1999 E46 318i se fault code p0171. - Page 5

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    #41
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    and yes the coil packs could cause a rough idle, although i think they are normally present with a misfire diagnostic code, not 100% on that though!
    Before you judge a man, walk a mile in his shoes; after that, who cares?! He's a mile away and you've got his shoes!
     
     

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    #42
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    look forward to your updates, ill be subscribing to this thread to see how you get on
    Before you judge a man, walk a mile in his shoes; after that, who cares?! He's a mile away and you've got his shoes!
     
     

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    #43
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    Quote Originally Posted by Bmw320d se View Post
    and yes the coil packs could cause a rough idle, although i think they are normally present with a misfire diagnostic code, not 100% on that though!
    Cheers, fingers crossed its not going to break the bank! already £400+ spend in two months, not very pleased at near 100k on the clock. Though BMW's are good lasting machines. Need as much luck as possible now...
     
     

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    #44
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    PS Car feels lumpy on idle and loss of power - Thought I would update you folks.
     
     

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    #45
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    disconnect the maf sensor and drive the car to see if it improves! let us know how it goes...
    Before you judge a man, walk a mile in his shoes; after that, who cares?! He's a mile away and you've got his shoes!
     
     

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    Quote Originally Posted by Bmw320d se View Post
    disconnect the maf sensor and drive the car to see if it improves! let us know how it goes...
    ok shall do, cheers
     
     

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    #47
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    Ok, the update is.. replaced all coil packs from GSF bremi packs, didn't quite snug fit but all working. Adaptive reset.
    car seems ok, slight hesitant in gears but better. wasn't a huge increase i must admit.

    Not had chance to take off MAF as yet. will it need a computer to take off lights once i do this? (I dont have a computer)

    What's the advice on slight hesitation on power delivery through the gears?

    PS Heard the fuel filter working overtime earlier, unsure if this is linked to anything or may cause hesitation.

    Cheers
     
     

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    #48
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    Quote Originally Posted by VJPo2 View Post
    Ok, the update is.. replaced all coil packs from GSF bremi packs, didn't quite snug fit but all working. Adaptive reset.
    car seems ok, slight hesitant in gears but better. wasn't a huge increase i must admit.

    Not had chance to take off MAF as yet. will it need a computer to take off lights once i do this? (I dont have a computer)

    What's the advice on slight hesitation on power delivery through the gears?

    PS Heard the fuel filter working overtime earlier, unsure if this is linked to anything or may cause hesitation.

    Cheers
    I did jump forward a bit in the thread but I was a bit surprised to read you'd replaced the coil packs... I'm guessing it's a slog for us all.
    BMW 318i se.
    K&N panel filter.
    Cybox SS back box.

    Mild mannered super hero by day... Musician by night...
     
     

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    #49
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    Quote Originally Posted by dieselfitter251 View Post
    I did jump forward a bit in the thread but I was a bit surprised to read you'd replaced the coil packs... I'm guessing it's a slog for us all.
    One of the coils had the end rubber still stuck in the engine, it was parted from the coil pack. had the adaptive reset, seems to judder at times and slight hesitant in changing gears, thinks it is just getting used to being reset and newer coils. how long can I expect this to last for? any recommendations on my next steps?

    someone suggested putting super unleaded? isn't that defeating the matter at hand or will it flush out badness and be ok with standard unleaded after?
     
     

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    #50
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    Well, the v-power type petrols out there are proven to improve performance and be generally cleaner so I don't think it'll cause any problems. The adaptions are ongoing (afaik). Last time I reset my adaptions the car sorted itself out within around 10 miles. I'm pretty new to the whole INPA thing but if you can get it read and look at the cyclinder read outs it make give an idea as to which (if any) cyclinder is causing issues, or, as I suspect, it may still be a vacuum issue...
    BMW 318i se.
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