The question you ask is too involved for a proper answer. You need to go to a car parts store, and get a repair manual for your car. They cost about $16.00
can you clean a egr valve on a 1995 pontiac firebird with a 3.,4 litre motor
By taking it to a GM certified auto technician.
its bolted to the motor
275 with the V8
Chevy 350 LT1
160 hp
300 horse if it's a V8.
under the hood on the drivers side.
The fuel pump in any car is tricky, using its diagram can make the repairs easier. The diagram for a 1995 Pontiac Firebird fuel pump can be found in its maintenance manual.
take apart the thermostat housing and pop it out be sure and replace the gasket too. There should be two bolts holding it together.
Someone put it there.
it's inside the gas tank