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1997 GMC Yukon SLE 5.7L Pinging / SparkKnock
Posted to GM Driveability on 11/26/2008 15 Replies

Engine was pinging when presented, reasonably constant, suspected EGR problem........

Note: MIL lamp was disabled (NOT HERE!) and is not functioning!

1)Checked for codes found; P1870 TCC slip & p0300... Scan data shows aprox.250-290 rpm tcc slip (high gear ...

15 Replies Received (View Replies)

  Related Documents & Media  1997 GMC Yukon SLE

 
Message Closed w/FIX

car Vehicle Data

1997 GMC Yukon SLE

VIN 1GKEK13R3V
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CENTRAL SFI
EmissionsOBD-II Compliant
SymptomsPinging / Sparkknock
OccursHot, Under Load, on Accel, Mild Accel

Trouble Codes

P0300Multiple Misfire Detected
P1870Transmission Component Slipping Malfunction
Message Closed w/FIX

car Vehicle Data

1997 GMC Yukon SLE

VIN 1GKEK13R3V
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CENTRAL SFI
EmissionsOBD-II Compliant
SymptomsPinging / Sparkknock
OccursHot, Under Load, on Accel, Mild Accel

Trouble Codes

P0300Multiple Misfire Detected
P1870Transmission Component Slipping Malfunction