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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 02-20-2010, 12:07 PM   #1
abrogan0319
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Join Date: Oct 2009
Location: Raleighwood, NC
Posts: 34
My Ride: M3 6spd
evap problems and advice

about a month a go i had my evap smoked fro a small leak and found the cause to be the charcol canister. i will be replacing with in the next week or two.

i connected my computer to a diag machine and have been pulling these codes on the regular. i have been told these codes are in affect due to the evap charcol canister being inop. can anyone please verify with me on this data?

codes as followed

P1250- P12XX Manufacturer Controlled Fuel and Air Metering
P0340- Camshaft Position Sensor A Circut (Bank 1 or Single Sensor)
P0136- O2 Sensor Circuit Malfunction (Bank 1 Sensor 2)
P0442- Evaporative Emission Control System Leak Detected (Small Leak)

thanks in advance.
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Old 02-20-2010, 12:20 PM   #2
ChasCan
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Join Date: Jan 2010
Location: Connecticut
Posts: 1,066
My Ride: 2001 330xi
Best bet is to repair the known problem first (charcoal canister), clear the computer memory and see what codes come back when the SES light comes back on. Then repair those codes one at a time in the direct order they appear on a quality scan tool, not a code reader.
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