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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
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