Lh6 Engine Rpo

[neto1978]

IS IT FLEX FUEL?

[bossier62guy]

IS IT FLEX FUEL?

 

Nope

[Josh]

http://www.gm-trucks.com/rpo-code-lookup/?find=lh6

 

LH6 Engine, Vortec 5.3L V8 SFI

LH6 Engine, Vortec 5.3L Gen IV V8 SFI

LH6 Engine, Vortec 5300 V8 SFI

LH6 ENGINE GAS, 8 CYL, 5.3L, SFI, ALUM, CYLINDER DEACTIVATIONHO, GM

LH6 ENGINE DIESEL, 8 CYL, 6.2L

[GPSilverado]

A quick way to tell if a vehicle is Flex Fuel or not is to look at the gas cap. If the gas cap is yellow, it is a flex fuel vehicle. If the gas cap is black, it may not be. This is of course on GM vehicles, and only if the fuel cap hasn't been changed.