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Location of knock sensor 1991 GM sierra 350 2500?
That engine has 2 of them and there both are underneith the intake manifold. You can not see are get to them until you remove the intake.
Yes, there is a fuel sensor in a 2000 GMC Sierra.
Should be in the air intake snorkel.
The IAT sensor in your 2005 GMC Sierra pickup truck, 5.3 liter engine has three wires. The positive wire is red. The ground wire is black. The auxiliary wire is white.
Under dash on passenger side
The 2005 GMC Sierra-2500HD has 16 valves.
The 2005 GMC Sierra-1500 has 12 valves.
The 2005 GMC Sierra-2500HD has a V8 engine.
The 2005 GMC Sierra-1500 has a V6 engine.
The 2005 GMC Sierra-1500 has overhead valves (OHV).
The 2005 GMC Sierra-2500HD is a gas-powered vehicle.