Fault codes read

[99bmw528i]

ok i have a peake research code reader.. well today its said

F3 misfire cyl #6
E6 pre cat 02 sensor slow response time cyl #4-6
E4 02 sensor adaption limit cyl #4-6

i was just wondering if i fix problem 1 it mit fix problem 2 and 3...
or the 02 sensor need to be change and that will fits the problem...
thank Ray

is a 1999 528i
Engine m52tu
production date 1998/12

[golfgod41]

wow nobody to help you? i have the same car, but i think its as you said...change that plug in # 6 (actually, change them all) and reset the CEL and you should be fine...let me know if it does help...we have 4-O2 sensors and they are pricey!!! would love to know if you fix that issue

[marti5]

If your going to change one plug you may aswell do the set, as if ones already gone the rest will follow suit, change the plugs first and see what happens, if the o2 code comes up again then change the sensor. If you do alot of short journeys this will clogg up the o2 sensor, so after youve changed the plug/plugs take it for a good run,then do another code read.

[99bmw528i]

Problem fixed.... i changed the plugs 6 months ago so i pulled the plug in cyl 6 and it had some oil on it.. so i looked and looked it seemed to be the gasket around the plug and i the valve cover.. so i changed the valve cover and the spark plug gaskets... So fur so good drove over 100 miles and no problem... all is well...

[witeshark]

Glad to see that you resolved your issues!

[marti5]

Well done, result.

[golfgod41]

sweet!! another cheap fix on a BMW!!! gotta love that