Question about 2009 BMW X5

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My 2008 X5 hesitates when trying to accelerate while moving. The vehicle is fine from a standing start but when trying to accelerate to increase speed, it feels like it is in a high gear and will not downshift. The dealer "reprogrammed" the computer twice which helped for a few weeks but it reverted back to where it was.

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Posted on Jan 02, 2017

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SOURCE: bmw 3.0 x5 hesitation problems

sound like throttle position sensor.have it check out.also check air duct connected to mass air flow sensor and throttle body.if air duct is loose or off.it will cause severe hesitation.

Posted on Jul 22, 2009

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SOURCE: bmw 3.0 x5 hesitation problems

Use 92 octane gas. These cars don't like 87 octane. The computer retards the engine timing which causes the hesitation. If the computer did not ****** the timing you would get valve ping or engine knock.

Posted on Sep 05, 2010

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http://technoanswers.blogspot.in/2012/07/2004-dodge-town-country-jerks-and.html

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These details will help.

Thanks.

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