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2003 Ford Focus SE, Emissions Scan Data
Posted to the Waveform Library on 5/17/2016

Data after startup, fuel trims were climbing positive but started going back towards zero when the engine was revved up.

Matthew Shanahan
College of DuPage Automotive Service Technology
Glen Ellyn, Illinois, USA


car Vehicle Data

2003 Ford Focus SE 2.0L

Engine2.0 L / 4 cyl / GAS
Trans5-speed StandardTransaxle
DeliveryFuel Injection
ConditionKnown Bad