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Cobalt

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Question
Wobble in front left tire
Hi Andy. Thanks for contacting us today. Typically a wobble that occurs from 40 to 60 mph is going to be caused by tire balance issues, wheel bearing failure, or a loose tie rod, or CV joint. You might want...
Question
Press the gas and my rpm go up to 4000
Hi Sammi. Thanks for sending your question today. I'm not quite certain what issue you're having with the Cobalt. If you press the throttle and the car does not move, but the RPM goes to 4,000 RPM, then you likely...
Question
Throttle Position Sensor
Anytime you go to a parts store to get a computer scan for the Check Engine Light you are not getting a diagnosis of the problem but only a code retrieved from the engine control module (ECM) memory. This is...
Question
Steering wheel is stiff
Hi there. Typically when your steering wheel feels stiff, it's an indication of two different possible issues. First, that you have a power steering fluid leak and the system is low on fluid or second, that there is an issue...
Question
Reduced engine power
I'm assuming that you are getting a message that says "Reduced Engine Power" in the driver information center. This is most likely due to a problem with the throttle system. There is no cable to actuate the throttle body;...
Question
Engine won't turn over.
Hello there, thanks for your question. Removing the dash of your 2007 Chevrolet Cobalt is a large job requiring the removal of many components. Since the problems started after the dash was removed than the repair likely caused the no...
Question
Driver's side door not opening
Hi. It's possible that pieces of glass have gotten lodged into the door handle linkages which could prevent them from moving. A certified technician, such as one from YourMechanic, would be able to remove the inside door panel, clean up...
Question
Check Engine light
You likely have a blown fuse which supplies voltage to the diagnostic connector. This will prevent the scan tool to connect to the engine computer. Most of the time GM likes to use the cigarette lighter fuse to supply the...
Question
Car wont start or crank
You need to verify the shift cable has not come off the transmission causing the car to not be in park so it can start. If this is okay then you may have a theft system problem if light is...
Question
Car won't turn on
Hello, thank you for writing in. I am sorry to hear about your situation! The very first thing to do is check the owner's manual for any information about the anti-theft system (if you have not already done so). If...
Question
Car shakes and vibrates
A concern like this can be produced by a number of different things. Such as; a large vacuum leak in the intake system, lack of airflow to the intake system, lack of fuel delivery caused by a failing fuel pump,...
Question
Car problems
It will depend on why you had the engine rebuilt? If you had the engine rebuilt due to overheating and coolant came out of your exhaust then you may have damaged the catalyst during this period by sending hot coolant...
Question
Car only drives in reverse.
Sounds like you are having transmission issues. Low fluid levels in the transmission can cause issues like this. The problem is not all cars have easily accessible ways of checking the fluid. You can check your owners manual to see...
Question
Car not starting up
Hi, the first thing to check out is the battery. Batteries tend to fail at the 5 year mark so if the battery is around that age it may not be able to hold a charge. You can try jumpstarting...
Question
Air conditioning not cool
If your cars A/C is not very cold, and it is happening always, you might be low on refrigerant. The A/C system is a sealed system and if it is low, it usually means you have a leak. Seeking the...
Question
My car starts to shake when its idling and when I give it gas and the check engine light goes on and off, car acts like it wants t
Hi Theresa. Thanks for contacting us today. There are a few possible reasons why your Cobalt is having these issues. Typically the vibration and shake is caused by either a vacuum leak, engine misfire or even loose engine mounts. I...
Question
Does my 2010 Chevrolet Cobalt have 2 timing chains?
Hi Tiffany. Thanks for contacting us today. I think your mechanic is simply confused with the nomenclature, but there are (2) chains that comprise the timing system on a 2.2 Ecotec engine. The first is the timing chain, which is...
Question
Will the throttle body parts match
The only way to guarantee compatibility, fit, function, durability and service life, and so forth, of any vehicle part, is to buy the OEM part as vended by a GM dealer in your case. If you elect to use other...
Question
Heat and AC fan not working on 2007 chevy Cobalt.
You should first check the fuse labeled BCM 3 in the engine fuse box and then if it is good then check blower motor for power when system is on? If blower has power but does not turn then try...

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