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Ford 5.0 flooding on start have to hold gas to floor. new injectors, map sensor, fuel regulator, full tune up.

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What year?

Posted on Jul 13, 2013

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 93 5.7 blazer, flooding, getting too much gas

you need to replace the fuel pressure regualtor underneath the plenum , ck fuel pressure if it drops suddenly after you shut the engine down suspect fuel regualtor , use to have to replace the whole spider assembly now i think you can just replace the regulator

Posted on Dec 17, 2008

co7196
  • 3433 Answers

SOURCE: my ford ranger idles low and spits gas out the exhaust

Hello,
First confirm it is either gas or eastter. Wayer/condedste collects at the tail oip as a byproduct of the caralyctic converter on cold rngine It normally occurs on firts start of a cokd enginw. the ebgine idles low because it is col, but should reyutn to normsl after warm uo.. If for sure iys gasolinem and the engine runs eiygh, then angihector is bad, good luck. I hope this helped yyou

Posted on May 15, 2009

  • 3 Answers

SOURCE: when starting my 94 suburban, the fuel injectors flood the engine

replace them the seals at the top leak over time. Its throttle body injection and there are only 2 of them and are easy to replace.

Posted on Aug 05, 2009

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SOURCE: 94 saturn 1.9L flooding out

i bet the coolant temp sensor is bad,,,when the sensor cracks coolant leaks into and wrecks it and then the coolant leaks thru the sensor and into the harness,,,and this causes the car to dump too much fuel because the computer is seeing a temp that is not real and therefore the air fuel mixture is off and flooding the car,,,typical issue,replace the coolant temp sensor and then harness,,like $75 for both at saturn,,do not by the aftermarket ones,yes the cost less but they are junk and will not work either,,,also i bet if you put the gas pedal to the floor or pump it when this happens i bet the car starts and smokes when it does,,,,saturn redsigned the sensor for this reason,it was plastic and they made it brass so now it can not crack and leak,the aftermarket ones are still plastic junk

Posted on Oct 09, 2009

T0Max
  • 32 Answers

SOURCE: tbi flooding with gas,fuel pressure regulator

From your description it sounds like your ECU is believing you are at Wide Open Throttle (WOT) when conditions are to the contrary.

MAP sensor is a good place to start, but their failure rate is seldom, Id be more apt to look at the Throttle Position Sensor (TPS), and while you are at it take a look at the throttle stop and AIS motor/sensor too.

When you open and close the throttle from the throttle body is there hesitation, does it open/close all the way, etc? If you answered "yes" to any of those, look at your throttle stop and kick down (if automatic)

I'd Check the injector too while I'm at it. Does it pulse constantly? There may be a ground issue. or a problem with the ECU.

Another place to look: On the smaller engines with TBIs the male connector cable likes to rock in out of the receptacle. make sure it's tight.

Hope this helps

Posted on Apr 01, 2010

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2 Answers

1997 sl2 satun started with rough idol now won't start . cranks over and floods. has new fuel filter & air filter


Check the fuel pressure regulator. Pull the vacuum hose off it, If it smells of gas, Replace the regulator. Diaphragm broke and is flooding the engine threw that vacuum line. You'll also need to replace the spark plugs. Gas will foul them out also.

Dec 31, 2016 | Cars & Trucks

1 Answer

I have a 1997 Chevy cavalier z24 it's hard to start it and when it does start I smell raw gas I just replace spark plugs and map sensor and throttle body sensor wen put it in gear a the car die


I saw what you replaced, but, didn't see any testing? Use a gage and check proper fuel pressure. Also, see if pressure will hold for a bit, everything off. If the pressure drops like a rock, you have a fuel pressure leak. Check fuel pressure regulator vacuum line, if it has gas in it, the regulator is faulty. Could have leaking fuel injector or the fuel is leaking back through the fuel pump.
Any applicable trouble codes? To check codes yourself, at the least, you need an obd2 code reader.
Your coolant temp sensor might cause it to flood, if it is flooding? How long since a tune-up? Don't replace anything unless your testing points in that direction.
Smell of the crankcase oil dipstick, if it smells like gas, I wouldn't drive it till you fix the problem. Change oil and filter as many times as needed to get rid of the gas.

