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3

Two things come to mind, the blend door motor seized while trying to home (not that uncommon an occurrence after disconnecting the battery or if it dies) or you need to home the controller/motor. The homing /calibration is as follows: set the temp controls to a little over 1/2 set the fan on medium (3) turn the ignition off remove the HVAC fuse or ...


2

There appears to be a similar case on the Cobalt forum, where compression test figures are reported to be around 220 psi, roughly double what you're reporting. If this is the case for your vehicle, it would seem that the problem is related to a lack of compression and not fuel, air or spark.


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You need to jump start your car. Pop the hood. You'll see something like this: Inside the green circle is the positive jump point. Connect the red jumper cable clamp there first. Find an unpainted ground spot and attach your negative clamp there. Once connected to the donor car, you'll have power to do what you need ... either start the car, or pop the ...


1

On GMs the only time the engine power reduced message is displayed is when there's a fault with the electric throttle, throttle position sensors or the accelerator pedal position sensors. Depending on mileage and the code you may need to have a throttle service done. Personally I wouldn't worry about engine temp running around 200*F. if it's a concern you ...


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Turns out the problem was the key security system. Apparently the switched voltage reset the key security, which caused my key to not be recognized by the car. After getting the security reprogrammed to accept my key, the car works as usual.


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A common culprit for that error is the throttle by wire system. If the car senses that something is the matter with either the throttle body or the gas pedal it will reduce power. The best way to verify this is to have the codes pulled. You should see a code for the throttle body or the gas pedal.



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