There are a couple of reasons why a car will turn over but only start sometimes. There could be a starter issue or a spark plug issue.
Does the engine turn over every time you try, or does it sometimes do nothing when you turn the key?
loose alternator belt
If your car is cranking over and the starter is good, check your sparkplugs to make sure their firing. Good luck with the project.
1997 cadillac deville will not turn over
The ignition switch completes the circuit of electricity from the battery to the starter that actually turn the engine over and starts it.The ignition switch completes the circuit of electricity from the battery to the starter that actually turn the engine over and starts it.
Clean your battery terminals.
When you turn your magellan roadmate 700 on it starts you off at the last place you visited in about 20 minutes it starts over at where you began your trip?
check your crankshaft sensor
Could be the starter or ignition switch...does the car crank/turn over when you turn the key? If you just turn the key and it 'clicks' it might be the ignition switch. I've had this problem before, and it ended up being the alternator. HOpe this helps!
If your under a lot of stress, you sometimes turn to food for comfort, and it starts a habit. Or you just like to eat.
Since the starter is good but will not turn the engine over when hot, check the engine for free rotation. Turn the engine over by moving the crank by hand (with the ignition off.) The engine could be sticking when hot and not be able to turn over.
If the injectors on a 1991 Honda Accord are working well than proceed to check the main relay and fuel filter. Replace the components if they are worn and check the engine with a diagnostic test.