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International Automotive Technicians Network
2003 Mazda Protege5 2.0L Poor Fuel Economy
Posted to Asian Driveability on 11/14/2006 3 Replies

hi everyone,our customer is complaining that her fuel economy has gone from around 30mpg down to [...] did have a re-occurring code po421 cat efficency in [...] scanner data looks [...] the o2 sensors i saw that the rear o2 was switching as fast as the [...] a...

3 Replies Received (View Replies)

  Related Documents & Media  2003 Mazda Protege5

 
Message Closed w/FIX

car Vehicle Data

2003 Mazda Protege5

VIN JM1BJ24573
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / PFI
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy
OccursAlways
Message Closed w/FIX

car Vehicle Data

2003 Mazda Protege5

VIN JM1BJ24573
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / PFI
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy
OccursAlways