Question about Nissan Sentra

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Nissan rb25det runs well in low revs breaks down at about 4000 has new plugs fuel filter thought it was the plugs replaced with iridium plus no change runing standard computer air flow meter and 8psi boost.im thinking maybe a dodgy coil pack.any help would be great

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Sounds like coil pack, when your coils break down due to age the spark then jumps from the side of the coil to the alloy head, i would recomend taking the coils out and getting them tested to be 100%.

Posted on Jan 18, 2009

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