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International Automotive Technicians Network
2001 Mazda Protege LX 2.0L Poor Fuel Economy
Posted to Asian Driveability on 4/14/2004 12 Replies

we dont under stand why the car goes into open loop while driving at freeway speeds at 64mph the fuel control is steady but the system shows open loop fault while driving and if you stay at 40 mph the p1170 code will never set. the car is useing alot of gas.

12 Replies Received (View Replies)

  Related Documents & Media  2001 Mazda Protege LX

 
Message Closed w/FIX

car Vehicle Data

2001 Mazda Protege LX

VIN JM1BJ22201
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy
OccursCruise

Trouble Codes

P1170Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Stuck At Mid-Range
Message Closed w/FIX

car Vehicle Data

2001 Mazda Protege LX

VIN JM1BJ22201
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy
OccursCruise

Trouble Codes

P1170Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Stuck At Mid-Range