Question about 2002 Suzuki GSX-R 750

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My fuel pump stays running when i just turn the switch n over floods my engine not letting the motor crank over. i took the plugs out and cranked it over to unfloode it after puting the plugs back in the bike only crank over with plug#1 n plug#2 in wen i connect 3 n 4 nothing happens?

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If the pump continues to run and floods the engine, the injector(s) are either being held open by a computer fault, or are not closing through mechanical failure in the injector(s). Unplug the electrical connection(s) on each injector, and see if the pump quits running. If it does, then there is a computer fault. If it continues to run, clean or replace the injector(s).

Posted on Sep 07, 2009

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2000 ford explorer xlt 4.0 cranks will not start took to garage changed battery cables and cleaned charging system 2 days later cranks will not start but can hear fuel pump running when I turn key the...


You should hear the fuel pump run momentarily when the key is in the Run position. Ensure the engine has a good spark by removing one of spark plug boots. Stick a phillips screwdriver in the boot, and hold the handle of the screwdriver, and allow the shaft near ground. (motor works best) Have someone crank the engine and look for a good blue spark arch from the screwdriver and engine. If your getting good spark, then check the fuel pressure on the fuel injection rail.

Nov 17, 2014 | 2000 Ford Explorer

1 Answer

1988 jeep Cherokee Laredo won't start turns over ,has spark, gets fuel


no engine size stated, (so i toss coin, 4.0L) 5miilion strong.
the 1988 is the gawd awful French RENIX fuel injection.
i owned 2 of these pigs. (sure it runs) but sux.
why?, no CEL lamps , no flash codes, no OBD1 , no OBD ! anything.
only the very old and rare factory and dealer tools can scan this pig.
lets do this better?
in vivid details.
NO start 101: (order matters too)
  1. compression at spec, on all 6 cylinders? (old engines do die)
  2. spark at all 6 spark plugs good,? not just 1.
  3. car is tuned up. spark plugs.cap rotor, wires, and filters?
  4. the ign timing light on #1 wire, shows spark landing near TDC 0 degrees or under hood stated spec. (open hood look up )
  5. i now check for flooding, is it? spark tips , TALK to me.?
  6. yes, then check fuel pressure. next.
  7. no, then are they dry, you said wet. ('gets fuel means what"?)
  8. if flooding, i unplug the fuel pump relay and start car with test fuel if it runs for 3 seconds and stops, that is a PASS condition so but if not 1, to 7 above was skipped. lets say its flooding
  9. if flooding did you try cranking per opr guide wide open throttle? this CUTS all fuel and clears all flooding on all gas engines. and for sure all EFI. gas engines.
  10. my guess is its running now. right? if here?
  11. if not, check fuel pressure per the fsm cranking, and the MAP sensor. out put voltage key on, and cranking. and post that.
  12. good luck.

get the engine to run on test fuel first. this saves big time labor
down time, and wasted parts , guessed at)

doing a real tuneup , is not ever a waste.
a tuned up engine pays back in lower gas costs. big time.
fuel is expensive.

Sep 28, 2014 | Jeep Cherokee Cars & Trucks

1 Answer

Suzuki Aerio 2004, will crank over floods out tho. Changed Plugs and Boots. New baterry too. Can smell gas @ Tail pipe. Wants to fire-but just won't catch. Where do I start looking for the answers.?


what engine? 2.3 or 2.5L?
all cylinders flooding??? spark tips on ALL dripping in gas?
check spark at all spark plugs ( ALL not just ONE)
if spark is good.
this engine is chain cam, so it makes huge noise before death.
did it?, nah
ok, so connect any $9 scan tool, and scan it. (barrow /rent.?)

you crank it for 5 seconds, not less.
and as you crank the scan tool RPM shows 250 to300 rpm and fails to start, the RPM on the tool shows you that the crank sensor is working
now release the key and do not turn off
look for DTC errors. got P0340,355? or any other DTC
that decodes to bad CMP or CKP/
yes, BINGO, the scan tool told you why spark is dead, or way off
timing,

the PCM will report Cmp or CKP errors even 1 in 6 pulses.
the PCM runs monitors against these 2 full time. and will see it fail.
and report, it, let it tell why spark is bad.
say spark is good. and still floods.
1: engine compresssion over 150psi? W.O.T?
2: flooding , i pull the fuel pump relay and crank now.
starts and runs for 3 -5 seconds, yes, that is the flood clearing
so i then try test fuel, runs perfect now (no fuel pump) ???
runs for 3 second, each test fuel usage. well good motor, good spark.
what more do you want? sure to run
so you have either insane high fuel pressure. or injectors leaking
can and does happen.
the tests are all in the FSM under injector and pump testing.
i check fuel pressure first. as its a mandatory thing.....
to factory spec. for unsaid engine.
then i do a injector leak down and balance check.
ask if you get this far.....????


