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1999 GMC Sierra 1500 SL, CKP Sensor, CMP Sensor Waveform
This is a good cam crk sensor relationship at 2900 rpm This crk sensor has 48 pulses to 2 turns off cam and is good. If you have a symptom that vehicle will not rev over 2400 rpm without backfire and bucking check to see if you loose a pulse at higher rpm only...
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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 Good |
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 Good |
Video