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You need to determine if it losing electrics or fuel. Does it sputter as it dies, or just dead off? Dead off usually means spark circuit has been interrupted. Think of things such as bad coil, crank sensor, ignition module. These items have electrical coils inside, which can develop a crack in a wire which heats as running and fails, then cools and will run again. If it seems fuel related, first check for bad gas cap vent, then use fuel pressure gauge situated so that you can see it while driving and see if pressure drops just before car dies. This could mean bad fuel pump, dirty filter, bad relay.
The reason seems to be vacuum leak. Try replacing the vacuum
hose. Vacuum in engine is used to pump the fuel in engine cylinder and to keep
the ride in proper working condition. Vacuum leak can be one of the symptoms
responsible for vacuum leak.
Yes it could be the coil or a number of other electrical components. You would need to figure out if you have lost spark to the plugs or fuel pressure when the engine quits. It could be a relay, the fuel pump, the coil or igniter, or a long list of other things.
There are many things that can cause an engine to die. The first thing you need to do is to find out what went away that caused it to die. Did it lose spark? did it lose fuel? Did the idle air control shut down and cut off the air flow? Is it losing electrical power? If so, which circuits are being affected? Are there any fault codes stored in the onboard engine computer?
...lots of variables here. Need lots more information to pinpoint the cause.
I'm not sure about the belt set up, it should be on a sticker under the hood. But losing your alt can cause the car to die due to loss of electrical power to run the computer, fuel pump, coils, ext. on some cars you can run for awhile on the battery, but eventually it'll die. Some cars are set up to die if the alt fails so that the rest of the cars systems can still be used
Check your battery terminals. Clean them up with a baking soda water solution of 1tblsp to 1 quart of water. 98% of the time you have an electrical problem it is the battery. How old is the battery? If it is 3 yrs or older it is on its way out. My e-mail [email protected]
Quite a few things can cause a car to die after idling for awhile, but if you have verified that the fuel pressure is actually dropping when the motor dies, the likely culprits are: 1) Electric fuel pump in the gas tank is bad 2) The fuel pressure regulator (on the throttle body) is bad 3) An electrical problem in the power to the fuel pump (like a bad fuel pump relay or lose ground wire to the relay's circuit)
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