My car turned off at a stop sign and wouldn't turn back on. My gas indicator is known to act up, so I started there and got it a gallon of gas. That initially worked and got the car to the gas station and back. I noticed when i filled it, though, it didn't put in 9, gallons, it put in 4, meaning it had gas in it, already. After I got it back to my driveway, it wouldn't turn on again. It will turn over, and I can hear the fuel pump start and stop normally on the run position. I don't know engine stuff too well and I can easily get lost looking at some of the guides in the manual, but it's something I've been meaning to learn. How can I diagnose and fix this?

Does the tachometer move while cranking? If not, replace the ICM

quote Originally posted by billybacon: I can hear the fuel pump start and stop normally on the run position.

Doesn't mean that there's necessarily enough (or any!) fuel pressure. Check the fuel pressure with a tester and/or try starting the engine using starting fluid. If it starts, you've got a fuel delivery issue. If it still doesn't start, you've probably got an ignition issue, and if so, it's often the ICM (see previous post) that's failed.

[This message has been edited by Patrick (edited 11-10-2021).]

quote Originally posted by billybacon: My car turned off at a stop sign and wouldn't turn back on. My gas indicator is known to act up, so I started there and got it a gallon of gas. That initially worked and got the car to the gas station and back. I noticed when i filled it, though, it didn't put in 9, gallons, it put in 4, meaning it had gas in it, already. After I got it back to my driveway, it wouldn't turn on again. It will turn over, and I can hear the fuel pump start and stop normally on the run position. I don't know engine stuff too well and I can easily get lost looking at some of the guides in the manual, but it's something I've been meaning to learn. How can I diagnose and fix this?

Get some starting fluid and spray it into the air intake. If the car starts and then stops, you have a fuel delivery problem. If not, you have an ignition/electrical problem. This will point you in the right direction as far as where you need to be looking...

What Engine?

Example:
L4 first check is look into oil fill hole and watch rockers move while someone else starts the car.
No move = very likely timing gear failed.

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quote Originally posted by theogre: What Engine? Example: L4 first check is look into oil fill hole and watch rockers move while someone else starts the car. No move = very likely timing gear failed.

It's a rebuilt iron duke at ~50k miles.

Get in the car and start it while pressing the gas.
Have someone spray starting fluid in here.