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1999 GMC Sierra 1500 SL, CKP Sensor, CMP Sensor Waveform
Blue crank sensor Red cam sensor Green ground for crk Orange power for crk This vehicle would not rev over 2400 rpm ignition break down and back fire would [...] should be 24 pulses between cam pulse notice the intermitant loss of one [...] would only happen u...
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| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | , |
| Condition | Known Bad |
References
Vehicle Data
1999 GMC Sierra 1500 SL 5.3L
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | , |
| Condition | Known Bad |
Video