S2000 Under The Hood S2000 Technical and Mechanical discussions.

Occasional loss of power

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Old 05-04-2015, 12:20 PM
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Default Occasional loss of power

Occasionally I get a power loss normally when slow driving. Once I give it some revs it seems to clear itself. The car doesn't get much use and I have no warning lights on. Is there anything I can check?
Old 05-04-2015, 12:51 PM
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What type of weather? If it is very hot, you could be suffering from heat bog which does go away with revs.

Any thing changed recently?
Old 05-04-2015, 10:50 PM
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I was thinking the same thing about my car on the way home today. Towards the end of the drive I felt like I had lost a bunch of torque < 3k rpm and was bogging at every light.
Not very hot out. Maybe high 70s.
Old 05-05-2015, 12:10 AM
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How many miles on the plugs?
Old 05-05-2015, 12:53 PM
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I'm in the UK so not that warm 16-18 degrees maybe. It is only under 4000 rpm. No idea on plugs. Will get a set and try it. Thanks for the help. Was thinking dodgy fuel maybe but it's intermittent.
Old 05-05-2015, 03:03 PM
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Do you have the OEM air box and filter and do you have the lid on it?
Old 05-06-2015, 07:12 AM
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No I have an aftermarket filter in the front bumper. It has been fine up until now
Old 05-06-2015, 07:12 AM
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It's an Injen set up
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