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1993 Mercury Cougar, ISC Waveform
This is the scope pattern of the new OEM IAC valve. Other than an increase in signal amplitude, I can see a major difference between this one and the bad one.
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| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | |
| Condition | Known Good |
References
Vehicle Data
1993 Mercury Cougar XR-7 5.0L
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | |
| Condition | Known Good |
Video