10-07-2013, 02:14 PM | #1 |
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Pulsating Acceleration
Hi All
I posted earlier that I was experiencing pulsating acceleration in my 2011 X5 50i between 60 and 90 mph. Most noticeably at high altitude (around 7-8K feet) and pulling up a hill. I can actually see the tach pulsate very slightly. I recently had the rig at sea level, and I experienced no pulsating at all. Back in the high country now, and I am back to pulsating. All I could get from my SA was "try lower octane fuel at altitude". Hmmm. I am thinking things such as O2 Sensor, vacuum leak, spark plugs, and the like, but wouldn't I have been affected at sea level? Any thoughts at all? Many thanks. |
10-07-2013, 02:58 PM | #3 |
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