What can cause NO "MIL" (or CEL) light with key on?

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Nov 23, 2010 | 08:32 AM

#11

vtraudt

Thread Starter

2nd Gear

Joined: Jul 2008

Posts: 1,104

From: Brighton, MI

Quote:

Originally Posted by Dallas09

You need to check power to the ECU as someone already mentioned, do this buy checking the supply power to the ECU and check to see if any of the engine management fuses are blown.

I checked fuses 5, 28, 29, 32, 34.

Not sure hoe wot check the supply power to ECU.
But VAGcom shows no errors and communicates (if that proof that the ECU gets power?)