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99 Prelude Sh. Cylinder 2 misfire.

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Old Jun 9, 2011 | 02:59 PM
  #1  
eternalist's Avatar
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Default 99 Prelude Sh. Cylinder 2 misfire.

What ive tried so far to no avail...
Clean Egr
change spark plugs, wires and rotor
valve adjustments
also tried engine restore..
any advice is greatly appreciated..
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Old Jun 9, 2011 | 04:30 PM
  #2  
typemismatch's Avatar
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From: Fargo, ND, USA
Default Re: 99 Prelude Sh. Cylinder 2 misfire.

Vacuum leak in the intake manifold? Try spraying it down with carb cleaner, if the rpms go up you've found a leak. It's not a common answer, but it was something that happened to my dad on his Trooper, it would be reporting misfires and lean conditions when he had an intake manifold gasket go.

Otherwise, try a compression test. On an SH you should be pushing 190-220 psi on all cylinders.
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Old Jun 11, 2011 | 01:36 PM
  #3  
integra15's Avatar
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From: Ann Arbor MI
Default Re: 99 Prelude Sh. Cylinder 2 misfire.

Are you using the recommended spark plugs at the recommended gap?
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