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code 2-3-1 900 1995

posted by  Laozong on  Tue Jun 7 20:18 CST 2005
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last visit: Sat Mar 27 21:43 CST 2010
[RELATED]

940 non-turbo

Car is acting strange. First there was this hesitation, then difficulty in climbing slope, next backfiring in bonnet, and now lambda code 2-3-1 and 2-1-2.

Hesistation started mild but now quite frequent, and takes about 3-5 second before car surge. Slope will also prolong hesitation time. If I press all the way to the floor while hesitating I get a popping sound in front.

Swapped two used MAF meter but with no apparent success. The first one made driving even worse. Second one was better but problems remained. Code 2-3-1 means weak fuel supply. 2-1-2 is for O2, which should not be because I just changed a brand new volvo part some two months back.

What could be wrong? What gives rise to 2-3-1 anyway. Book does not explain reason or cause for 2-3-1. Where do I start looking? Advice badly needed. Please help!

Thanks.
Laozong






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New code 2-3-1 [900][1995]
posted by  Laozong  on Tue Jun 7 20:18 CST 2005 >


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