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International Automotive Technicians Network
2000 Hummer H1 6.5L Excessive Emissions
Posted to GM Driveability on 3/28/2005 3 Replies

Hello group,

-mixture of black & grey smoke (mostly just after startup) -vehicle performance is normal -seem to hear a knock from engine that is tied to variable rpms (it comes & goes), The oil is approx 1 to 2 qts. low, we are about to do an oil change. My f...

3 Replies Received (View Replies)

 
Message Closed w/FIX

car Vehicle Data

2000 Hummer H1

VIN 137ZA8434Y
Engine6.5 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFI / Diesel
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursIdle, Intermittently
Message Closed w/FIX

car Vehicle Data

2000 Hummer H1

VIN 137ZA8434Y
Engine6.5 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFI / Diesel
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursIdle, Intermittently