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Ted G.
Ted G., ASE Certified Technician
Category: Honda
Satisfied Customers: 6155
Experience:  20 years auto repair experience, ASE Master Tech, Expert Witness
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Aloha please help with 96 HONDApassport. V6 AUTO 4X4. FLAT

Customer Question

Aloha please help with 96 HONDApassport. V6 AUTO 4X4. FLAT GROUND DRIVES FINE WEN AN INCLINE OR HILL IT BOGS AND LOSES POWER TO ALMOST 25MPH .. DONE DIAGNOS.. SHOWED OS SENSOR CHANGED BUT ONLY 1 SET. NO CHANGE.. PRESS GAS AND BOG SOUNDS VACCUMY...LIKE RESTRICTED.... ALSO TRANS IS SLIP A LITLLE GOING from 3gear to DRIVE... ALSO IS THER A CERTIN SIZE BATTERY OR ANY WILL DO. ELECTRONICS IDK. PLEASE ANY HELP WOUKD B GREATLY APPRICIATED.. NICE DAY FROM HAWAII NEI
Submitted: 2 years ago.
Category: Honda
Expert:  Ted G. replied 2 years ago.

It sounds like it's running lean. That would make it lose power and set O2 sensor codes. If you have a fuel pressure gauge you need to watch the fuel pressure, if it drops off when you go up hill then either the fuel filter is clogged or the fuel pump is weak. If you don't have a pressure gauge then replace the fuel filter and if that doesn't help you likely need a fuel pump.