1999 Chevrolet Tahoe LS 5.7L Pre Detonation
Enine is pinging uder lite accelation over 40 mph, EGR valve has been replaced and tested will stall engine at idle, All data looks good Temp, O2 sensors, Knock sensor retarding 4 degrees EGR open %, Timing,Ect. Question on cam retard sensor steady @ 8 degrees...
FIX posted 11/18/2008
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Message Closed w/FIX
Vehicle Data1999 Chevrolet Tahoe LS
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Message Closed w/FIX
Vehicle Data
1999 Chevrolet Tahoe LS
VIN | 1GNEK13R6X |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / CFI |
Emissions | OBD-II Compliant |
Symptoms | Pre Detonation |
Occurs | Hot, Under Load, on Accel |