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1997 Mazda B4000 4.0L Excessive Emissions, Poor Fuel Economy, MIL Lamp on
Posted to Asian Driveability on 1/31/2005 14 Replies

here is a truck we dont want to jump at replacing parts, need guidance in testing for possible causes. both o2 sensors are flatlined lean, seems fishy because we read of a history of intake manifold gaskets. its 4 hours to try the gaskets and over $200 to mist...

14 Replies Received (View Replies)

  Related Documents & Media  1997 Mazda B4000

 
Message Closed w/Summary

car Vehicle Data

1997 Mazda B4000

VIN 4F4CR16XOV
Engine4.0 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI / MULTI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Fuel Economy, MIL Lamp On
OccursAlways

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0174Fuel System Too Lean (Bank 2)
Message Closed w/Summary

car Vehicle Data

1997 Mazda B4000

VIN 4F4CR16XOV
Engine4.0 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI / MULTI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Fuel Economy, MIL Lamp On
OccursAlways

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0174Fuel System Too Lean (Bank 2)