Question about 2008 Pontiac G6 Sedan

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Will not start

Put on good used low mileage computer now will not even turn over

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Hey Sidney. On G6 it has a pass lock anti theft- in which your key is programmed into the computer. If the key is not programmed into the computer or ECM, then nothing at all, heres the steps, and where it says a new cut key on 1, ignore that, just use your key, and also you will need to take your g6 into the dealership and have them reflash the ECM, and program the VIN number into your new ECM, if not it might throw the check engine light.

1. Insert a new cut key in ignition and turn key to the ON position for
10 minutes and 30 seconds.

2. Within 45 seconds turn the key to OFF and then back to the ON position for
10 minutes and 30 seconds. 3. Within 45 seconds turn the key to OFF and then back to the ON position for
10 minutes and 30 seconds.

4. Turn key OFF then back ON. The key is now programmed.
Start vehicle to test key.

Posted on Jan 30, 2015

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SOURCE: put on good used low milage computer now wont start

check if have the same numbers en the tag because sometimes it's different code if is the same the computer is not good

Posted on Mar 22, 2014

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