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1999 Chevrolet Tahoe LS 5.7L Pre Detonation
Posted to GM Driveability on 11/2/2008 29 Replies

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...

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  Related Documents & Media  1999 Chevrolet Tahoe LS

 
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car Vehicle Data

1999 Chevrolet Tahoe LS

VIN 1GNEK13R6X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CFI
EmissionsOBD-II Compliant
SymptomsPre Detonation
OccursHot, Under Load, on Accel
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Tahoe LS

VIN 1GNEK13R6X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CFI
EmissionsOBD-II Compliant
SymptomsPre Detonation
OccursHot, Under Load, on Accel