2005 lesabre flooding out

Asked by Scott Nov 16, 2019 at 03:12 AM about the 2005 Buick LeSabre Custom Sedan FWD

Question type: Maintenance & Repair

my 2005 buick lesaber seems like it wants to flood out on my and the warmer it
gets from driving the worse it runs.. i need to drive with one foot on gas and the
other on the brake to keep it running. i changed the spark plugs and plug wires
and still doing the same thing.

1 Answer
103,215

KenF answered 5 years ago

If it dies when you let off the gas, that can be due to a bad intake air control valve/circuit (IAC). Try cleaning that or replacing it. This would not be considered "flooding", which is not a real issue in modern cars. If, however, you feel the injectors need to be cleared of fuel, you can hold the gas pedal all the way to the floor during start (no need to pump it), this is called "wide open throttle" (WOT) and will tell the computer to not send fuel to injectors while engine is cranking. Your problem however really sounds more like the IAC than anything else.

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