R50/R53 :: Hatch Talk (2002-2006) Cooper (R50) and Cooper S (R53) hatchback discussion.

R50/53 Gggggrrrrrrr p1109 and car not holding idle

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Old Nov 28, 2020 | 09:44 PM
  #1  
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From: OakCreek
Gggggrrrrrrr p1109 and car not holding idle

Just got my car all back together FINALLY and fixed the serpentine issue and was hoping all was ok BUT NO !
My 1st problem was I didn't put sealant on the supercharger nose bolts and it sucked some oil through there and contaminated EVERYTHING. I noticed fairly quickly as I measured the sc oil after and was only down like 2oz.
my sparks plugs were fouled so I cleaned them with brake cleaner and a brush and then I also sprayed the 2 map sensors encase they too got fouled..car seemed to run aliiiiiiiiiitle better as it held an idle BUT it was choppy and it smelling SUPER RICH like burns yours eyes so rich.
when I start it up it immediately revs up to like 4k rpms and idle fluctuates around and then it kinda settles and I can hear it misfiring. The only code so far I have gotten with my Bluetooth scanner is p1109 but digging on the forums im not coming up with much.. I'm prrrrrrrrrrrrety sure I'm ic boots aren't leaking though I will 2x check , I have a brand new lower cam sensor I put in before all this. My lower plastic throttle tube also looks like its correctly seated onto the end of the sc. I swapped to 2 different map sensors and no change. I had a 02 code come up too but I cleaned my 02 and that hasn't come back , that too was contaminated from the sc oil too I think ..
what do you guys think I should check or what ? I'm kinda stumped....
 
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Old Nov 28, 2020 | 11:39 PM
  #2  
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From: Arnold, MO.
You do realize that those MAP sensors are actually different, intake is a T-MAP the other a MAP.
By swapping them you really didn't change much, esp if the T-MAP is bad.
While sometimes cleaning them works, it depends on how fouled they are.
That would be my first thought, esp with a rough idle but not necessarily rough running.
 
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Old Nov 29, 2020 | 02:56 AM
  #3  
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From: The Netherlands
Also make sure that the connector is seated properly. When I did maintenance on the supercharger and put everything back, I also had an issue with the front T-MAP sensor (it does MAP and Temperature/IAT readings). I ordered a new one, but found out later that it was the connector which was acting up.

I used a small pick to push the thingies in the connector closer together (I dont know what they are called) and that is what solved my issue. I found the tip somewhere on NAM :D
 
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Old Nov 29, 2020 | 07:55 AM
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From: OakCreek
Originally Posted by BlwnAway
You do realize that those MAP sensors are actually different, intake is a T-MAP the other a MAP.
By swapping them you really didn't change much, esp if the T-MAP is bad.
While sometimes cleaning them works, it depends on how fouled they are.
That would be my first thought, esp with a rough idle but not necessarily rough running.
yes I know they're different. I meant i had changed them both not changed them around, sorry for my wording.
I'm going to try and rig up a smoke tester and smoke test for vacuum leaks
 
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Old Nov 29, 2020 | 07:58 AM
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From: OakCreek
Originally Posted by nd-photo.nl
Also make sure that the connector is seated properly. When I did maintenance on the supercharger and put everything back, I also had an issue with the front T-MAP sensor (it does MAP and Temperature/IAT readings). I ordered a new one, but found out later that it was the connector which was acting up.

I used a small pick to push the thingies in the connector closer together (I dont know what they are called) and that is what solved my issue. I found the tip somewhere on NAM :D
you mean the tmap under the intercooler ???? I woooooooonder if my wiring is bad to it so I will check that too.
 
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Old Nov 29, 2020 | 10:27 AM
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From: OakCreek
Ok, heres a big problem . Stupid tube IS leaking now , I repaired the tab that wasn't even on it before and it wasn't leaking so I figured a little sealant and making a tab for it would have correctly sealed but I was OBVIOUSLY wrong , again...so ima fix this and see where it takes me


 
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Old Nov 29, 2020 | 11:11 AM
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From: The Netherlands
Which tube is that?
 
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Old Nov 29, 2020 | 04:10 PM
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From: OakCreek
Originally Posted by nd-photo.nl
Which tube is that?
throttle tube ???? The plastic one that ur throttlebody is on and it attaches to the sc...
I'm pretty sure its fixed now, car was running almost perfect but was low on vacuum and still had a minor leak there. So i caked it in rtv , put it back on and even then some rtv around the outside lip. I will test start it tomorrow once its all dry but I'm pretty sure I FINALLY HAVE IT ALL FIGURED OUT !
then onto my coilovers , lol.
 
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