Several factors could cause a 1991 Chrysler Fifth Avenue not to start when engaging the ignition. Common issues include a dead battery, faulty starter motor, or ignition system problems such as a bad ignition switch or worn-out spark plugs. Fuel delivery issues, such as a clogged fuel filter or a malfunctioning fuel pump, can also prevent the engine from starting. Additionally, electrical problems, such as blown fuses or corroded connections, may contribute to the issue.
Timing issue - either cam or ignition.
It sounds like your dizzy cap isn't lined right which causes the engine to stay running after the ignition has been switched off. i had the same problem with my fiesta
If a Mazda 929 won't start after running, it could be due to several issues, including a faulty ignition system, a failing fuel pump, or a problem with the relay responsible for starting the engine. Heat can exacerbate electrical issues, causing components like the ignition coil or relays to fail temporarily. Additionally, a weak battery or poor connections can prevent the car from starting after it has been running. It's advisable to check these components and connections for proper function and any signs of wear.
Probally the crank shaft position sensorid replace that first next would check ignition module under ciolpack
Time for an IGNITION switch
The cause for an error code p1361 on a Buick Park Avenue is ignition control circuit low voltage. The power or wiring leading into the circuit is damaged or incorrect.
Not running on all cylinders? Bad spark plug or wire? Bad ignition coil (if C.O.P.)? Bad valve? etc.?
If a 1991 Chrysler Fifth Avenue starts but doesn't stay running, it could be due to several issues. Common causes include a faulty fuel pump, clogged fuel filter, or issues with the ignition system, such as a bad ignition coil or spark plugs. Additionally, problems with the idle air control valve or vacuum leaks can disrupt the engine's air-fuel mixture, leading to stalling. A thorough diagnostic check is recommended to pinpoint the exact cause.
You need a new ignition cylinder with a new key with the right resistor.
Are you talking about starting it or running it?
It could be the electrical ignition system. there is a recall, dealers will replace the ignition relay free of charge. check it out. Pontiac tele. #1-800-620-7668
If your battery is fully charged and the connections are clean and tight, the problem is probably that the contacts in the switch are corroded or worn, meaning your ignition switch will have to be replaced.