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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 07-20-2013, 03:53 PM   #1
Scott_B
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Check engine codes meaning?

Car was driven fine with this codes for about year, however since i fixing it up i'd like to fix as many as i can. Can you explain what could be causing each of this codes?

I am sure there is some misfiring going on chronically, people who rebuild engine on this car (or swapped it) used to fix that somehow my taking engine cover off and doing something when it happens however i dont know what.



I think one of them is about transmission solenoid or something i don[t plan on dropping transmission and will drive on it before transmission fails and just buy another one or fix it.



    *P0313 - powertrain
    *P0300 - powertrain
    *P1347 - powertrain
    *P1343 - powertrain
    *P0134 - Oxygen sensor Bank1 sensor1 - Where its located?
    *P0455 - powertrain
    *P0171 - powertrain
    *P0174 - powertrain



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Last edited by Scott_B; 07-20-2013 at 04:00 PM.
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Old 07-20-2013, 04:40 PM   #2
jfoj
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Likely the first link below in my signature may offer some insight?

What are your Long Term Fuel Trim values at idle?

Given you have a Gross Leak for the Evap system, you may have a bad Evap solenoid?
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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, Temps, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

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

Lower hose fan switch O-ring - BMW #13621743299

Last edited by jfoj; 07-20-2013 at 04:42 PM.
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Old 07-20-2013, 05:19 PM   #3
Yewzer B Lewzer
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I see you are new here. Given the codes you have jfoj is the perfect person to help. Read his links, answer his questions fully, and learn from his links and advice. You will be the better for it.
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Old 07-20-2013, 07:10 PM   #4
Scott_B
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I cannot check fuel trims now as i have no fuel in it and want to change fuel filter before i put gas. Currently after accident car has problems idling RPM jump and car chokes, have to keep gas on to idle. However engine starts great.
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Old 07-20-2013, 09:26 PM   #5
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you ran it dry to change the fuel filter? You can go ahead and change the bad fuel pump now
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Old 07-20-2013, 09:35 PM   #6
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Quote:
Originally Posted by Scott_B View Post
I cannot check fuel trims now as i have no fuel in it and want to change fuel filter before i put gas. Currently after accident car has problems idling RPM jump and car chokes, have to keep gas on to idle. However engine starts great.
????????

Will the car run now, you say you have no fuel in the car????

If the car will run, you can verify the fuel trim using the scan tool.

"After accident car had problems idling" ?????

So the idle is directly related to the accident?

More info would be helpful here. Pictures of damage? Is the car drivable??
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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, Temps, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

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

Lower hose fan switch O-ring - BMW #13621743299
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Old 07-22-2013, 12:57 AM   #7
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Of course i did not mean literally "no fuel" i mean its below minimum bar on gauge, usually that still gives you like 5 miles of driving... Bigger problem it has not antifreeze its stupid but person who changed radiator did not put any, i ended up driving like this for few minutes... Possibly ex owner drove it for around 6 miles without antifreeze not knowing that its empty, i really don't like the thought of that...

Yes idle lag/choke related to indecent. however i am not super sure i only got this car after it was in indecent.

Only changed radiator and it starts great and drives, except idle problem.

I got all pictures in this thread http://forum.e46fanatics.com/showthr...208&highlight=

Last edited by Scott_B; 07-22-2013 at 01:03 AM.
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Old 07-22-2013, 05:47 AM   #8
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Front end damage, first thing I would suggest at the age of this car is to replace the upper and lower intake boot and also check the CCV lower oil return line, likely this needs to be replaced at a minimum.

Also did the valve cover possibly get damaged?
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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, Temps, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

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

Lower hose fan switch O-ring - BMW #13621743299
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Old 07-22-2013, 11:25 AM   #9
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Am I the only one here that sees a train wreck?
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Old 07-22-2013, 12:02 PM   #10
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Originally Posted by jdstrickland View Post
Am I the only one here that sees a train wreck?
No, I think that there is some bad logic going on here. It's another example of a new member refusing to learn about their car, read the DIY forum and making assumptions on how it operates.
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Old 07-23-2013, 03:33 PM   #11
Scott_B
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Quote:
Originally Posted by jfoj View Post
Front end damage, first thing I would suggest at the age of this car is to replace the upper and lower intake boot and also check the CCV lower oil return line, likely this needs to be replaced at a minimum.
When prev owner bought car 2.5 years ago it was overheated then they went to some shop to rebuild engine, which they did, so i assume engine should be ok condition as car was standing for last 1 or so. I will check however what you said.




Quote:
Originally Posted by jfoj View Post
Also did the valve cover possibly get damaged?
I dont see any damage past radiator. However car is in pretty crappy shape. All wires cut oily tubes around engine and under.
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Old 07-23-2013, 03:46 PM   #12
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Quote:
Originally Posted by Scott_B View Post
Car was driven fine with this codes for about year, however since i fixing it up i'd like to fix as many as i can. Can you explain what could be causing each of this codes?

I am sure there is some misfiring going on chronically, people who rebuild engine on this car (or swapped it) used to fix that somehow my taking engine cover off and doing something when it happens however i dont know what.



I think one of them is about transmission solenoid or something i don[t plan on dropping transmission and will drive on it before transmission fails and just buy another one or fix it.