Jan 24, 2014 | 2004 Suzuki Aerio

1 Answer

I have a 1992 gmc jimmy s15....it will turn over and getting fuel and getting fire but will not crank. whats the problem? I have replaced the fuel pump, fuel relay, injectors,pressure regulator, dist.cap....


did you replace spark wire 1 by one,? if not bingo, you layed them down wrong.... (did car just die, by self or after a tune up?)
4.3L V6?

please stop throwing parts, you rich>? (60k tune up excepted always)
the EFI engines will not put out fuel if spark is dead.
what does getting fuel mean?
1: injectors squirt?
2: the cracked open rail plug dribbles?
what?
3;spark plug tips wet,
4: black smoke out tail. what/?
it's a no start, cranks perfect car, you keep saying no crank.
A car that can not crank and can never be started unless push started,
with a M/T STICK gear box.
ANSWER: ?
seems to me its flooding. , no>? soaking wet spark plug tips?
when EFI , floods a car , WOT cranking clears the flood.
Wide open throttle, its in you operator guide, RTM.
so if flooding, what i do us cut power to the fuel pump
the crank it dry. (black smoke out the tail, and then sputters an runs and stalls)
then, i try only test fuel. that is right,, no fuel pump power.
and make sure my engines sounds perfect with just test fuel.
if that is all true runs on test fuel,
then the problem is FUELING ONLY>
all in the span of 10mins work.

see scotty do that here.
http://www.youtube.com/watch?v=064Ilsz8Fzg&feature=player_detailpage#t=1

this is a very old car is this a TBI car, a very old single injector
engines or MPI , multipoint injection.

read the wiki, see all those engines.
and EFI
which one do you have.

http://en.wikipedia.org/wiki/GMC_S-15
yours is LB4 or L35 engine?
APPLES and ORANGE different. ! TBI/ MPI.

Oct 08, 2013 | Cars & Trucks

1 Answer

My engine wont crank like as if the engine is flooded...how do i clean a flooded engine? it smells like gasoline on my spark plugs when i took them out...please help me...im out of ideas....ive checked...


If the engine truely is flooded, you need to let the vehical sit. The more you try to start the car, the more gas you are pumping into the engines. If you let the vehical sit, some gas will drain out. Hope this helps! Please rate 4 thumbs up!

Apr 18, 2011 | Acura Integra Cars & Trucks

7 Answers

I started the car for 15 second and then shut it off. when tried the following morning it engine would crank but would not start


if u start an rx8 without letting the engine heat up fully before switching it off then it floods the engine with fuel, a rotary engine problem, ring the dealer and they will be able to sort you out, is costly though... ALWAYS LET THE ENGINE FULLY WARM UP! before switching off!!

also rev the engine to 4000rpm and turn the key with foot still on the throttle when turning the engine off, to prevent flooding

May 02, 2010 | 2004 Mazda RX-8

1 Answer

2004 mazda wont start, blew a front tire and had to be put on rollback. Sat all nite, and now wont start. will crank and can smell fuel.


flooded engine common problem remove all plugs and fuel pump fuse. get fuel out of engine do not istall fuel pump fuse re install all plugs I suggest a good charger be used as system can kill batt very quick run to wires from fuel pump fuse into seating area start cranking the engine over wires not touching once compression sounds alright touch wires to geather (may have to repeat these deflooding wire touching procedure many times) once started do not turn off car till normal operating temp . Once hot turn car off remove wires and re install fuel pump fuse .With RX-8 u cannot just start and stop car right away as in washing car as it can produce this same condition ALWAYS let car warm up before turning off.

Oct 18, 2009 | 2004 Mazda RX-8

1 Answer

INJECTORS ARE FLOODING MOTOR AND PLUGS


Is the fuel pump relay switching off the fuel pump? When you turn the key to the on position, do you hear a click and the pump shut off? If not, the relay is bad and needs replaced. If pump keeps running it will flood engine.

Apr 20, 2009 | 1984 Cadillac DeVille

4 Answers

1985 Ford F-150 Truck (EFI) Fuel Problems


Same problem with my 85 F-150 5.0 EFI---turned out that the fuel pump relay under the hood was teriffically corroded on the inside (I opened up the relay to look inside). When I checked the voltage at the fuel pump it would show 3.5-6 volts instead of 12 volts.

I was thinking fuel blockage or perhaps failure of the in-tank pumps. Sometimes the truck would start and run, othertimes it would neither start nor run. Typically, if running it would stay running until turned off (where the relay had to break).

Changing the green fuel pump relay fixed the problem--12 volts now at the pump and no reoccurance.

Good luck--let me know if this fixed your F-150.

riippa@aol.com

Feb 14, 2009 | Ford F-150 Cars & Trucks

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