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CEL, Rough idle, no Boost.

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  #11  
Old 05-12-2007, 11:34 PM
auditech79's Avatar
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Default RE: CEL, Rough idle, no Boost.

Sounds like it, on a V6 there is two output stages,one for each bank, just make sure you change the correct one.
Cylinder 1,2,3 is on the passengers side.
 
  #12  
Old 05-13-2007, 12:27 AM
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Default RE: CEL, Rough idle, no Boost.

2 output stages?? now youve just completly confused melol.
you said that theICM isaka output stages right? i only have 1 i think..... mine is located ontop of the airfilter box. brown with a silver bottom, if i have two icm's then wheres the other one becuase i had no clue about the second one.
my service manual dosnt say much about this.
i always thought it went....
L1 from the icm > the first coil pack > cylinder 1 & 6
L2 from the icm > the second coil pack > cylinder 2 &5
L3 from the icm > the third coil pack > cylinder 3 & 4

my engine for refrence...............
 
  #13  
Old 05-13-2007, 12:34 AM
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Default RE: CEL, Rough idle, no Boost.

Yeah you only have one, i didn't know you had the old 12v engine, if there were two they would be right next to each other.
 
  #14  
Old 05-13-2007, 12:48 AM
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Default RE: CEL, Rough idle, no Boost.

great, thanks.
so, Ignition Coil Power Output Stage 1 is pin L1 on the ICM right? just wanna make sure.
 
  #15  
Old 05-13-2007, 02:10 AM
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Default RE: CEL, Rough idle, no Boost.

Ignition power output stage 1 just means its the first one out of two, since you only have one installed for both banks your only gonna get a fault for the 1. Pin L1 should just be for a respective cylinder, probably cylinder 1.
 
  #16  
Old 05-13-2007, 02:22 AM
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Default RE: CEL, Rough idle, no Boost.

i pulled all 3 codes off though...... stage 1, 2 and 3.
i'll have to buy an icm or borrow one from someone in my local chapter and borrow their vag-com to see what codes i get after, once i get back in touch with them. for some resone my local chapters forums have gone very quiet the last couple of days.
thanks for you help and clarifying a lot of stuff up for methough! appreciate it.
avant1.8t, soz for high jacking your thread.
 
  #17  
Old 05-13-2007, 03:13 AM
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Default RE: CEL, Rough idle, no Boost.

Its cool, but thats a good idea, thats how we diagnose bad ICM's by changing out them that has like a bad miss on cylinder 2 and we swap it out with one that has a bad miss on cyl 3 or something and erase the faults. If the fault codes change of course you know its the ICM.
 
  #18  
Old 05-15-2007, 09:03 PM
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Default RE: CEL, Rough idle, no Boost.

Ok. so got it scanned. cylinder 2 miss fire.....swaped cylinder two coil with cylinder one coil...got it scanned.
cylinder 1 and 2 miss fires
then somthing about a bad control sensor?
 
  #19  
Old 05-22-2007, 01:21 AM
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Default RE: CEL, Rough idle, no Boost.

did you ever resolve this idle problem?
 
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