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Old 04-23-2015, 12:06 PM   #1
Chowda633
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Location: West Greenwich, RI
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Multiple codes 228,227,202 and 203 and all cyl misfiring?

My E46 has been nothing but issues since I fixed a burnt valve a few years ago it has never run right since. I ended up giving up over a year ago and buying a 525i lol. Finally got motivated end of last year and took it to the 30th mechanic after I could not come up with anything else and he used his super computer to figure out that I had a bad secondary air controller, the 02 sensors where backwards, and a few other minor things. And he said I had a bad maf.

Fixed all of that except for the maf. Now post winter I bought the exact part numbered Maf off ebay used. I had tried a aftermarket one before and that seemed to be a problem as well.

I put in the used maf today, And boom codes all over the place! Every single cylinder was misfiring according to the computer but it seemed to run ok. I own a snapon modis computer now.

Did some research, most people are leaning towards the maf, I swapped back in the "aftermarket one" and no misfire codes but 4 codes continually come up:

227 o2 Bank 1 Control Deviation
228 o2 Bank 2 Control Deviation
202 o2 Bank 1 Control Limit
203 o2 Bank 2 Control Limit

NOW I just installed 2 brand new o2 sensors because when I had them backwards I burned them up!

I dumped 1,000's into this car ready to burn it to the ground. Literately whole top end has been replaced at this point.

From what I have been reading on those codes people are saying could be a vacuum leak on the intake side. Could be possible. New intake boot in there as well. Going to build a smoke tester seems the most logical way to go at this point.

Am I on the right track here? And should I send that maf back? They do not need to be programmed correct?

Thanks for any input.
Josh
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Old 04-23-2015, 12:11 PM   #2
forzam
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They don't need to be programmed. Is it a Genuine BMW MAF or VDO/Siemens?
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Old 04-23-2015, 12:13 PM   #3
jfoj
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O2 sensors wiring swapped should not burn them up, not sure what is going on.

Also BEWARE, depending on who did the work, the Pre and Post Cat sensor wiring can also be mixed up.

As for MAF issues, be very careful here, there are a lot of Asian clone/counterfeit MAF's on the market.

Not sure what tool you are using to gather codes, but get a generic OBDII tool, it is a MUCH better tool for the job.

So the very next thing you need to buy is a OBDII App for your smart phone or tablet. These are between $4-$10. You will also need an OBDII wireless interface and these are typically under $20. So for $30 or less you will have your OWN OBDII tool, which you WILL need.

iProducts, OBD Fusion and an OBDII to Wifi interface like this - http://www.amazon.com/ieGeek%C2%AE-W...ds=elm327+wifi

Android, Touch Scan and an OBDII to Bluetooth interface like this - http://www.amazon.com/Version-Blueto...m327+bluetooth

You need to read the first 2 links below in my signature.

Need to see Freeze Frame info if the SES/CEL/MIL is on and Fuel Trim values at both warm idle and a steady highway cruise between 45-60 MPH.

Read this thread - http://forum.e46fanatics.com/showthread.php?t=1057387

Read my "BMW 20 Questions" comments in this thread - http://forum.e46fanatics.com/showthread.php?t=1059972

Search YouTube for Scotty Smoke Test. Do what Scotty does or build a tester from related video. Remove the oil fill cap and make sure the crankcase fills up with smoke, put the oil fill cap back on and check for leaks around the valve cover, oil fill cap, dipstick tube and CCV hoses. Cracked valve covers are pretty common on the E46 as it ages.

Also read this info:

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

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

Last edited by jfoj; 04-23-2015 at 12:14 PM.
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Old 04-23-2015, 12:30 PM   #4
Chowda633
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Quote:
Originally Posted by forzam View Post
They don't need to be programmed. Is it a Genuine BMW MAF or VDO/Siemens?
Genuine BMW MAF the one I got from Ebay. The other one is asian knockoff. The one that was original to my car is defiantly dead it will not run right period.
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Old 04-23-2015, 12:34 PM   #5
Chowda633
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Quote:
Originally Posted by jfoj View Post


O2 sensors wiring swapped should not burn them up, not sure what is going on.

Also BEWARE, depending on who did the work, the Pre and Post Cat sensor wiring can also be mixed up.

