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Saab Forums - Saab Enthusiast Forum (https://saabforums.com/forum/)

- 1994-1994 900 (https://saabforums.com/forum/1994-1994-900-30/)

- - Check Engien Light (https://saabforums.com/forum/1994-1994-900-30/check-engien-light-1495/)

Saab Fahrer

02-03-2009 03:25 PM

RE: Check Engien Light

High CO indicates a rich mixture. So the failed emissions and the increased fuel consumption are related. Now its just a matter of "why". It is possible that the Lambda sensor has failed and is falsely telling the ECU to add fuel. Poor grounds and poor connections can cause this. I seem to remember an in-line connector somewhere that was common for corroding, causing bad Lambda readings, but I don't remember where it is off hand.

Roto	02-03-2009 03:49 PM

RE: Check Engien Light

Do you mean the connector around the throttle body area?

Roto	02-03-2009 03:51 PM

RE: Check Engien Light

Quote:

ORIGINAL: Docen

No, should I do that whit taking the minus pole off in about 10 minutes? and then put it back on ?

Yeah, you've got the procedure about right:)

Docen

02-03-2009 04:15 PM

RE: Check Engien Light

Okei :)

Roto : Can you list up all the things I should Try befor buying a new Lamda?

That I would really appreciate !!

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