3-Series (E36)Chat relating to the BMW 3-Series from 1992-1999. Autodoodad
Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.
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I have a 1995 318ti. I had mufler work done and as they welded a pipe, they grounded the Arc Welder to a oxgen senser. When the welding was done, the car would turn over but not start.
I belive the ECU may have been damaged. Does anyone have any advice or experince with this.
Graham gprentice@trebnet.com
Arc welding any vehicle without taking precautions to protect the electrical system is asking for trouble. Us E36's have an inbuilt diagnostic routine which you can access by following this procedure Pelican Technical Article: Reading BMW Fuel Injection Fault Codes other than that, you need to check all the fuses, then try and pull the diagnostic fault codes using sofware like INPA, DIS or even Carsoft. You will find more info on diagnostics here Diagnostic Software - Bimmerforums - The Ultimate BMW Forum .
I have tried to run a code check on my car and the Check engine light flashes but does not show any codes. Is it possible i am not activating the system properly or is the ECU fried and not allowing the codes to show up?
If the DME is damaged it certainly will not return any diagnostic codes, but other things like blown fuses, damaged DME relay etc. will also prevent trouble codes from being generated.
Whenever you are doing any weilding on a car you should disconnect the battery to isolate the electrical system. The shop doing the work should have known this, and their insurance should cover their lack of precaution. Connecting the wielders ground to an electrical component is just asking for trouble, they should have used part of the exhaust mounting or piping as a ground.
yeah yeah i'm hip...i'm hip..they used the exhaust system right where the O2 sensor is. The shop was a friend of mine......no recourse. My mistake. Very simple weld which two shops didnt want to do and one quoted $1200 to replace all parts. the weld worked out great....but electical problems may cost more.
Hi,I had just bought a auto diagnostic tool---BMW Multi Tool V2.3 for my car,It is can read and write code,key programmer ect,may be you can get one to read the fault code to see if it is ECU damage,and you can got ECU there either.Good Luck...The shop web is xcardiag.com.
Hi,I had just bought a auto diagnostic tool---BMW Multi Tool V2.3 for my car,It is can read and write code,key programmer ect,may be you can get one to read the fault code to see if it is ECU damage,and you can got ECU there either.Good Luck...The shop web is xcardiag.com.
Don't buy this. It's Chinese crap. Don't let them take your money.
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