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2000 GMC K2500 Sierra SL 5.7L No Start
Posted to GM Driveability on 2/24/2018 20 Replies

Ignition system has no spark, coil checked good, 12V on ckt 439 to coil good (verified, not ghost V), good square wave to VCM on ckt 573, good square wave on ckt 423 from VCM to ICM, ground for ICM(ckt 451 good). Primary signal waveform from ICM to ignitio...

20 Replies Received (View Replies)

  Related Documents & Media  2000 GMC K2500 Sierra SL

 
Message Closed w/FIX

car Vehicle Data

2000 GMC K2500 Sierra SL

VIN 1GTGK24R3Y
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / CFI
EmissionsOBD-II Compliant
SymptomsNo Start
OccursAlways

Trouble Codes

P0327Knock Sensor Front Circuit Low Voltage
Message Closed w/FIX

car Vehicle Data

2000 GMC K2500 Sierra SL

VIN 1GTGK24R3Y
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / CFI
EmissionsOBD-II Compliant
SymptomsNo Start
OccursAlways

Trouble Codes

P0327Knock Sensor Front Circuit Low Voltage