The 2007 GMC Sierra-1500 has a V8 engine.
The 2012 GMC Sierra-1500-Hybrid has a V8 engine.
The 2013 GMC Sierra-1500-Hybrid has a V8 engine.
The 2010 GMC Sierra-1500-Hybrid has a V8 engine.
The 2011 GMC Sierra-1500-Hybrid has a V8 engine.
The 2009 GMC Sierra-1500-Hybrid has a V8 engine.
The sensor is right behind the thermostat housing.
I own a 1990 GMC Sierra 1500 5.7L V8. My fuel filter is located along the frame rail under the cab on the driver's side of the truck. You might look there for the filter on your 1989 Sierra. It's an inline silver colored canister.
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Under the housing where the lower radiator hose hooks to the engine.
The 1999 GMC 1500 PU equipped with the 5.0L V8 have an undercar in-line EFI filter. The filter is located directly upstream of the fuel tank in the gasoline line going to the engine. The OEM AC Delco replacement fuel filter is #GF652.
hot wire