Question about 2001 kawasaki ZZR 600

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Fuel flow is high and floods engine right away

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Possibly a bad throttle position sensor or fuel control box, do you have an aftermarket fuel contol or stock? also, what have you changed immediatley prior to this problem happening?

Posted on Aug 23, 2010

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I just had the High Pressured fuel pump replaced and the engine is still being flooded with fuel. The compression rate is at 64 and it's running bad. Please help!


Check the fuel pressure regulator and the fuel return line to the fuel tank for a restriction to flow. The map sensor will cause the flooding if it malfunctions too.

Dec 18, 2015 | 2007 Mini Cooper S

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I have black soot coming from the exhaust and my truck wont idle. What causes this?


Usually its too much fuel.
Is the check engine light on ?

Oct 03, 2015 | Cars & Trucks

1 Answer

2008 envoy code reader showing high purge flow on the evaporitiv emission system po402 have replaced gas cap and evaporate valve to no avail the vehicle is also slow starting after filling with gas


common problem with those mods ,is evap purge valve would get stuck open,then after shutdown vapors from fuel supply sys would flood engine with excessive fuel vapor ,so when you go to start vehicle it would act like a flooded engine and take longer cranking before it starts,try holding gas pedal to floor after a 15 min shutdown and see if starts faster,i believe that purge valve is along the d/s of the engine block.

Nov 22, 2013 | Cars & Trucks

1 Answer

1997 ford contour


hold pedal to floor and it tries to start ! Not sure if your vehicle has clear flood mode , Most vehicle have clear flood mode strategy programmed in the ECU , PCM ,ECM .when you hold the accelerator pedal to the floor the engine computer cuts down on the injector on time to clear a flooded engine .
Fuel pressure regulator problem ,maybe ! You say there was a blown fuel pump fuse an you replaced it ? Fuse's don't blow for no reason ? Fuel pump bad , short , too much current !
Disconnect the mass air flow sensor an see if it starts !

Apr 24, 2017 | Cars & Trucks

1 Answer

Bogs down at high rpm


check for fuel flow from the tank . check for blocked fuel filter. check that the choke butterfly is not being allowed to close at high air flow causing the engine to flood.

May 05, 2013 | 2003 Triumph Bonneville America

1 Answer

I have a 2000 kia sportage 2.0 liter engine. it will not start right away like it should, it takes a few times to get it to actually start and run, then when u turn it off it wont start up again. A me


replace fuel filter replace air filter,clean fuel injectors because they could be dirty clogged with carbon causing injectors to stick open and keep spraying fuel when engine off flooding engine.code scan for faulty engine coolant temperature sensor or CMP sensor.

Oct 01, 2012 | 2000 Kia Sportage

1 Answer

94 subaru legacy wagon will start and run for a few seconds if the fuel pump is disconnected but won't start at all when reconneced.


Check for a very dirty air filter or an obstruction in the air intake. (Engine not getting enough air so mixture is too rich.) Check for fuel pressure to be correct and not too high with the pump running. If it is too high, check that the fuel pressure regulator is working.

Try this: connect the fuel pump but disconnect the cold start fuel injector. If you can get it to start and run, then fuel pressure being too high is most likely. When the cold start injector turns on, the extra pressure is causing more fuel to flow through the injector than normal and the engine floods out.

Feb 09, 2011 | 1994 Subaru Legacy Outdoor

1 Answer

Engine floods when started,replaced oxegen sensor, fuel flow regulator, fuel filter would maf sensor or the idle arm control cause this flooding


Generally, the first thing to check with an engine that floods on warm start is the water temperature sensor that talks to the fuel injection system. The only way the fuel injection system knows how much fuel to supply right after startup is by checking the water temperature. If the sensor says the water is cold, the fuel injection system will supply a lot of fuel. If the reading is in the valid range (just inaccurate) the computer will not recognize that the sensor is bad.
There are other possible problems, but this is where I would start. Someone needs to measure the resistance across this sensor and compare it to a chart in the manual to see if the resistance is correct for the current temperature that the sensor is seeing.

Jan 26, 2011 | BMW 525 Cars & Trucks

1 Answer

It starts great but after we go somewhere and turn the engine off, it won't start until 45 min to 1 hr. It sounds flooded. but then after the time passes, it starts great again. have change mass flow...


Have a fuel pressure test done to find out if the pump or the fuel pressure regulator is at fault. If the pressure is low, the fuel pump is weak and can't keep up with the demand for fuel.
If it is high, the pressure regulator is at fault causing to much pressure rusulting in a flooding situation.

Aug 11, 2010 | 1999 Toyota 4Runner

1 Answer

Idles rough when warmed up and also idles high even with idle turned down,motor also acts like its runnin out of fuel if under hard acceleratin


It has a carburetor where the fuel and air mixture is fed to the cylinder, tuning of the engine has to done by adjusting the flow(volume) of both fuel & air. In your case the fuel flow is more and for acceleration a butterfly valve allows momentary more flow of fuel to the cylinder & piston for the engine to compensate/respond to to demand of extra power. However the air flow is constant, thus in your case more fuel but same amount of air floods the cylinder and it feels like like some thing typical choking sound...............sodeep

Oct 27, 2009 | 1987 Mitsubishi Mighty Max

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