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Cobalt

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Question
I have my engine light on, and it popped up as "multiple misfires". I already replaced fuel injectors, coil boots, and spark plugs.
Hi there. For the engine to stall out at a stopped position, then there could be a vacuum leak. Check to see if the engine will stall out when running at idle in park or neutral. If the engine does,...
Question
Clanging coming from the driver front - motor mounts? 2009 Chevy Cobalt
Hi there - there are 3 {motor/transmission mounts](https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-engine-mount) for the engine and transmission - which mounted as a single unit. The rattling noise could be a number of things depending on when the car is making the noise - while...
Question
Yesterday my whole car cut off its said on the display battery saver on n check charge system i dont know what to do my wont even
Hello. The alarm system must be able to draw power from the battery in order to work while the vehicle is off. Due to the recent after market installation, it is likely the vehicle's battery and charging system have been...
Question
Intermittent whistling sound coming from front of car
Hi there: The sound you're describing is very similar to a serpentine or drive belt that is beginning to show signs of being loose or damaged. As the belt progressively gets looser, this noise will become more noticeable until it's...
Question
Car rpms were very high before it shifted gears. Every time I stop it happens again 2006 Chevy Cobalt
Hello - there are two possible causes of the "high RPM before shifting" behavior you are experiencing. The engines throttle position sensor, which communicates "power request" to the transmission as well as to the engine, may be worn out and...
Question
Fuel pump switch
There is no inertia switch in your vehicle. If fuel is not getting to the engine, suspect a faulty fuel pump. There is no externally mounted fuel filter on this vehicle and the fuel pressure regulator is part of the...
Question
I got my brake booster replaced that same day I noticed my brake pedal being to high up hard to push up and the shifts no respond
Hi there. Honestly, I'm somewhat confused as to why the brake booster was replaced by the repair shop, when your vehicle was 100% perfect taking it to the shop. The symptoms you have described are that of a failed brake...
Question
Rear brake clicking noise after putting on a set of shoes and drums.
Hi there. Check the hardware to the shoes and see if the springs are sprung. A loose brake return spring will cause a clicking sound as its touching the drum when the brakes are applied. If the springs are the...
Question
Car wont start
Hello there, many common faults will cause a no start condition on your 2008 Chevrolet Cobalt. The most common fault is the battery, it must be load tested and show the capacity to be able to start the vehicle. After...
Question
My car gas pedal stop working. The engine power reduced turn on.
Hi there. The reduced power light is on for the computer putting the engine into limp mode for something went wrong. If your gas pedal is not functioning correctly, then the pedal has lost communication to the computer and to...
Question
Car feels like it's floating
Hello, this is a serious issue, if something like that has change with your vehicle. The vehicle’s front suspension need to be inspected as soon as possible. I would seriously think about not driving till then. If you'd like, a...
Question
When I turn on the starter switch it will click, but will not start.
What you are describing is likely a fault in the starter motor circuit which includes all of the wiring, fuses, relays, ignition switch, starter solenoid, starter, and battery. Somewhere in all that, there is a fault. Occasionally, the fault is...
Question
Flapping noise when braking
Hi there: It's highly possible that the source of your front end noise is a faulty or worn out wheel bearing. In most cases when the wheel bearings wear out, the noises are caused by lack of lubrication or metal-to-metal...
Question
Car is chugging at low speeds and then stalls when I stop.
This may be related to a dirty or failing idle air control valve. The idle air control valve reads the air intake as it is mixed with fuel prior to being injected into the engine at low speeds and at...
Question
Nothing happens when the key is turned and now the key is stuck not even the hazard lights work car won't come out of park either.
It is very possible the ignition switch is at fault. This is a known issue with the 2005-2007 Chevy Cobalt. These models are part of the General Motors Ignition Switch Recall. Contact your local Chevy dealer service department and provide...
Question
The cooling mood on my 2007 chevy cobalt came on out of nowhere. I had a guy pour antifreeze in and it was okay until yesterday.
Hi there. Check the coolant level to see if there is any coolant in the radiator. If there is no coolant in the radiator, then fill up the radiator with water and perform a pressure test. Check to see where...
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
clutch stuck halfway.
Hello, the clutch system has a hydraulic and mechanical operation. You could have two issues. The hydraulics assist in releasing and applying the clutch. There is a pressure plate that reacts to the clutch pedal, if the pressure plate has...
Question
The code p0977 is appearing when scanned the cars computer.
Hi there. Look at the transmission pins where the harness connects. You will see 4 pins in a line. The second pin from the left on the 4 pin line up is for the shift circuit 'B'. I recommend dropping...
Question
Intermittently, the transmission will start shifting poorly, and the gauges will start to behave erratically.
Problems like these can be tough to diagnose as it seems several systems that share communication are acting up at once. If the vehicle history shows it was in a accident or maybe a flood, there may be a circuit...

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