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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 02-24-2014, 02:29 AM   #1
veli510
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Join Date: Oct 2010
Location: CA
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My Ride: 2001 BMW 330i
P1500 Code

I have 3 fault codes actually. p0171,0174 and 1500. I did research about the 171 and 174. People says it's a vacuum leak, i will order some stuff to build a smoke machine later, but not sure what the p1500 is. Any ideas? thanks
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Old 02-28-2014, 11:31 AM   #2
darrenswebdesigns
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Idle speed control valve is p1500 the others are vacuum leaks check the lower intake boot !

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Old 02-28-2014, 02:50 PM   #3
veli510
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is idle control valve different from idle speed control valve? if so, where is the idle speed control valve located?
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Old 03-03-2014, 04:27 AM   #4
veli510
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Thanks for the replies. I reset the code a week ago and hasn't popped up since. I was due for a smog. Went on Saturday. Passed with flying colors. Weird but I'm happy. At least it passed


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