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1990 Cadillac DeVille, Injector Waveform
Current ramp of one bank of injectors taken on a slow time base -- you are looking at three repetitions of the bank. In this waveform you can clealy see two injectors are shorted and drawing excessive current. This vehicle failed smog for excessive CO, the cat...
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| Engine | 4.5 L / 8 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle |
| Delivery | Fuel Injection |
| Subsystem | Fuel Supply |
| Component | |
| Condition | Known Bad |
References
Vehicle Data
1990 Cadillac DeVille 4.5L
| Engine | 4.5 L / 8 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle |
| Delivery | Fuel Injection |
| Subsystem | Fuel Supply |
| Component | |
| Condition | Known Bad |