Obsessive Not Compulsive
Join Date: May 2004
Location: Edmonton, Alberta
Local Time: 06:00 PM
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Here in Alberta Canada the Gen. 2 Cooper S cars experience problems when ambient temperatures are below -14C and the relative humidity is high. The check engine light in the tachometer comes on in yellow with a diagonal slash through it, the idle stumbles between 900 - 1300 rpm, exhaust backfires, and the car is a real pain to drive. City is manageable, but on highway the revs are limited to about 3000 rpm, with subsequent low speeds causing a serious safety problem. Has happened to my '09 MCS twice this winter, the second occurrence the small check engine light in the speedometer stayed lit, after the problem resolved. I pulled two trouble codes from the OBDII port:
P1637 : Throttle Valve Position Control; Control Deviation.
P1638 : Throttle Valve Position Control; Throttle Stuck Temporarily.
The fix is reported to be a new 4-port intake manifold, part#11-61-4-584-240.
Two of our Edmonton MINI Club members have had this part installed to '09 MCS models, and the problem has not reoccurred.
I need to book a service appointment with my dealer soon to have this work done...
'09 R56 Cooper S BRG/W, LSD, JCW RSB, BT/USB, Alloy Dash (current obsession)
'04 R50 Cooper CR/W, JCW Sound Kit (sold to Son #1) '06 R53 Cooper S DS/B, Rallye Package (Son #2 ride)