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power loss
1-20 of 32 Results
  1. E46 General
    I have my logs to help get a better understanding of what's going on exactly with my car... so here they are :) Cold Start Highway Cruise Warm Idle Diagnostic Report On highway cruise I was driving in S mode I didn't realize it until the 4 minutes was up so if I need to re do this please...
  2. E46 General
    CAR: 2004 325i M54 Auto w/220k+ miles. CODES: P0302 P16A7 (when car stalls only) P0171 (only 171, 174 never present) P0411 SYMPTOMS: Rough idle Misfiring Extreme power loss now Stalling Low MPG (16.2 down from 19.8) Crank no start (sometimes happens but the fuel pump, fuel filter, intake...
  3. E46 General
    Hey Guys! So i recently purchased a 04 325i 4d E46 and i love it always wanted to join the Bimmer Family. However i have a small issue... When I bought the car it had cracked intake boots(replaced those w/oem) cracked manifold (replacedw/oem) Blown Disa Valve (replaced w/oem) and the ccv hose...
  4. California
    I'm willing to purchase a used (but good) cat for bank 1... i believe mine is practically toast. I live in San Diego more towards fallbrook but am willing to drive to pick it up. please pm me ! symptoms: • high fuel trims under load (for bank 1... bank 2 trims are normal) • only P0171 (not...
  5. E46 General
    I'm hearing this very odd whistle noise when pressing on the gas (sounds like air leak around 3rd intake cylinder) also accompanied by a metal rattle sound that sound as if somethings inside the ... intake i think? You can hear that rattling get louder when the engines at 3rd gear and runs above...
  6. E46 General
    Recently I’ve been having a few problems with my 1999 323i E46. It has 104,000km and had barely been used before I purchased it about 9 months ago. Upon start, I usually let it warm up for a few minutes before taking off. As I go to accelerate the engine keeps bogging out and loss mass amounts...
  7. E46 General
    I've read up on some discussions and have noticed that when your maf is going bad it typically reads lower... but that's not the case with my MAF. I currently have a P0171 code and have noticed that my MAF reads above 31 g/s upon acceleration or while on the highway. At idle it reads 3.7 g/s...
  8. E46 General
    So a couple days ago i changed my pre cat o2 sensors in my 2001 320i as the bank 2 sensor threw a code and I figured id just replace both. However, the next day i went on a little road trip and noticed that throttle response wasnt nearly what it used to be and it just feels more sluggish...
  9. E46 General
    SCROLL PAST FREEZE FRAME DATA FOR QUESTION(S) BELOW ARE ALL DETAILS YOU MAY NEED/WHAT IVE POSTED BEFORE *sorry for making yet another thread i just want to give the most detailed info and try to get the most answers i can and hopefully help others who also have a similar issue and can't find a...
  10. E46 General
    So at idle (around 700rpms) I noticed my 02 Sensor 1 was reading 0 volts but my 02 Sensor 2 was reading between 0.30 volts to .65 volts and i was wondering if that's normal? Or is 02 sensor 1 faulty... I have no codes specific for 02 sensors but I have not gotten rid of my P0171 issues with my...
  11. E46 General
    Today I took my 04 325i (auto, M54 2.5l - 218,000 miles) to a local euro shop (with nothing but great reviews of course) and addressed a vacuum leak I had which would throw P0171. That leak was the hose connecting to the fuel filter. The reason i took it to the mechanic is due to a power loss...
  12. E46 General
    Hi all, I have a BMW 320D Touring E46 '04. I have a problem since bought it some time ago, related to loss of power on fast acceleration. I have checked for leaking pressure pipes and precociously have replaced with new. Also I have replaced the MAF and MAP sensors. Recently changed the...
  13. E46 General
    Hi all, Although this is my first post, I have been using this site as a reference for a while now! I have a 2002 318ci (n42 engine) automatic. I’ve got an issue that’s now really bugging me! The problem started about 2 weeks ago when my alternator packed up whilst driving home along the...
  14. E46 General
    My slow sled: 2000 E46 320D touring, 136 horsepower, 5 speed manual trans, 200,000 km. In the past two years the car has had lots of new parts installed but right now the issue is a lack of power. It should have 136HP but feels like 46HP. I replaced the turbo a year ago and the car has been...
  15. E46 General
    I have a 01 330i with intake, headers, full exhaust, 3.38 diff, and a tune. I'm getting a weird hesitation between 5,500 rpm to 6,500, sometimes it will happen just between 6,000- 6,500rpm. It feels like it loses power then after 6,500rpm till 7,000rpm it picks up power again. Really getting...
  16. E46 General
    The codes I'm getting are 300 (random misfire) 1343, 1345, and 1347 (misfires on cylinders 1, 2, and 3 with fuel cutoff). I had several other codes prior to these which led me to watch a YouTube video and replace the valve cover gasket, all 6 ignition coils, and all 6 spark plugs. I'm down to...
  17. E46 General
    Hi Everyone, Sincerely hope some one can help me out with this, please excuse how verbose i can be, i am only trying to be specific and informative. Car is a BMW 318ti Compact e46 with an N42B20 motor The car was every so often giving me severe hesitation when hot, pulling off from a stand...
  18. E46 General
    I recently purchased an 02 e46 M3. it has an after market AFE intake, front and rear struts, H&R lowering springs, and a short throw shifter along with some minor visuals. While driving it has cut off on me twice so far randomly; once while on the highway and once will idling in neutral in a...
  19. E46 General
    My '01 325i service engine light came on. Codes indicated problem was intake camshaft position sensor. Had indie shop replace both intake and exhaust sensors. Now the car feels flat, like it has lost significant power. Seems to be especially obvious in 2nd gear. Also had fuel filter changed...
  20. DIY: Do It Yourself
    Have an M54 engine, that when you rev it seems really sluggish? Have checked everything from the cat converters, to the fuel pump and filter, plugs and air filter....everything seems to be ok? When she idles its like theres nothing wrong at all, really smooth actually. No faults are showing on...
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