1991 Chev Cavalier Won't Start - Fuel System


Question: sometimes engine will not start after being driven about 1 mile to work. the car will set from 4pm to 12 midnight. but afteryou crank the car for a little while it will start. drive the car back home and let it set until 4pm the next day the engine starts without fail. tonight i let the car set for 24 hours and it started right up but there is a strong smell of gas like it is trying to flood. the oxygen sensor has been replaced with new. also a coolant sensor that turns on the cooling fan has been replaced with new. and a used map sensor has been installed. the fuel pressure is 13 psi, the i.a.c. motor has been cleaned by a professional the fuel filter and air filter is new, the spark plugs and wires are new.

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Technican: Try holding the pedal to the floor to shut off the fuel. It does sound like it is flooded. I have come across two cars, one being my own that tends to flood if started, driven a short distance, or just turned off after 30 seconds. I have not been able to find out why. I just hold the throttle down until it starts. When driven for awhile and shut down. This does not occur. Both of these cars are quite new. I will keep checking. Tyler

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