Question about 2008 Chevrolet Cobalt

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2008 Chevrolet Cobalt Sport Check Engine Light came on Information button - Coolant says - - - F Engine fan comes on immediately

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If coolant level is hull replace sencer in radiater over flow tank. can have check engine light checked free at Auto Zone...Thank You!!!

Posted on Mar 22, 2011

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Check engine light comes on at times and fans kick in to!


If this is the same car with the code 128 check the thermostat. You might want to look at the temp sensor and make sure its full of coolant too.

Jun 28, 2013 | 2007 Chevrolet Cobalt Coupe

1 Answer

2008 chevy cobalt engine light on


Your Po449 code means: Evaporative Emission (EVAP) Vent Solenoid Control Circuit. Check to see if anything on you EVAP system has gotten disconnected and make sure that none of your hoses have gotten old and bridle or have holes. If everything looks ok, you probably have to replaced the Vent Solenoid Valve, which is located on the EVAP canister.

Jan 30, 2013 | 2008 Chevrolet Cobalt

1 Answer

2008 coblat ls engine light keeps coming on and coolant is not reading put coolant in light went off but returned on next day


You have a leak. Check the oil to see if there is water in it. Withe the engine running, check the tailpipe to see if excess water is coming out. If yes to either of these, then you have a bad head gasket or cracks in the head/block. You need to find where the coolant is leaking in order to fix it.

Oct 15, 2012 | 2008 Chevrolet Cobalt

1 Answer

2006 chevy cobalt the engine cooling fan is not coming on


Check with warm engine and off by touching on your radiator vents whether is in all places same temperature. If not check whether you have air in the coolant which needs bleeding,or not good coolant circulation,caused either by clogged radiator,not good water pump,or faulty thermostat.By having these things it is the possibility the fan switch not getting the correct temperature to allow the fans to start. the last thing if everything is working,the possible is the fan switch itself.

Sep 02, 2012 | 2006 Chevrolet Cobalt

1 Answer

Air conditioning start blowing out warm air and the engine light comes on. I have put coolant in it and a new sensor but it's still doing it. What else could it be?


check your condenser fan and make sure it is working and make sure there is no restrictions in front of the condenser or radiator.

Jul 18, 2012 | 2007 Chevrolet Cobalt Coupe

1 Answer

Light for radiator comes on


check coolant level -ONLY open valve when engine cool.

Feb 23, 2012 | 2008 Chevrolet Cobalt

1 Answer

My 2005 cobalts cooling fan only comes on when the a/c is one. i have a new fan, thermometer and my water pump is not leaking out water so i doubt its the water pump.


SOUND LIKE ENGINE COOLANT TEMPERATURE SENSOR OPEN OR BAD.HAVE THE ECT SENSOR CHECK WITH CODE SCANNER SEE IF ENGINE COOLANT TEMPERATURE SENSOR READING TEMPERATURE RIGHT.IF ENGINE COOLANT 200 DEGREES AND SCANNER SHOWS 80 TO 100 DEGREES YOUR ECT SENSOR BAD.

Jun 23, 2011 | 2005 Chevrolet Cobalt

2 Answers

What is hte proper temp on a 2008 cobalt?


Ususally the thermostat opens at 195 to 200 degrees. Coolant and pressure allow normal temps to go to 230 to 240, and much higher under heat soak condition (unit turned off). Fans kick in near that temp. So, the engine needs to be that hot to be efficient and to have emission controls shift to normal... Also the high temprature prolongs engine life by forcing moisture from the oil.

Sep 26, 2010 | 2008 Chevrolet Cobalt

1 Answer

Engine light is on in my 2008 chevy cobalt sport


so.....
i need more information then that to help you.
whats wrong ?
is there a noise?
dose something not work ?

May 30, 2009 | 2008 Chevrolet Cobalt

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