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International Automotive Technicians Network
Re: P0171 at idle hot
Posted to Technical Discussion Forum on 2/9/2009

I'll check vac readings in the am as well as the map voltage.

cam to crank timing is correct.

Fuel filter put in recently (honda filter). Tested pressure right at top of filter.

It is a VTEC engine. Wouldn't it idle rough if it were stuck on the high spe... Login to read more.