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P115
Porsche fault code 13 - heating power os2 ahead of cat. c. bank 1
P0507
Porsche fault code 32 - Idle air control system
exceeds limit value
These were the two that were originally there. The previous owner informed me that the P115 will come on intermittently but he didn't know anything about the P0507 which is the one currently there right now.
In summary:
Action
cleaned off the throttle valve and put it back.
Result
CEL went away but then return very shortly thereafter.
Action
removed oil dipstick
Result
slight constant suction inside (bad AOS?)
Action
start car
Result
thick smoke is NOT present in exhaust (good AOS?)
Action
Disconnected tube from AOS to air intake part#996 107 146 00
Result
inside of the hose, there were particles of oil. Not a thick stream, but just some dark dampness. I put a q-tuip in there and it is NOT drenched in oil, but it does turn dark where it is rubbed up against the hose. It's like a light coating of oil, but very light.
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