1994 E420 Help

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1994 E420 Help

09-13-2007, 11:29 PM

deanyel

Registered User

Join Date: Aug 2003

Location: Phoenix

Posts: 3,726

Quote:

Originally Posted by juribe2

Code 4: "Air injection system faulty hot film mass air flow sensor with hot wire"

That's the code for an E320, not for an E420. For a 420 it's simply "air injection system faulty" - has nothing to do with the air mass sensor. It's telling you to check the LH-SFI / pin 4 for more codes.

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