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1997 Mazda 626, HO2S Waveform
Waveforms taken on O2 sensors upstream and downstream of the warm-up
Catalyst. They have been moved to get the ground planes on the same
point.
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| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | |
| Condition | Unknown |
References
TECH: 1997 Mazda 626 P0421 - sponsorship finds the answer!
TECH: 96 Accent Code discriptions
TECH: Catalyst Monitor - P0420 Catalyst Efficiency below threshold.
TECH: Catalyst Monitor - P0420 Catalyst Efficiency below threshold.
THEORY: Pre and Post cat. O2 sensor graphs
THEORY: TechNight Topic: 'O2 Sensor Waveform Analysis' 2-20-2001
Vehicle Data
1997 Mazda 626 DX 2.0L
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | |
| Condition | Unknown |
References
TECH: 1997 Mazda 626 P0421 - sponsorship finds the answer!
TECH: 96 Accent Code discriptions
TECH: Catalyst Monitor - P0420 Catalyst Efficiency below threshold.
TECH: Catalyst Monitor - P0420 Catalyst Efficiency below threshold.
THEORY: Pre and Post cat. O2 sensor graphs
THEORY: TechNight Topic: 'O2 Sensor Waveform Analysis' 2-20-2001
Video