Engine miss--87 900S 16 Valve Please Help - Saab 900 Bulletin Board - Saabnet.com
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Engine miss--87 900S 16 Valve Please Help
Posted by Bill Burrows [Email] (more from Bill Burrows) on Mon, 15 May 2006 21:23:58
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After 300,000 miles I know the Saab is tired, but it has been maintained. I seem to have a miss--maybe dropping a cylinder? I did not have a chance to do a compression check, but I did replace the plugs which were worn--NGKs. Cap & rotor look OK, but were NAPA (I should go back to Bosch)--wires are Bougicord--50K old but look OK. One injector seems to be a bit leaky. O2 sensor is old and original . Honestly I did a tune up 2 yrs ago--25K miles since last tuneup--so any other ideas. I hope it isnt the head gasket--no steam or smoke and no CEL. Air Mass meter was replaced 50K ago--Bosch rebuilt. Any other ideas?
Fuel mileage, power--both dropped and engine is running a bit rough--though smoother w/ the new plugs.
posted by 68.36.7...
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