Easy answer: Its the first one on the left, in the front. Complicated answer: The front of the motor is the side with the Drive Belt. The left and right of the motor is designated as if you were laying on top of it, with your head at the front of the motor. The left side of the engine is the 1-3-5 side. The right side is 2-4-6. The number 1 (#1) cylinder is always on the left side of the motor, but figuring out which side is left is always opposite what you think, and in front-wheel drive cars, it is backwards and sideways. Basically the #1 is just left of the belts in most cases, but you need to understand it is left looking from the rear. So anyways the #1 cylinder is just in front of you, the first one on your left.
green
Mounted on top of the tank.
the firing order will be located on the intake usually the aluminum part of the engine on the top you may need a lite to seeit
Maybe a bad valve
It is located on the firewall right behind carborator.
facing the car it is on the bottom right side. Turn the vavlve counter clockwise and pull out.
it should be behind the gas tank near the back bumper. look for a tube from the tank and a larger cylinder attached to it
where is the oxygen sensor located on a 1997 Chevrolet lumina
without it rubbing, a 31/10.5/15
It should be under the air filter, which needs to be removed temporarily to access the low(blue) charge valve.
It is located in the fuel tank. Unless there is an access panel in the trunk or under the rear seat, the tank must be removed in order to install the pump.
On the bottom/back of the engine