Feb 02, 2016 | Cars & Trucks

2 Answers

Injector sprays too much fuel after starting. Engine floods out


Suspect (potentially) either a stuck injector, or a failed/failing fuel pressure regulator. One sign of a failed fuel pressure regulator can be gas in the oil. (I suffered that side effect, along with bogging, and black smoke rich running, worsening as warmed up, turned out to be fuel pressure regulator). If the injector is loose in the throttle body, or has bad o-rings, can also cause some wonky behavior. Good luck.

Mar 14, 2015 | 1992 Geo Tracker

1 Answer

2003 toyota sienna wont start sometimes But does turn over. Its not getting gas. After pumping pedal its starts


its not getting gas, is that a guess? or the results of a real test.
as per FSM book.?
the only test that proves not getting gas, is all spark plugs out and all are white and dry. (NOT GETTING GAS to the combustion chambers)
i think its flooding (sparks wet)
and all cars clear floods, with wide open throttle cranking, (A feature)
this magic feature, cuts all fuel cranking, to clear said flood.
(oper, guide covers this)

if this works,
ever consider a full tuneup? this decade? with filters?
if tuned up, then scan it to see if there are DTC errors cranking?
check for spark , during failures. ?
check for flooding? spark good,!
there are many causes of flooding, (spark good, tuned up)
  • too high fuel pressure
  • injectors leaking
  • fuel regulator bad.
  • no air supply starting, bad IAC STUCK CLOSED,
Try starting with 5% throttle ,creating a good human made, IAC, (fresh air)
each line has tests we do,, if you dont have tools, all this is just
water under the bridge.

do you want guessing (unsaid)
here:
  1. never tuned up.
  2. too high fuel pressure and flooding.
  3. and many more. i just rolled dice 2 times.

Dec 26, 2014 | 2003 Toyota Sienna

2 Answers

Chevy troubleshooting


Had a s10 one time and had similar problems turned out after I got rid of it a friend figured it out it was the computer and the Catalac converter how ever you spell it hope this helps Merry Christmas

Dec 09, 2017 | 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

2 Answers

My 1988 Ford ranger 2.9fi 4x4 will start flooding while driving down the road. I can push the pedal to the floor and it will clear out and rapidly accelerate. I have new pumps and filters, oxygen sensor...




I agree with joel.Check the fuel pressure regulator attached to the fuel rail.Test it with the engine at operating temp.Let the engine idle,remove the vacuum hose from the fpr and check the hose for the presence of fuel or the odor of fuel.Make sure fuel isnt coming out of the regulator vacuum port too.If either condition is present,the regulator is bad.The condition above occurs when the fpr diaphragm is leaking.If the regulator sticks closed,it will cause flooding too.
Another possible cause is a defective fuel injector thats leaking fuel internally or stuck open.If you pull the spark plugs and one plug is black or wet,thats the cylinder with the suspect injector.When you first turn the key on,the fuel pumps prime the fuel lines and rails,but the injectors dont squirt any fuel yet.The engine will begin cranking and the injectors will begin squirting fuel after 1-2 seconds of engine rotation. Therefore, if you cycle the key on/off a few times then pull the spark plugs,any plug thats wet indicates the injector is bad at that cylinder,as long as youve got spark.
Another possible cause is the ect sensor.Its used for adjusting fuel & timing values.The colder the engine,
the richer the fuel trim is set. The ect sensor can be tested with a multimeter.Test the sensor on a cold engine then warm the engine and test it again. To test,set a multimeter to read ohms,disconnect the sensor harness and touch your meter leads to the plug on the sensor.Your results should match the ohms value for the temp listed in the chart below.
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Jan 20, 2018 | Cars & Trucks

1 Answer

I have a 1999 nissan altima and it started up and just cut off and would not start back up it's fireing the timming belt is good fuel pump is good the fuel pressure regulator is also good i'm not...


Flooded ? Have you tried holding the gas pedal to the floor ! Most vehicles have wot - wide open throttle model , cut's fuel injector's . Have you a scanner to check engine sensor data input's to the engine computer . See what the fuel trim's are , short an long term fuel trim's . Do you know what these are ? Are the O2 sensors switch normally ? Map ,or MAF sensor's data ,coolant temp sensor data . TOO MANY thing's too go wrong ! Guessing never work's .

064 Emission Tests Scan Data Pre Check

Dec 11, 2017 | 1999 Nissan Altima

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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