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1999 Mazda 626 ES 2.5L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Poor Fuel Economy, MIL Lamp on
Posted to Asian Driveability on 1/28/2014 7 Replies

Hey fellas looking for a little help. Customer bought a craigslist lemon this mazda is always running poorly, has low engine vacuum, bank 1 is lean ltft 20% stft 28% bank 2 is rich ltft -20% stft -4%. The vacuum gauge fluctuates but all cylinders have 210 psi ...

7 Replies Received (View Replies)

  Related Documents & Media  1999 Mazda 626 ES

 
Message Closed w/FIX

car Vehicle Data

1999 Mazda 626 ES

VIN 1YVGF22D1X
Engine2.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge, Poor Fuel Economy, MIL Lamp On
OccursAlways, Idle

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0175Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

1999 Mazda 626 ES

VIN 1YVGF22D1X
Engine2.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge, Poor Fuel Economy, MIL Lamp On
OccursAlways, Idle

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0175Fuel System Too Lean (Bank 2)