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ERR HC help!


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Just got done with head work and put the engine back in....

 

1) ERR HC on the dash-temp gauge to full hot and not able to crank engine

2) Accessport won't turn on via OBDII port

3) buzzing sound behind glovebox when key is turned on (last a few seconds)

 

I've checked and re-made the grounds (1 on each head), and triple checked ground on the starter. Ive reconnected the engine harness ensuring its attached.

 

What else can cause this? I haven't done anything but "unplug" the ECU since teardown

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This situation is almost always engine grounds or harness not plugged in issues. I know you said you checked them but I have a feeling that is what you will find is causing your issue. Expecially with the ap not booting up.

 

Dave

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