Octane ping

Forum for the Xterra, Frontier and Hardbody, the smaller workhorses of the Nissan lineup!
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makoujyn
Posts: 3
Joined: Sat Apr 14, 2012 10:46 am
Car: Maxima se 2004,
Frontier 2001

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A solution to prevent octane ping; 2001 Frontier 2.4L; 120,000 miles:
Ignition @ 20 BTDC, NGK plugs,running plus grade fuel, always at same filling station.
Pings at lite throttle.

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sx moneypit
Posts: 8911
Joined: Wed Aug 26, 2009 2:54 am
Car: 2010 Nissan 370Z
1986 Toyota MR2
Location: Memphis,Tn.

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With that many miles on your truck you may have some excess carbon build up.Try running some Seafoam through the intake and see if that helps.Also be sure your EGR valve is operating correctly.

Welcome to NICO!




-Ben
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makoujyn
Posts: 3
Joined: Sat Apr 14, 2012 10:46 am
Car: Maxima se 2004,
Frontier 2001

Post

Ben, When I apply vacuum to the EGR, the engine stumbles, as expected, when vacuum is released, smoth idling returnd. Do you know of further testing for the EGR?
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makoujyn
Posts: 3
Joined: Sat Apr 14, 2012 10:46 am
Car: Maxima se 2004,
Frontier 2001

Post

Ben, I will run the Seafoam treatment through the intake manifold.
Thanks
NOrm
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