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My Nissan 350z power loss.

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Old 08-07-2018, 04:24 AM
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Alan28
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Default My Nissan 350z power loss.

I have a 2003 Nissan 350z. Starts up fine, idles ok, has low end power, but loses power at 4000 rpm. I changed the spark plugs this Spring, got a little better,but not consistent. Just put in new coils, no change, still loses power at 4000 rpm. Has anyone else experienced this problem? I could use some help. Thanks.
Alan
Old 08-07-2018, 05:44 AM
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dkmura
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Welcome Alan- your first post leaves out some critical info. Start with mileage and how long you've owned your Z. Next, how long ago did you FIRST notice this problem? What brand and model of spark plugs did you install? Any CELs and if not, have you scanned for codes?

Last edited by dkmura; 08-07-2018 at 05:45 AM.
Old 08-07-2018, 05:54 AM
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travlee
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Originally Posted by dkmura
Welcome Alan- your first post leaves out some critical info. Start with mileage and how long you've owned your Z. Next, how long ago did you FIRST notice this problem? What brand and model of spark plugs did you install? Any CELs and if not, have you scanned for codes?
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