Light just came on 2 days ago. No noticable driving problem . . . maybe running a tad rough(but its due an oil chg). Autozone chk'd it and gave me P1423 Volkswagen, & P1423 Suburu info on printout. Any ideas would be greatly appreciated. BTW...I knew a guy that drove over a year w/chk eng light on before car started running erradically. Turns out it was the Cam Position sensor...once changed it ran like a top. Thanks from a retired ole' vet.
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Re: 97' BMW Z3 chk eng light code 1423
Code P1423 for a BMW is secondary airflow sytem bank 1, consult your repair manual and you can go from there. I am not up on imports to be honest but I was able to find out what the code means for you. hope it helps.
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1st when the
airbag light is on the system is disabled, so if u have an accident
they will not work, as to the common cause read below. When
the airbag light is on it means a fault has occurred in the system
and the airbag diagnostic monitor has disabled the system, the most
common problem that turns the light on is a break in the connection
to the steering wheel mounted airbag, this is due to a rotating
ribbon contact that breaks under the steering wheel that connects the
airbag to the wiring harness and the diagnostic monitor, the part is
called th clock spring contact, a coiled up ribbon electrical contact
that turns with the wheel
The check engine light is because all check engine light codes are caused by components that affect emissions. It's not actually an engine problem, it's a problem with either your O2 sensor, MAF sensor, fuel/air ratio, pyrometer, or exhaust. ------------ BMW OPS diagnose and programming tool
Your mechanic did a good test by externally adding more fuel to the engine. The fact that the addition of the extra fuel to the engine changed the engines behavior would suggest he is on the right track.
That sounds like you bought big problems. Oil ights indicate low oil pressure= BIG BUCKS. I would have a qualified repair shop check it out, A shop that specializes in BMW. If you are lucky, maybe the oil sender is just bad. They can also check out the Ck eng light. But the oil light is priority one.
It looks like misfiring in one cylinder. That is why check engine come on. Misfiring can be due to spark plugs/wiring/worn distributor cap. Maybe also vaccum leak and clogged injectors (use injector cleaner).
You can read the trouble codes at Autozone store for free
Please kindly let me know if this infor was usefull for you or you need more infro
This means that your car has registered a problem with the exhaust emission. This generally means that your car is either running too rich or too lean as a consequence of another problem. This can be caused by a large number of faults from an air leak in the intake system to a hole in the exhaust system or even an oxygen sensor problem.
This particular car is famous for a rubber crankcase breather hose at the back of the block persishing letting in unmetered air. The hose runs from the back of the rocker cover to a small disc shaped diaphragm on the underside of the inlet manifold. This diapragm is also prone to failure and sometimes can be identified by a hissing noise when the engine is switched off.
Failing this, you will have to have the engine management fault codes read to narrow down the problem.
This engine is generally inexpensive to repair due to it's good reliability.