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Mass Air Flow Sensor

Paul Grainger

Active Member
Joined
Dec 15, 2002
Messages
372
Location
UK
Car
SL55, Porsche 996 C2 convertible
Erk...

I have replaced my MAS sensor (320 engine), but now my electric cooling fan starts up approx 20 seconds after I start my engine, then runs continuously.

Any ideas?

Paul G
 
When I replaced mine a couple of weeks back the workshop told me they needed to do an ECU reset afterwards. They also told me that disconnecting the battery was not sufficient.
 
mmmmm - tried the old unit back in again, and the fan is back to normal. How strange....

Paul G
 

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