    *P0313 - powertrain
    *P0300 - powertrain
    *P1347 - powertrain
    *P1343 - powertrain
    *P0134 - Oxygen sensor Bank1 sensor1 - Where its located?
    *P0455 - powertrain
    *P0171 - powertrain
    *P0174 - powertrain



      .
Some General Information,

Your codes are all Power train because they start with P. They are generic codes -- any car can make the code -- if they have 0 (zero) for the second digit, P0, for example, they are BMW specific codes if they have a 1 (one) for the second digit. The third digit identifies the general section of the vehicle, P03nn is an ignition problem, P04 is emissions control systems, P07 is a transmission error. The last two digits is the specific error location. P0340 is a cam sensor, P0301 is a misfire on the #1 cylinder, P0306 is a misfire on #6 cylinder, P0300 is a misfire on all cylinders, or several of them anyway.

Your codes are all P, so by definition they are from the power train.

You have P03nn and P13nn, these are related -- some are potatoes, some are potahtoes... some are generic misfires, some are BMW misfires on the same cylinders. (You will want to research these to confirm, but I'm pretty sure these are all different ways to say the same thing.)

P017n is a report that the engine is running lean. P0171 is the front bank of three cylinders, P0174 is the rear bank.

P0455 is a leak someplace in the evaporative emissions control system -- the system that returns gasoline fumes to the gas tank.

If you had a transmission, the error code would be in the P0700 range.

Last edited by jdstrickland; 07-23-2013 at 03:49 PM.
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Old 07-23-2013, 09:33 PM   #13
Scott_B
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Could be that dead oxygen sensor results wrong reading for lean fuel/air mix as i know they use oxygen sensor to determine that? I guess i start with replacing that. do you know where exactly that one located Bank1 sensor1?
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Old 07-23-2013, 09:41 PM   #14
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Skip the O2 sensor replacement for them moment.

Fix the vacuum leaks and make sure the O2 sensor is properly plugged in.

You likely have multiple issues.

Start by reading the first link in my signature. After you have read it about the 3rd time you may start to understand that you need to inspect every rubber and plastic hose under the hood.

Maintenance, maintenance, maintenance.

Hopefully JD can keep the train on the tracks, at least he is trying!
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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, Temps, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

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

Lower hose fan switch O-ring - BMW #13621743299

Last edited by jfoj; 07-23-2013 at 09:42 PM.
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Old 07-24-2013, 12:06 AM   #15
Scott_B
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jfoj you signature has no links anymore

I haven't checked fuel trims yet so no point looking for leaks at this point, lean mixture can be result of oxygen sensor failure i had this experience before... or this stupid sport air filter they put on it.


Regarding misfiring how can i check if each ignition coil is functioning properly?



Last edited by Scott_B; 07-24-2013 at 12:08 AM.
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Old 07-24-2013, 05:14 AM   #16
jfoj
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Quote:
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jfoj you signature has no links anymore
It has no links if you are using an App on a phone. Use a computer and you will see the links.

Quote:
Originally Posted by Scott_B View Post
I haven't checked fuel trims yet so no point looking for leaks at this point, lean mixture can be result of oxygen sensor failure i had this experience before... or this stupid sport air filter they put on it.
You do not need to check fuel trim value to check for vacuum leaks. All E46 that have not had every plastic or rubber part replaced under the hood WILL have vacuum leaks.

The O2 sensor issue your tool reported cannot report a lean mixture because it stated there was no activity/signal from the O2 sensor. Sensor cannot detect or report rich or lean condition when there is no activity or signal from the sensor!

Fix your vacuum leaks.

Good luck.
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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, Temps, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

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

Lower hose fan switch O-ring - BMW #13621743299

Last edited by jfoj; 07-24-2013 at 05:47 AM.
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Old 07-24-2013, 05:26 AM   #17
dznuts007
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Definitely read jfoj's links. They totally helped out with my problems when I was failing my smog check a few months back.

There's a bunch of different possibilities why you're running lean. Torn boots and other vacuum leaks from other areas...bad pcv/ccv. Clogged fuel filter too. Start from the front and work your way down the intake boots. Again, jfoj's links give you the checkpoints and solutions. If you need help, pm me and I can help out since I'm local to you.

Time to start getting down and dirty! Read, read and read. Browse over the DIY's and vids and familiarize yourself with the fixes. They're not bad at all
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Old 07-24-2013, 04:45 PM   #18
Scott_B
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Fix your vacuum leaks.
Thanks i will fix leaks as soon as i be ready to start the car. Then i'll just use the car start booster spray to find leaks.

Last edited by Scott_B; 07-24-2013 at 04:47 PM.
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Old 07-24-2013, 04:52 PM   #19
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I tried that method of using brake cleaner or throttle body cleaner fluid to try to find leaks, but it totally didn't work for me...and I had a bunch of torn boots, bad ccv, etc
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Old 07-24-2013, 05:04 PM   #20
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A large evap leak can also be a loose or bad gas cap. Fill it up with fuel, too. If you're showing you have 5 miles to go, you might well be sucking up air with fuel, especially if your car isn't on level ground.

That your O2 sensor isn't picking up anything seems odd, so check its connector for starters. Bank 1 sensor one will be the 02 sensor for cylinders 1-3 (numbered from front to rear of engine) before the cat. The connectors are right below the valve cover on the passenger side...and you'll see the 02 sensors down below there.
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