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-   -   Engine Missing RPM (http://forums.pelicanparts.com/boxster-cayman-forum/677530-engine-missing-rpm.html)

johnsnow 05-13-2012 06:36 AM
Engine Missing RPM
 
I have a 987 Boxster with 80k miles on the clock and when I roll up to a halt letting the engine brake (no matter what gear) when the car hits 1100 rpm it jumps down to 1000rpm - missing 100rpm. Physically you feel a minor jolt

Any ideas what would cause this? Air leak? MAF? seems strange to occur at the exact same rpm every time

mikefocke 05-13-2012 08:44 AM
What transmission?

johnsnow 05-13-2012 09:10 AM
Manual 5 speed - no error codes as well (at least according to durametrics)

very~worn~944 05-13-2012 12:17 PM
Try cleaning your throttlebody real well and then readapting it.

johnsnow 05-13-2012 11:39 PM
Quote:
Originally Posted by very~worn~944 (Post 6745362)
Try cleaning your throttlebody real well and then readapting it.
Thanks, ill give that a go. Excuse the newbieness but what does "readapting it" mean? - disconnecting the battery negative for an hour to reset?


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