It will turn over but acts like it is flooded the engine just spins over and over.. we can hold accelerator to the floor and it supposedly resets something, then it will start. seems like it only does it after it sits a few days and in cold weather has done it a few times
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If starter doesn't spin everytime. Clean battery terminals and a connection. Check connection at starter. Try putting into neutral to start. If starter still doesn't turn car over everytime. Probably starter solenoid. If starter spins every time and doesn't start check temperature sensor. My car once started only when sitting for a couple of hours. Because sensor was saying it was really cold and it would flood it. Had to push gas peddle to floor and hold it there until started. If that is the case change temperature sensor. If car is after mid 90s take and get it scanned.
Fuel injected engines don't need to be pumped before starting, if you do flooding can occur. Make a conscious effort NOT to touch the pedal until after you turn the key to the start position and the engine actually starts.
When the coolant temp.sensor fails it causes the engine to flood and be slow to start.Turn it off and it will restart normally. Change the sensor. The engine will start normally and fuel mileage will improve.
may be flooded. hold down gas pedal all the way and crank the engine, after a short time the engine will start to splutter and sound like it will fire. ease the gas pedal off slowly, while cranking, enough to get the engine started it may take a couple of goes. it may blow grey smoke when you get it going this will be raw fuel. holding the gas pedal down all the way, the engine will go into CLEAR FLOOD MODE and the injectors will not deliver any more fuel, until you ease off the pedal. check for dribbling injectors and the shop.
I would start with the fuel filter, then the fuel pressure regulator. If those two are not the source of the problem you may also find the issue in the idle air speed solenoid. A couple of other places you can look is the air filter, the mass air flow sensor, or actually just cleaning the throttle bore. Hope this helps, good luck!
Do you have a Wankel engine in you car? Then you have a flooded engine. Pull the fuel pump fuse or relay and crank the engine over......until it starts then stops. Now put relay or fuse back and start. You cannot start and stop a Wankel in a Mazda RX when it is in it's cold mode and restart it easily. Always run them for at least 10 min before shutting it off. The other way to start after flooding.....is wait a day.