Engine Floods after brief start and run when cold -then shut off
Our 1996 Odyssey flooded out and wouldn't start after backing out of garage on a 40 degree day, turning it off to wash it, then pulling it back in the garage 20 minutes later. Engine was not wet. Garage restarted it by holding foot to floor on gas pedal and cranking 5-10 seconds. Apparently this stops the fuel flow.
Car running fine now. Never happened before. Is there a problem?
Car has 160,000 miles on it. Well maintained. Runs well and gets good mileage 20 city to 27-30 highway.
Re: Engine Floods after brief start and run when cold...
Local mechanic determined engine was flooded and started it by holding throttle to the floor and cranking 5-7 seconds - then the engine sputtered to life. It has run perfectly before and since and I'm at a bit of loss to understand why this occurred this one time - so far. It's been driven now 5 days with no problems.
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doble check the alternator... take it to a different shop or mechanic, check the battery, maybe the battery is dead or it does not storing energy... if it not solve the problem, check for grounded wires, cables....
You've actually diagnosed your own problem. It essentially is flooded and that is because your Engine Coolant Temperature Sensor (ECTS) is bad and telling the PCM that the engine is -40F (40 degrees below zero).
Replace the stock plastic one which cracks with a new brass one found at Autozone or the like. It's a 10 minute job and requires a 13MM deep well socket.
If there is a distributor on this model,remove the cap and rotor,and dry them out with wd 40 and blow them out,including the distributor,with air.Do not leave the wd 40in the cap,or distributor.Dry them out with dry paper towel.This should get you started back up.Let it run and watch gauges and it will dry itself out even more.
Does it actually crank? If so and doesnt start then its probably flooded. Been a problem with those cars since they came out but not to feel bad theres quite a few cars that flood easy do to certain sensors. If not turning over but just clicks then battery issue just keep in mind every time try to start and it doesnt that more fuel enters the system and doesnt burn off which means more flooding (to much fuel)
sounds very much like the coolant temp sensor
, this tells the pcm that the engine is cold, sometimes they fail and tell the pcm the car is at -40 degrees, the pcm then tries to compensate by keeping the injectors open for too long flooding the engine. the part is inexpensive, and normally easy to replace. It can be checked with a scan tool, or a volt/ohms tester,