its programmed into the ECM. you would need a reprogrammed one or have yours reprogrammed. some ECM's had chips you could change. depends on the model ECM though.
unleaded, 89 or higher for a vortec.
Speed is controlled by the ECU (Computer).
1,5.3,6.2,4
well dip$hit gmc make vortec
Your 2000 GMC Sierra Vortec might be hard to start because the battery or the starter are worn or dead. The GMC Sierra might also be hard to start because of a clogged fuel filter.
Diagrams for a 5.7L Vortec Engine for a 1999 GMC Yukon can be found in GMC forums online, or in an image search. They can also be found in the repair book found in auto shops.
you would need to change the cylinder heads also.See link below
If your 1997 GMC 5.7L Vortec has a misfire at an idle but not while under throttle, the problem is likely the timing. This can be adjusted.
No, its got a 5.7L V8, 350 vortec
18436572
The horsepower of a GMC Sierra is 355 hp.
yes it does but the engine does not shut off it jus stays at 100mph and 4000 rpm