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Author Topic: Ignition system failure, no spark.  (Read 13882 times)
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« Reply #15 on: May 06, 2023, 02:05:18 PM »

Success, the M3.8.4 Ecu I got is adapted to the car.
I just needed to read out the immo PIN code from the cluster with VAG Commander and then adapt the ECU with VCDS.
So now the car runs on all cylinders, no hesitations.

Sadly the idle is quite high.
And from the exhaust it is a real smokeshow.
Maybe alot of fuel and oil residue in the exhaust/manifold and the catalytic converter?

The car arrived just working on two cylinders.
Oil in the sparkplug wells.
The oxygen sensor was shot too.

Audi A4 Avant 1.8t Quattro -2001 (AWT)
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