Question about Chevrolet 1500

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Ihave a 1993 chevy 1500 350that wants to flood out.you have to hold accelerator to floor to start.it only does it part timeruns great other times

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Sounds like a faulty choke

Posted on Nov 21, 2014

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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

Chevy s-10 4cyl starts only with pedal only to floor but sputters bad and wont accelerate.


On Chevrolet fuel injected vehicles holding the accelerator on the floor during cranking activates "clear flood mode " that turns the fuel injectors off the fact that it then starts tell me that the engine is flooded or the ECT (engine coolant temperature) sensor or circuit is telling the ecm the wrong temp several other causes are blown fuel pressure regulator, low fuel pump pressure, low compression or faulty coil pack

Dec 10, 2012 | 2001 Chevrolet S-10

3 Answers

Reset check engine light after oil change


Turn the key to the on position. Not the start. And press the gas pedal all the way to the floor 3 times.

Feb 15, 2011 | Chevrolet Avalanche Cars & Trucks

1 Answer

Yesterday my 1993 chevy s-10 blazer was driving fine but when i cut it off and went in the house for a second and went to crank it back up it wouldn't start it turnsover when i turn the key and its getting...


If you are sure you have a spark to at least half of the plugs, and there is no reason to suspect that the engine was being used abnormally just before it was shut down then it is most likely flooded or you ran out of gas.
Black smoke from the tailpipe indicates that the engine is getting a fuel mixture abnormally high in fuel (flooding). White smoke generally indicates not enough fuel.
Unless your engine is damaged or the timing changed, your engine will run if it has the following: proper fuel mixture, air, a spark to at least half of the spark plugs, and compression.
For a "flooded" engine there are two routes. Wait until the excess fuel has had time to dissipate or hold the accelerator to the floor while attempting to start. Be prepared to let off the accelerator about halfway as soon as it starts. And then down to about 1500 rpm. You do not want to over rev the engine. But holding it at about 1500 rpms for about 3-5 seconds will help flush out any excess fuel. You can then slowly return it to idle speed.

Dec 24, 2010 | 1993 Chevrolet S-10 Blazer

1 Answer

Doesn,t want to start without holding the


poss injector dribble, leaking injectors fill pots over night does the engine spin over fast first try in the morning depressing the gas pedal to the floor make a NO FLOOD condition in the vehicle so it will not deliver any more fuel what do you think, possible?

May 15, 2010 | 1993 Mazda MX-6

1 Answer

I have a 1990 chevy lumina runs great until you turn it off and restart it acts like its not getting gas


Hard starting? Try holding accelerator to floor until it catches then let off immediately, so as not to over-rev engine. (As it was done for a flooded situation with carburetor.) You may be getting leak-by on one or more injectors, causing it to act like a flooded situation.

Feb 24, 2010 | 1990 Chevrolet Lumina

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

2 Answers

1987 chevy s-10 2.8 motor. Wont start and gas present on plugs. Getting fire and fuel. TBI injection. New plugs wires cap and rotor. Checked TDC and checked firing order.


Is it flooded? Have you tried holding the accelerator to the floor? You have gas spraying out of the injectors when cranking? Does it even try?

Mar 27, 2009 | 1986 Chevrolet Camaro

1 Answer

95 Bonneville won't start when hot


Yes I know, but If you hold the accelerator pedal to the floor on a fuel injected car, the Throttle position sensor will tell the computer to enter clear flood mode. Then the computer will shut off the fuel injectors while you have the pedal to the floor. If it is flooded, you should be able to get it started in clear flood.

Mar 09, 2009 | 1995 Pontiac Bonneville

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