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General E46 Forum
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Old 11-26-2014, 06:03 PM   #1
Dice9309@yahoo.com
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Location: Rio Grande Valley
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Arrow 2000 323i O2 sensor "Incomplete"

I've had my O2 Sensors reading "Incomplete" for quite some time and I doubt any of the previous owners changed them so I changed all four (Pre and Post Cat) and still have the Emissions Readiness Reading "Incomplete".

I'm using Pro Torque with an ELM reader

Is there a method to reset this the Emissions Readiness?
My Evaps is "Complete" Though.
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Old 11-26-2014, 06:11 PM   #2
Dice9309@yahoo.com
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No CEL Codes.
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Old 11-26-2014, 07:23 PM   #3
jfoj
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How many miles and what type of driving have you done since the codes were cleared?

I would clear the codes/DME again, it will start the Emission Readiness Monitors and start the process over again.

A good car usually takes 2-3 days of normal driving that includes 12-15 miles of steady highway driving in the mix.

If you need to get an emission inspected, most states allow for 1 or 2 Readiness Monitors to not be cleared.
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Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose temp switch O-ring - BMW #13621743299
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Old 11-27-2014, 02:56 AM   #4
Dice9309@yahoo.com
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Thanks for your reply jfoj.
Just replaced Yesterday.
Car has 170k Miles.
Daily Driver avg over 50 Miles a day.
Inspection passed but i'd like to get this cleared.
Im a bit confused how to clear DME.
I recently removed my manifold and replaced/cleaned
MAF (R)
ICV (C)
Vacuum Lines (ALL)
Manifold Gasket (R)
Throttle Body (C)
Lower Intake Boot(R)
DISA Valve O-ring (R)
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Old 11-27-2014, 06:21 AM   #5
jfoj
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Wanted to know how many miles car had been driving since O2 sensors were replaced.

Just clear codes with OBDII tool, even if there are no codes, it will force a restart of the Readiness Monitors, they will initially all show as not clear.

See if all Readiness Monitors do not all change to Passed/Cleared within a few days.
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Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose temp switch O-ring - BMW #13621743299
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Old 11-27-2014, 12:27 PM   #6
Dice9309@yahoo.com
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Ok thanks jfoj.
Been looking through previous threads you helped.
This has alot information for anyone looking this up in the future.
http://forum.e46fanatics.com/showthr...1041726&page=2

Last edited by Dice9309@yahoo.com; 11-27-2014 at 12:28 PM.
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Old 11-27-2014, 12:44 PM   #7
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About 100 mi all expressway.
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Old 11-28-2014, 11:42 AM   #8
jfoj
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Clear the codes, even if there are none. This will restart the Readiness Monitors on a faster path.

See what happens.

100 miles should have been more than enough driving to flip the O2 sensors to Complete/Ready.
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Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose temp switch O-ring - BMW #13621743299
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Old 11-28-2014, 06:29 PM   #9
Dice9309@yahoo.com
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After 200 mi the 02 sensor is still not complete.

All other monitors are complete.
I ran "Test Results" and got the following

TID: $05 CID:$07
Rich to Lean sensor switch time(Calculated)

MIN: 3,932
Current 54 (another time I got 815)
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Old 11-28-2014, 06:53 PM   #10
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heres what i did since i failed my smog too for the first try because 3 monitors (02, catz, and evap) are not set..

i did this http://www.bimmerfest.com/forums/sho...0&postcount=13

after the above i drove the car and follow this http://www.bimmerfest.com/forums/sho...67&postcount=4 as much as i can.. after 60 miles and around 30minute driving all 3 are set.

pass the smog second try.. worth a shot..

BTW drove the car around 6am in the morning before going to my 8am work so no traffic and no cars yet..
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Old 11-28-2014, 07:04 PM   #11
jfoj
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Time to record and fingerprint the O2 sensors to make sure something is not wrong.

You have the tool, just need to set up and finger print the O2 sensors.

Something like this - http://forum.e46fanatics.com/showthread.php?p=16203126

So did all the Readiness Monitors pass this time?

What is the engine operating temp while cruising on the highway?
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Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose temp switch O-ring - BMW #13621743299
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Old 11-28-2014, 07:54 PM   #12
Dice9309@yahoo.com
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All but o2 sensors
203f
live in south texas temp is in the 80s atm
setting up the finger printing
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Old 11-28-2014, 08:31 PM   #13
jfoj
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A few things to look into -

http://forum.e46fanatics.com/showpos...0&postcount=27

http://forum.e46fanatics.com/showpos...0&postcount=26

O2 Sensor finger printing - http://e46fanatics.com/forum/showthread.php?t=1051941
__________________
Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose temp switch O-ring - BMW #13621743299
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