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1998 BMW Z3 Roadster
Problem for BMW 1998 Z3 Roadster

Check engine light on 1998 Z3 BMW




By ronald1383 on Jun 16, 2009

" "
Why does Check Engine light come on?

Clarification Request

Posted by rejakwilson on Jun 16, 2009

It is to inform you that there is A Problem that Your ECM =>> Engine Computer, or BCM =>> BODY Computer have Detected and Stored A Code to A PROBLEM . This CODE will give Mech/Tech's Information as to What & Where the Problem Is. You should Have your Local Auto Parts Store READ this Code If You Would Like For Us @ Fixya to Help resolve the Problem for you.
Do you HAVE the Codes? ALSO You Can Purchase a "CODE READER" Yourself, There are A Number of Different types of them and for Someone that is NOT A Tecknician that Needs A Realy Good one Stay away froom the really Priciy ones and Complicated ones as all You Need is to READ Code on your Personal Vehicle.

Solution #1

posted on Sep 16, 2009
Not Rated)

dpsk

Rank: Apprentice 
Rating: 0%, 0 votes
my trip computer posts ppp after a winter storrage
disconnection from the battery

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Solution #2

posted on Aug 19, 2009
Not Rated)

johnz1313

Rank: Guru 
Rating: 88%, 25 votes
BMW engine light

Comes on if DME engine management system self diagnostic fault detected. Will stay on until codes are called up and memory erased.

With OBD read the code as follows. Turn on ignition key, press accelerator pedal to the floor five times within 5 seconds. The check engine light will remain on for 5 sec , blik off, come on for 2,5 sec, go off for 2,5 sec and fault code will begin to flash. If more than one fault exist 2nd fault code will be separated by 2,5 sec pause. after fault codes there will be a 0.5 sec flash and light will remain off. to read codes again do procedure again.

Canceling of codes. make sure fault code is present (short blink and light goes out for long period), depress throttle pedal for at least 10 sec. read fault codes again and check for code 1444 (no faults stored.)

Check also the following, fuel pump, oxygen sensor, fuel injectors, engine coolant temp sensor, idle speed control valve, mass airflow sensor and too many other things.
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