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1998 GMC VS, ECM/Inputs/Outputs Waveform
AS soon as the RPM is raised, even though the engine is in warm-up mode, STFT and LTFT begin to control the air/fuel ratio.
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| Engine | 3.8 L / 6 cyl |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Condition | Known Good |
Vehicle Data
1998 GMC VS 3.8L
| Engine | 3.8 L / 6 cyl |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Condition | Known Good |
Video