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Multiple Misfires 900 1996

posted by  Cozadc on  Mon Aug 29 15:03 CST 2011
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last visit: Mon Aug 29 14:56 CST 2011
[RELATED]

I have a 1996 960 with multiple cylinder misfires. It ran horribly. Changed all 6 coils and replaced connectors (badly corrodid) with OE Volvo parts.
Runs better (still a slight miss on acceleration) but it is still throwing PO300, PO301,P0302,P0305 and P0306 codes. I believe it is a lean miss - the oxygen sensor (upstream) is stuck lean - and the downstream sensor is is showing ) volts. The oxygen sensor fuse was blown - changed it and still no change - fuse did NOT blow again. Ideas?






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