No.
The low side pressure port for the 1999 Monte Carlo should be on a pipe against the firewall. It is just to the left of the Dipstick.
where is my hood latch located on my 1999 Chevy silverado pickup
where do I find the egr valve on a 1999 Chevy Cavalier?
The one that is in the biggest line, You have a small line and a big line. The big line is the low side, and the small line is the high side.
It does not have lock outs. NEVER DID
The ERG valve on a 1999 Chevy Express van is near the carburetor. It is bolted on the intake manifold.
Under the air filter compartment.
The Oil Pressure Switch is located on the driver's side top rear of the engine on your Chevy Pickup.
Yes.
try Haynes.com
How do i replace the purge valve on a 1999 Chevy Monte Carlo