Intake manifold for 97 chevy tahoe - Tahoe Chevrolet Cars & Trucks

No, you shouldn't need to disturb the intake

A high idle is common with a vacuum leak. Ive done plenty of chevy intake manifold gaskets due to the gasket failing.

The sensor is in the side of the transmission where the speedo cable once was.

the upper intake is plastic the lower intake is aluminum

make sure oil sending unit is plugged in check for vacuum leak between two piece manifold pull spark plugs after trying to start look for wet gas foul

remove the intake manifold ,remove radiator ,remove radiator intake and outake housing, remove fan ,remove all belts: power steering, alternator and if you have a/c, remove harmonic balancer ,remove timing belt covers, remove timing belt remove intake housinng once you have remove all the above, your freaken engine will look naked, you can see the location of the knock sensor is locate in the engine valley

it could but- check passenger side front where heater core line go into manifold right behind alternator the hose line is connected by a press clip into an alloy fitting this fitting gets eaten away by anti freeze and hose angle pulls back on fitting the part is $18 at dealer and is screwed into manifold use caution if ur r going to replace at very edge of aluminum manifold---and check ur water pump bolts the 2 longer ones should have a lock sealant on them they bolt in thru a water jacket

If you look at the top of the upper intake manifold plenum with the air intake duct work off you will see 2 shiny fuel tubes that feed into the fuel meter body. The fuel meter body also has an electrical connector right in the middle of it. The pressure regulator is mounted on the side of that body. You'll have to remove the upper intake manifold manifold to replace it. Before you do that, be sure to bleed the pressure off the fuel system.

its in the block behind intake manifold .

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c1528008effd
this should help