As for MAF issues, be very careful here, there are a lot of Asian clone/counterfeit MAF's on the market.

Not sure what tool you are using to gather codes, but get a generic OBDII tool, it is a MUCH better tool for the job.

So the very next thing you need to buy is a OBDII App for your smart phone or tablet. These are between $4-$10. You will also need an OBDII wireless interface and these are typically under $20. So for $30 or less you will have your OWN OBDII tool, which you WILL need.

iProducts, OBD Fusion and an OBDII to Wifi interface like this - http://www.amazon.com/ieGeek%C2%AE-W...ds=elm327+wifi

Android, Touch Scan and an OBDII to Bluetooth interface like this - http://www.amazon.com/Version-Blueto...m327+bluetooth

You need to read the first 2 links below in my signature.

Need to see Freeze Frame info if the SES/CEL/MIL is on and Fuel Trim values at both warm idle and a steady highway cruise between 45-60 MPH.

Read this thread - http://forum.e46fanatics.com/showthread.php?t=1057387

Read my "BMW 20 Questions" comments in this thread - http://forum.e46fanatics.com/showthread.php?t=1059972

Search YouTube for Scotty Smoke Test. Do what Scotty does or build a tester from related video. Remove the oil fill cap and make sure the crankcase fills up with smoke, put the oil fill cap back on and check for leaks around the valve cover, oil fill cap, dipstick tube and CCV hoses. Cracked valve covers are pretty common on the E46 as it ages.

Also read this info:

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

http://forum.e46fanatics.com/showpos...0&postcount=26
Huge thanks for the great reply going to work on all of this, here is some answer to the questions though.

The o2 sensors where most likely killed by me driving around like that for months.

- I did the work, DIY it back then for taking it apart and putting it back together. Head work was done by shop. Also did vanos seals while I was in there.

- I have a Snapon Modis, 7k dollar computer. Best money can buy for a scanner. Has the generic obII function as well as a million other things. I also have a generic scanner as well. The Modis has the European software for the BMW's as well.

I own a fog machine was going to see what I could rig up with that?
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Old 04-23-2015, 12:35 PM   #6
jfoj
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Quote:
Originally Posted by Chowda633 View Post
Genuine BMW MAF the one I got from Ebay. The other one is asian knockoff. The one that was original to my car is defiantly dead it will not run right period.
You do not get a "known good" genuine MAF on ebay typically.

If you have the orignal MAF, hang onto it.

MAF is not likely your problem, plenty of other problem areas to rule out first.

Failed or counterfeit MAF's rarely cause misfiring, but they can cause Lean codes.
__________________
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 04-23-2015, 12:40 PM   #7
Chowda633
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Wow that thread is fing amazing! Will get on this asap will post back results here.
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Old 04-23-2015, 12:42 PM   #8
Chowda633
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Quote:
Originally Posted by jfoj View Post
You do not get a "known good" genuine MAF on ebay typically.

If you have the orignal MAF, hang onto it.

MAF is not likely your problem, plenty of other problem areas to rule out first.

Failed or counterfeit MAF's rarely cause misfiring, but they can cause Lean codes.
Its odd that the MAF from ebay causes the 6 misfire codes almost instantly, does the 1,2,3 then 456 about 5 min later. And then the o2 sensor codes I mentioned in the original post.

The aftermarket MAF only throws the o2 sensor codes, and no misfire.

The original one I have not tried with the new super computer. Car acts like the maf is not even on the car from what I remember. I was going to order a maf from hyundai? What are your thoughts on that one.
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Old 04-23-2015, 12:58 PM   #9
jfoj
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Forget about the O2 sensor codes for now, they are NOT O2 sensor codes, they mean the O2 sensors are seeing a very Lean mixture which means they are working at least halfway decent for the moment. If they have been replaced, were they replaced with "direct fit" or did you have to splice the connectors to the pigtail?

Double check the O2 sensor wiring and make SURE when the head was pulled that the O2 sensor wiring is correctly installed for BOTH the pre and post Cat sensors.

A proper smoke test is important, this will allow you to find obvious vacuum and/or crankcase air leaks. You must pull the oil fill cap until smoke appears, then cap the crankcase off again.

Really need to see Fuel Trim data and Freeze Frame data.

As I recall one other thing to verify is that the DISA and Purge valve cables are not backwards.

