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Discussion in 'Engine' started by c200Kompressor, Sep 6, 2008.
Hello! Can I drive my C180 with the MAF (?) disconect?
Yes. The ECU will adopt limp home mode.
Thank's. But the ECU will be in trouble? It's a sensor that isn't work...
And the real problem is that a new one cost (here) 300€, and a used one cost 100€. Buy the way it's possible to change the little wire in side?
The ECU will work with no MAF input, it will just adops a preset map with substitute values.
Measure the output voltage from the MAF at different revs throughought the range on pin5 before condemning it. There is no repair once duff.
Disconnecting the MAF is the first step in diagnosing if it is faulty. If after disconnection there is no change in the feel of the car then the ECU is already ignoring it because of a fault. Like Dieselman says, it's using a set of preset values.
A used one is a waste of money. You can buy new PIERBURG insert sensors for less money from Eurocarparts. http://www.eurocarparts.com/default.asp
Be prepared to give them full details of your car- make, model, engine size, date of manufacture, chassis no etc so they can give you the correct insert.
A pierburg one will work but won't be exactly right, a Bosch one from a Bosch dealer would be better.