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Old 05-21-2009, 06:48 PM   #1
$500bimmer
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s52 obd1 swap into 93 e36

i have finished the swap, installed the motor. when it is running good she has lots of power....but my cel (check engine light) keeps comming on n off(more on then off) so i did the guage cel test and 1215 came up which is the mass air flow sensor. my problem is i would like to know if there is anything els that comes up with that code? aswell when the light is on i hav a hard time starting (ie starts then bogs out n dies) it sputters at lower rpm and has little power.

help me out guys!! i wanna drive me car....and enjoy it!


and does anyone have a 3.5maf i can borrow to test to see if my maf is no good?
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Old 05-21-2009, 10:25 PM   #2
$500bimmer
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well i tried driving the car with the maf unplugged and it seems to run smoother and has more power.....


so it must be the maf that is messing things up for me.....right?
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Old 05-21-2009, 10:55 PM   #3
Bullet Ride
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replace it and see if it throws another code.
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Old 05-21-2009, 11:00 PM   #4
INFAMOU$
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I had a similar issue with my wifes car when i first put in a new M50.. no power, idle surges etc.. Unplugged the maf and it ran better.. Drove it from brampton to North York and then the car started to run like ass on the hwy.. plugged the maf back in and from that point on the car ran perfect???
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Old 05-21-2009, 11:03 PM   #5
$500bimmer
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havin a hard time finding on close to home.....i just want to make sure it is the problem

im going to see how it runs tomorrow for a short period and ill try to plug it in and see what happens.
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Old 05-21-2009, 11:05 PM   #6
e30_kid89
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Back on my old m50 swapped e30 it would run good untill it was starting to get warm then the idle would surge like crazy and it wouldn't run or start. I changed the MAF to a known good working one and it was mint. All problems were gone.

Try borrowing another maf. And check for vac leaks just in case.
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Old 05-22-2009, 06:50 AM   #7
$500bimmer
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hard part is finding someone with a maf to let me borrow it.


checked for leaks, nothing came up
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Old 05-22-2009, 09:24 AM   #8
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how much does fil sell them for? might be worth a shot.
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Old 05-22-2009, 10:42 AM   #9
ShortShifter
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Sounds like you need a 540 MAF...anyone got one to lend him???
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