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If the secondary air injection failure code comes up you shold propably check the air pump fuse. I think it is call the air pump. The fuse is rather big. Sometimes water gets into the air pump and causes it to trip out. the fuse is loacated on the front pasengerside close to the bumper. Some people say that you will know that the fuse is out on the air pump because the hood light goes out. That's not really true in all cases.
Its in the fuse block - underhood.......
Air solenoid fuse would be for the secondary air injection system. This is an emission system component. You may not notice any issues with it missing. Some cars don't have it even though it is in the fuse box location.
in the fuse box
Dome light fuse for 2004 Bravada is fuse#4 (10amp) in fuse box underneath back seat on driver's side
It does have fuel injection. It may not be working but it has it. If it is not working then the fuel pump may have failed or the fuse is blown or relay is bad.
The TCCM (Transfer Case Control Module) fuse on a 1999 Bravada is located in the engine compartment fuse box. The TCCM is located in the dash on the driver's side to the left of the steering wheel.
it is on the right side fender behind the battery
Remove the abs fuse under the hood in the fuse box
yes the fuel injector relay is the same as the fuel pump relay.
The exact location of the Chevy Astro Van fuel injection pump fuse is dependent upon the year of the vehicle. The fuel injection pump fuse will be in the fuse box. The location of the fuse will be listed on the inside cover of the fuse box.
on the passenger front fender between the battery and fender