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Old September 8th 17, 10:26 PM posted to alt.autos.bmw
Scott Dorsey
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Posts: 3,914
Default service engine soon light

> wrote:
>new to BMW 323i, and first time joining group.


What year, what engine, what configuration?

>had service engine soon light, come on and car was running not well at idle=
>.
>went to autozone and borrowed code reader, error was #3 cylinder missing, c=
>hanged plugs, seems to be running much better but light is still on, on oth=
>er cars I have had the service engine soon light could be cleared but I hav=
>e not read anything about that in owners manual.


That would likely be a thing you'd do with the service tool, if this is an
OBD-II car. On the other hand, it might still be pitching new errors.
If this is a model with a distributor, check the cap and rotor and. If it's
a model with individual coils, check with a timing light. Then use the service
tool (the autozone code reader _might_ work but might not, depends on the
model of reader and year of the car).

>does light reset automatically (maybe after some # of starts) ?
>does anybody have a e-copy of service manual?


You can get the service manual for a pretty reasonable fee on CD-ROM if it's
one of the years that are available from the dealer on CD-ROM. If it's older
than the CD-ROM sets, paper copies are plentiful. All depends on the year.
--scott

--
"C'est un Nagra. C'est suisse, et tres, tres precis."
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