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2003 Nissan Xterra Question: When driving at 75 mph for extended miles, white smoke starts coming out



, Evans, CO, April 20, 2013, 21:23

For instance,it only happens when traveling at high speeds like on the interstate for extended periods. Any idea what causes it?

2 Answers
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  • Answer #1

    April 21, 2013, 08:39

    if the white smoke is coming out of tailpipe you might have a head gasket problem,check anti freeze level

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  • Answer #2

    April 21, 2013, 10:03

    Agree with gg, check ALL fluid levels! Smoke may be caused by any of the vehicle fluids being blown onto hot exhaust system at that speed.
    I suspect trans. fluid leak.

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