answer 2 months ago)

2007 Chevrolet Cobalt Will Not Start Just Make A High Pitch Whine When Turn...

My wife called me from the interstate said the engine felt as if it hesitated changing gears when she arrived at her destination she turned the engine off but it would not start again just a high pitc...

6 views with 2 answers (last answer about a month ago)
Alex Brooks

How Do I Check The Coil To See If It Needs To Be Replaced Or Do You Change ...

37 views with 3 answers (last answer 2 months ago)

2008 Cobalt Engine Replaced

We replaced an engine on a 2008 cobalt. We checked the battery and replaced the hoses and filled fluids. But car will do nothing when we try to start it. The lights go out and we hear nothing. Any h...

9 views with 1 answer (last answer about a month ago)

How To Test Chevy Cobalt Ignition Coil

How do I test my ignition coil


Replaced/re Wired Transmission Control Module

After a lot of splicing and re wiring the wires coming from module, everything as far as lights, dash , door chime, shifter moves now! ( didn't before) key comes out now, ( didn't before) The car ...

Paula Collett

What Can Make My 2006 Chevy Cobalt Act Like Its Not Getting Fuel To It? It...

It will crank and start just sounds like its missing when you give it gas or when its idling. I checked all the fuses and checked the fuel filter. When it does this the engine light flashes and ...

16 views with 2 answers (last answer about a month ago)
Jason Frix

Loss Of Power

When the car has sat for about 6 hours it runs like a dream.. But once I drive it about 20 minutes and park it, I'll go to start it back up and the RPMs bounce between 200-550 and the exhaust soun...


I Have A 2007 Cobalt! It Started But When I Put It In Gear And Started Acce...

The ignition callback was addressed and changed, so could this have anything to do with what is going on now?

8 views with 1 answer (last answer about a month ago)
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