I have a 1997 986, have alot of stored codes, car seems to have a very slight misfire, dont notice any drivabilty difference, smooth and normal power.
60k service was done at 59k, car now has 63k on it.
this car has the original Air Mass sensor 996 606 123 00
does not have the updated oil seperator
no vacuum leaks - smoke tested = OK
gas cap not loose
oil cap not loose
plugs look great
here are all my codes.
#27 O2 sensing range 1 cyl 1-3
#35 " " " 1 Cyl 4-6
#34 " " " 2 cyl 4-6
# 26 " " " 2 cyl 1-3
#21 " sensor aging before cat. cyl 4-6
#62 misfire emission related
#55 misfire cyl 6
#53 misfire cyl 4
#54 misfire cyl 5
#75 misfire damagine to cat
#68 misfire cyl 6 damaging to cat
#66 misfire cyl 4 damaging to cat
#67 misfire cyl 5 damaging to cat
#18 O2 sensor before cat cyl 4-6
any thoughts on this one will be appreciated!!
Thanks, Ron
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