Question about 2002 Chrysler Town & Country

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Flood at start and general over rich condition

This is a 2002 chry. t&c w/ a 3.3. when I start it in the morning cold I have to press the pedal to the floor to start it as it is flooded. It runs nice and smooth when warmed up but has a serious rotten egg smell to the exhaust and fuel mileage went way down, it just started to do this. It has always run good otherwise and got real good mileage. Any suggestions would be deeply appreciated as I can't really afford to take it to the garage for troublshooting. I'm capable of fixing if I know whats wrong or what to check.     thank you very much........John

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It might be the 02 sensor.You can take the o2 sensor out and if it is caked with black crud it is no good

Posted on Jan 19, 2009

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Will not start when engine is warm sounds like it is flooded cold engine OK


Bad coolant temp sensor--makes ECU think engine is still cold so sends too long injector pulse flooding engine. Very common, and easy fix.

Apr 02, 2016 | Cars & Trucks

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2001 sunfire start good cold but not when engine is hot


It sounds like you have a "flooding" problem, where you are getting too much fuel on the warm start. It takes more fuel to start a cold engine than a warm one. By holding the pedal the pedal to the floor, you are telling the computer to do a "clear flood" operation, and that lets you start the car. The culprit is probably the Coolant Temperature Sensor. If this is faulty, it will tell the computer that that the coolant (thus the engine) is much cooler than it really is. This results in the engine flooding when warm. It may also run rough at idle after warm start since it is still getting too much fuel. You will also notice a massive loss of fuel economy. Replace the coolant temperature sensor.

Jan 03, 2014 | Cars & Trucks

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91 944 3.0 acts like it flooded when starting then clears up and runs fine


Hello there
Check your cold start valve(injector) it is probably leaking
proporsche

Feb 17, 2013 | 1991 Porsche 944

2 Answers

Floods when cold


Define flooding.

  1. Black smoke out of the tail pipe?

If the fuel return line is plugged,it will flood.If the fuel pressure regulator has lost its vacuum signal ,it will flood.

If there is a large vacuum leak,the O2 will see a lean condition and cause the rich condition.gas mileage will suck,big time.

This "flooding" happens when the engine is cold? ONLY?
Be sure the air filter is not clogged and the PCV is not plugged up solid.
Also,there are a few tubes from the valve cover that vents oil vapors into the air filter housing.

During this flood mode,hold the pedal to the floor and shut the engine OFF-it should NOT keep running.(Leaky injectors)...

Do this when engine is hot and cold.

Dec 25, 2012 | 1990 Volvo 740

1 Answer

Van is not starting.it is truning over and there is there is a smell of gas


sounds flooded, hold gas pedal to floor and try to start,if starts keep pedal down until motor clears out and runs good, if no start, check spark plugs. maybe fuel fouled and need replaced. make sure you have spark before installing new plugs.

Mar 14, 2010 | 2002 Kia Sedona

2 Answers

Experienced recent cold weather. Car will not


It's flooded like you say.
If it's really flooded, you'll have to remove plugs and dry them off.
Install them.
Now when you crank engine, hold gas pedal to floor.
That will stop gas from spraying into engine.
You need to get the gas out of the engine for it to start.
Crank for 20-30 seconds with pedal to floor. Do this 3 times waiting 2-3 minutes inbetween cranks.
The starter needs to cool down.
Then after that start normally and see if it will start.
Remember if it will not start after 2 attempts, then the possiblity of it flooding is there and you'll have to clear out the gas by holding the pedal to the floor again.

Jan 15, 2010 | 1993 Oldsmobile Eighty Eight

1 Answer

03 Honda Accord EX will occasionally flood on a cold morning; ~17 F etc. After it has warmed up and all other times it starts OK. This does not happen often but I am concerned that it will leave my wife...


When it's very cold and the car will start right away, the most common thing that happens is the engine will flood. When you turn the key to start, the gas is sprayed into the engine. It does not know that the car didn't start and will continue to spray gas as long as the key it turned to start. That is why you should not crank for longer than 20-30 seconds at a time.
Then if it will not start, hold your gas pedal all the way to the floor, and the gas spray is stopped, so that the extra gas can be expelled. You can now try to start agian normally.

Jan 11, 2010 | 1992 Honda Accord

1 Answer

2004 Dodge Ram 1500 5.7 Hemi Quad won't start in morning


could be that the electronic throttle could be icing up. just remove the air cleaner and have someone cycle the key. the throttlebody will cycle prior to starting to do a self check. chrysler has a tsb out for this concern. tsb # 14-002-05

Jan 05, 2009 | 2004 Dodge Ram 1500

1 Answer

Hard to start


90''s are diff. and very very old.
that is secret unflood mode.
and that is correct car is flooded.
no choke in usa or canada.
tracker is n.american car. assembled in canada.
no carbi

fooding can be cause by 20 things,
but here are a few; by lickely

1: huge need of a tune up.
2: Injector seals leaking
3: injector leaking when off.
4: ECT sender bad or wires cut , dropped off.
5. ISC stuck fully closed, (no air ,floods)
6: iAC , clogged.
7: fuel press. regulator stuck closed and fuel pressure running 2x normal at 65psi
8: fuel return line pinched or clogged.

that is my top lists.




Jul 30, 2008 | 1990 Geo Tracker

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