Just unplug the purge valve and see if anything changes. The purge valve is under the front of the intake.

The problems you are chasing are likely very simple to sort out.

Good luck.
__________________
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

Last edited by jfoj; 04-23-2015 at 12:59 PM.
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Old 06-02-2015, 11:52 AM   #10
Chowda633
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Quote:
Originally Posted by jfoj View Post
Forget about the O2 sensor codes for now, they are NOT O2 sensor codes, they mean the O2 sensors are seeing a very Lean mixture which means they are working at least halfway decent for the moment. If they have been replaced, were they replaced with "direct fit" or did you have to splice the connectors to the pigtail?

Double check the O2 sensor wiring and make SURE when the head was pulled that the O2 sensor wiring is correctly installed for BOTH the pre and post Cat sensors.

A proper smoke test is important, this will allow you to find obvious vacuum and/or crankcase air leaks. You must pull the oil fill cap until smoke appears, then cap the crankcase off again.

Really need to see Fuel Trim data and Freeze Frame data.

As I recall one other thing to verify is that the DISA and Purge valve cables are not backwards.

Just unplug the purge valve and see if anything changes. The purge valve is under the front of the intake.

The problems you are chasing are likely very simple to sort out.

Good luck.
Going to try these few things mentioned. Finally broke down and ordered a OEM Maf from Four Green. I have a strong feeling this might be the issue. At least I know its the right maf in there. I got the knock off one connected now, still same codes no miss fire codes period. Used a cheapo scanner and I am just getting 4 o2 sensor related codes with the knockoff maf. With the big scanner I get those plus one: 211 Idle Speed Control Valve Mechanics
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Old 06-02-2015, 11:56 AM   #11
Chowda633
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These are the codes. The o2 heating one seems to come right on after clearing. The other ones show up all at once when the traction control, brake, and eml show up. Ordered new maf today should be in soon. Click image for larger version

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Old 06-02-2015, 12:16 PM   #12
Chowda633
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Ok on the generic scanner i have P1500 idle-speed control valve stuck open. Cleaned it not that long ago going to do it again and see what happens. Also unplugged maf, minimal motor change. Erratic idle as well now is fine when i turn car on and off again though
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Old 06-02-2015, 12:53 PM   #13
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Be careful here. The P1500 may be due to an air leak that does not allow the ICV to control the engine idle.

No disrespect, I have 2 SnapOn MODIS, but you would be better off with a $3.95 smart phone app and $20 interface.

Assuming there are no engine mechanical or timing problems, smoke test the intake and crankcase.

As long at the ICV moves freely, then something may be letting air bypass the ICV???
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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 06-02-2015, 01:12 PM   #14
Chowda633
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Originally Posted by jfoj View Post
Be careful here. The P1500 may be due to an air leak that does not allow the ICV to control the engine idle.

No disrespect, I have 2 SnapOn MODIS, but you would be better off with a $3.95 smart phone app and $20 interface.

Assuming there are no engine mechanical or timing problems, smoke test the intake and crankcase.

As long at the ICV moves freely, then something may be letting air bypass the ICV???

Interesting just ordered a smoke tester from ebay as well. None taken at all, bmws are a weird animal all together seems like very sensitive lol.

That app you are talking about is that the standard obd2 scanner?
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Old 06-02-2015, 01:43 PM   #15
jfoj
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TouchScan for Android or OBD Fusion for iProducts.
__________________
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

Last edited by jfoj; 06-02-2015 at 01:43 PM.
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Old 06-08-2015, 03:57 PM   #16
Chowda633
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Your not going to believe this... Put in a BRAND NEW BMW MAF today and now I got a whole slew of new codes!!!

P1086-Fuel Control Mixture Rich(Bank 2 sensor)
P0172-System too rich bank 1
P0175-System too rich bank 2
P1348-Misfire During Start Cylinder 4
P1350-Misfire During Start Cylinder 5
P1352-Misfire During Start Cylinder 6


Ready to drive this F@#( thing off a bridge! Every single maf I have put in there comes up with different codes all unrelated!

Now the car has power loss and with the codes on it will not accelerate at all. Acts like the tranny is slipping when i put it to the floor. Then when I clear the codes while driving it picks up again just not full power.
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