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Help car won't started

Old Apr 7, 2018 | 4:13 PM
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Default Help car won't started

Hi there, new to the forum. I have a 2006 Cobalt with the 2.2l.. Last time I drove the car it was making a loud knocking noise so I' parked it. It has been about 6 months since it was driven last so the battery was dead. I charged it up but now when i try to start the car it fires off but doesn't start up. I get the message Eng Pwr Reduced and the car will not start. I was going to sell it to a neighbor but can't start it. What would be the first thing to start with.. I did pul get code P0601. Any help in getting this thing started would be great. Thanks in advance.
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Old Apr 22, 2018 | 8:05 PM
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anyone got any ideas.
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Old Apr 23, 2018 | 12:15 AM
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if the codes are stored (not active), clear them out and try to restart the car. when a battery slowly dies....modules lose communication and this sets codes. If any codes reset, post them here.

did you swap out or replace any modules?
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Old Jun 11, 2018 | 5:11 PM
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This code is common when the PCM isn’t getting a full 12 volts.

it could possible be a bad ground as well.

The worst case case is a bad PCM or a PCM that needs reflashed.
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