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p0174
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  1. General BMW Questions
    Replaced the thermostat and the water pump recently (e46), and changed out the coolant (which if it helps any, my car did not take alot of new coolant only about a gallon, despite me draining it as best I could, but the car isn't over heating and the temp gage stays steady in the middle, maybe...
  2. E46 (1999 - 2006)
    I have a 2005 325i 140,000 miles Has 10 codes need to know if fixing a specific issue could also solve another. P0303, P0304, P0305 I know these are cylinder misfires P0174, P0171 I know these are caused by vacuume leaks probably P1318 and P1315 Camshaft position sensors P0335 and P0365...
  3. E90/E91/E92/E93 (2006 - 2013)
    06 325i has P0174 and misfiring codes on various cylinders.. car has 180,000 miles Car starts ok with RPM around 1100 and slows down to 600 after 30 seconds or so.. Can hear engine sputtering briefly.. Car drives ok at speeds < 50 mph but if I go uphill or need to accelerate beyond that, SES...
  4. X3 E83 (2004 - 2010)
    Hey everyone, I’m very clearly new to these boards but as made evident by the title, I’m also a new BMW owner as well! Additionally, this is the first European car I’ve ever owned as well so a lot of firsts here. Now onto my questions: 1.) the manual says it requires 5W-40 full synth. I have...
  5. X3 E83 (2004 - 2010)
    2006 BMW X3 3.0 Throwing codes p0171 and p0174 band 1 and 2 are too lean. I ran live diagnostics on the car while driving. The O2 Bank 1 and 2 sensors short term fuel trim is showing at a constant 92%. The data also says the fuel system is maintaining an open loop on system b. Why wouldn't the...
  6. X3 E83 (2004 - 2010)
    so a couple days ago when moving vehicles around in the driveway i started the x3 up and it instantly stalled out. it did this a couple times. I finally got it running but noticed the the idle jumped around between 500 and 1000 rpm. When i put it in reverse it stalled once more. from the back...
  7. F10 / F11 (2011 - 2016)
    PLEASE HELP... FEMALE NEW TO BMW DIY.. I have a 2001 525i throwing codes - P0171 - P0174 - P0313 - P0141 - P0128 - P0300 - P1345 - P1343 It has a rough idle and boggs out sometimes. I did a tune up and changed all spark plugs (I could only get NGK at the time), changed the oil and the filter...
  8. E90/E91/E92/E93 (2006 - 2013)
    This is my first post here. Not sure if this is the place to do it. I'm a Honda/Acura nut and have owned many. I'm a big DIY'er and have swapped just about everything out (engines, trannies, etc.) on my rice rockets. This is my first venture into German engineering. I'm a new owner of a...
  9. X3 E83 (2004 - 2010)
    Hi, 2005 E83 with 130K miles. I'm getting a p0174. I read the many P0171, P0174 threads, but I'm only getting a P0174 which is only bank2. I wonder if I can eliminate Intake, Crankcase, Throttle body CCV, IACV, and concentrate on items only affecting bank2, like the O2 sensors? Is there...
  10. E46 (1999 - 2006)
    Hey guys, First post! I was hoping that I can just find some answers lurking on different forums, but seems to me that my specific problem wasn't shared by anyone else. So here it is...My SES light was one a few months ago when it was really cold, my car died after backing out of a parking...
  11. E39 (1997 - 2003)
    I scanned and got these codes; p0155 is saying oxygen sensor heater ciruit bank 2 sensor 1. Should I replace both O2 sensors or would I have to do more ?
  12. E39 (1997 - 2003)
    The code only lights up after about 15 minutes worth of driving, which for my daily commute is when I am driving on the highway. And on the following trip, the SES light will go out promptly after start up, only to light up again after 15 minutes as stated. The pattern has repeated without fail...
  13. E46 (1999 - 2006)
    Alright, I've put in hours of research on different causes of the Lean codes (P0171/P0174) and the engine not running 100%. I've also done troubleshooting for most of it, and now I hope to present all the clues that I've found to someone who has spent a lot of time with E46s and who might be...
  14. E46 (1999 - 2006)
    Recently ive had a few things done to my car that include Spark Plugs(NGK Double Plat),Water Pump Replaced, Fuel System Treatment 3 times( 2 Royal Purple Max Clean, 1 Gum Out 2x All in one), Full Synthetic Oil Change 2000 miles ago, SeaFoam. So Far, My vehicle displays p0300- For the misfire...
  15. E46 (1999 - 2006)
    Hi everyone, First of all I am a newbie to these forums and I want to thank you all in advanced for any help I receive. I have a 2003 330CI and I am getting lean codes and have a slight misfire. I have a full scanner that gives me all of the bmw codes but the only ones present are P0171 and...
  16. E60 / E61 (2004 - 2010)
    I'm in a 2004 530 which has the M54 engine. I've got about 120k miles on it. I only put 93 in it, but occasionally from Quiktrip when I'm around one. I recently started experiencing some roughness in the idle for about a week and a couple of days ago, the check engine light came on. I pulled...
  17. X3 E83 (2004 - 2010)
    Hi and thanks already to the many users who post such helpful info on these forums! I bought my '06 X3 3.0 M-Sport, auto trans, about 6 months ago with 95K on the odometer. Alpine White w/Terra Cotta leather. LOVE. IT. Purchased a Royal 48/50K service plan at the same time, so I should only...
  18. E46 (1999 - 2006)
    I have a 2004 E46 325CI with the M54 engine in it. A few weeks ago, my check engine light came on. I didn't think much of it as I was getting on the throttle pretty good getting onto the interstate (figured it was just a retarded O2 sensor due to my lead foot). Took it to the shop to get the...
  19. E46 (1999 - 2006)
    I have been chasing my Lean Codes (P0171 & P0174) for so many years; it is not even funny. I did many things but never found the cause. There were a few things I never tried. One was the MAF sensor. There is no reliable way to test it if it is really defective or not. It is an expensive item...
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