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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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  • Cars & Trucks Master
  • 75,797 Answers

What year?

Posted on Jul 13, 2013

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 48 Answers

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

  • 543 Answers

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

1 Answer

Hard to start, need to press gas pedal to start


try cleaning the throttle body out first...check engine light on?..possible coolant temp sensor...some problems have multiple causes and are hard to diagnose without actually seeing the vehicle...if you have to hold gas peddle to floor it usually means car is flooded (too much fuel) ...check fuel pressure to see if it bleeds off when not running...could be an indication of leaky injectors or fuel pressure regulator

Apr 01, 2014 | 2004 Chevrolet Impala

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

1997 blazer has spark, new cam sensor, fuel filter..will crack over, but will not start. I tried starter fluid in the intake, and still does not start. any ideas?


Fuel pressure regulator probabaly flooding it when you turn the key forward it primes but the regulator just dumps to much fuel into the cylinders flooding the plugs pull a plug out after you try starting it if it dont start and see if there full of gas

Feb 25, 2013 | 1997 Chevrolet Blazer

1 Answer

Car floods and starts hard when first started


ENGINE FLOODING COULD BE CAUSED BY FAULTY FUEL PRESSURE REGULATOR.FAULTY MAP SENSOR, WEAK IGNITION SPARK.DIRTY FUEL INJECTORS LEAKINGSTICKING OPEN. FLOODING OUT ENGINE.CLEAN THE FUEL INJECTORS AND CHANGE AIR FILTER.

May 24, 2011 | 1990 Buick Century

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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