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ENGINE FAULT LIGHT IS ALWAYS ON DESPITE CHANGING THE CAM…

ENGINE FAULT LIGHT IS...

ENGINE FAULT LIGHT IS ALWAYS ON DESPITE CHANGING THE CAM SENSOR TWICE!

Mechanic's Assistant: Just to clarify, what are the exact lights you're talking about?

THE CHECK ENGINE LIGHT ON THE DASHBOARD

Mechanic's Assistant: What is the model/year of your BMW?

2000 316i M43 GASOLINE ENGINE

Mechanic's Assistant: Are you fixing your vehicle yourself? What have you tried so far?

YES, CHANGED THE CAMSHAFT SENSOR TWICE, THE IDLE VALVE, ALL THE FILTERS, AND OIL OF COURSE

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

I HAVE CHANGED THE SPARK PLUGS, AND MY LITTLE FAULT CODE READER ALSO SAYS FUEL TRIM FAULT?

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Answered in 24 minutes by:
8/26/2017
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: BMW
Satisfied Customers: 4,814
Experience: Owner at Carolina Auto Service & Sales , 20 years Experience in Foreign & Domestic vehicles
Verified

Hi, I'm Chad. Welcome to JustAnswer. I'm reviewing your question and I will be posting your reply ASAP.

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Hey how are you

your basic code reader ,shpuld have given you a generic fault code number ,what are these fault code numbers

the fuel trim fault , was it indicating a negative numbver like - 10% or was a positive number + 15 % , do you know

not sure if the scaner u have can read live data or not

MAF sensor been checked ,cleaned or replaced ?

if you unplug maf ,does engine rpm surges up

lets start here & we go from there

Please let me know

Thank You

Chad Farhat

ASE Certified Technician

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Customer reply replied 5 months ago
Hi
The scanner is an Autel maxiscan. The MAF has been changed for a new one, the camshaft sensor code is 0340 and there is no +/- figure for the fuel trim , the code is 0170 haven't tried unpluging the MAF.Tom

hey tom , unplugged and let me know

the 170 could be related to o2 sensors are they original ?

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Customer reply replied 5 months ago
Hi Chad
I disconected the Maf and the engine coughed and died, the O2 sensors are original as far as I know. 17 years old??
That tells MAF working , I would do a smoke test and fuel pressuer test if it passes and changer all the sensors
Sorry for the wait I lost my interest connection ,
Let me know what happens
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Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: BMW
Satisfied Customers: 4,814
Experience: Owner at Carolina Auto Service & Sales , 20 years Experience in Foreign & Domestic vehicles
Verified
Chad Farhat and 87 other BMW Specialists are ready to help you
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Customer reply replied 5 months ago
Thank you for your help.
I will organise the things you said and let you knowTom Brockbanks

Hey Tom

That sounds good

Keep me updated I will try to help you with it

I'm online Daily from 7 AM till late Eastern Time Zone .

Please let me know

Thank You

Chad Farhat

ASE Certified Technician

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Chad Farhat
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: BMW
Satisfied Customers: 4,814
4,814 Satisfied Customers
Experience: Owner at Carolina Auto Service & Sales , 20 years Experience in Foreign & Domestic vehicles

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