2000 Dics codes P0446 and 1174

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12-02-2011, 11:44 AM

Mclaint

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2000 Dics codes P0446 and 1174

I have a 2000 Disc 2 with 189,000 miles new O2 sensors. But I’m now I'm still getting two codes P0446, 1174 does anyone have a clue where I should start .
I put in new plug wires and plugs,Gas Cap and coil pack. And I only use 93 octane gas

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12-02-2011, 12:45 PM

Savannah Buzz

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P1174 -

Additive injector adaptive fuelling - lean limit exceeded

RH bank

P0446 CVS valve / pipe blocked

Your CVS is blocked. Don't believe you can clean this, but might try some sort of injector cleaner added to gas.

Page from RAVE. By the way, if you have the RAVE, you can use your search feature to go right to any code number.

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