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- - 99 Honda Passport Misfiring (https://hondaforum.com/forum/general-tech-help-37/99-honda-passport-misfiring-7256/)

mlm02

05-19-2011 05:50 PM

99 Honda Passport Misfiring

We have a 99 Honda Passport, its misfiring, theres a popping noise in the air intake, no power, and the exhaust sounds muffled. We put brand new spark plugs in it and it did no good. Any ideas?

acmech52

05-20-2011 02:38 AM

welcome to the forum. If there is a popping noise in the air intake, take a compression check of that cylinder and with the airfilter off, you may hear air coming through the intake valve. possible burnt valve or damaged.

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