I am having an issue with my firebird. its a 2.8 v6 and it ran good a few months ago. now it wont start. I replaced the button and cap on the distributer and still nothing. I hear the fuel pump running when I turn the key. when I first turn the engine over, it spudders for a second then nothing. what you guys think the issue might be?
Just pull the easiest spark plug to pull, plug it back in to the plug wire and rest it on the exhaust manifold to ground the body. Have an assistant crank it over while you watch the plug for spark. If you have spark then it's likely not the ignition system.
Also, I've had several electric fuel pumps that run but don't put out enough pressure to start the car. Check/replace your fuel filter first, but you may need to rent or borrow a fuel pressure gauge to see what the pump is really doing.