Question about 2005 Chevrolet Impala

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I have a 05 chevy impala that was in a crash after been fix car idles as if someone has foot on gas

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  • kube212 Mar 10, 2009

    I belive i've found the problem, I found a masses air leak between the upper & lower intake manifold. So i need a new plenum gasket

    thanks for the help anyway

  • Tari Herbert
    Tari Herbert Apr 23, 2009

    2005 Impala when you start the car it idles high like someone is giving it gas. I have tryed to tap the gas peddle but that dont work. when you take off from dead stop it will go 20mph without you giving it gas.. Now I have truned the car off and re-started it and its fine.

  • Thomas Kessenich
    Thomas Kessenich May 11, 2010

    Take the throttle cable or linkage off and see what it does. If it returns to normal there is a bent bracket some where.

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  • 33 Answers

May need computer reset

Posted on Mar 18, 2009

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IDLING PROBLEMS ON A 2006 CHEVY IMPALA


I had a similar problem and it was a dirty egr exhaust gas recirculation valve. Could also be a idle control valve that is weak and not setting a code.

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I have a 2006 Impala the engine is surging at idle and when I driving


Check the vacuum hoses for a leak.

2006 Chevy Impala LS 3.5L Surge Under Load - YouTube

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Surge while driving. ... 2006 Chevy Impala LS 3.5L Surge Under Load ... How To Fix Or Prevent Stalling, Surging Or Rough Idle, Cleaning ...

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1 Answer

05 Chevy Impala - there is a gas smell after an oil change even after allowing the car to sit overnight.


look under hood , under car for wet spot , could be injector leak
make a good check all of this
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Oct 10, 2013 | 2005 Chevrolet Impala LS

1 Answer

****** jerks at take off 05 impala


HAVE SOMEONE WITH A FLASH LIGHT LOOK UNDER THE HOOD WHILE SOMEONE ELSE INSIDE THE CAR HAS 1 FOOT ON BRAKE AND 1 FOOT ON GAS KEEP GOOSING THE GAS WHILE IN DRIVE THEN SWTCH TO REVERSE GEAR AND SEE IF MOTOR MOVRES ALOT IF SO BAD MOTOR MOUNTS

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1 Answer

I have a 2000 Chevy Impala and my car only stay crank if my foot is on the gas, when I release , it shuts off. It's not the mass air flow sensor or fuel pump what can it be??


Inspect, clean or replace the Idle Air control valve...about $35 for the part...also how is the air filter? A clogged catalytic converter can cause this too? ( A free check at quality muffler shops. Hope this helps.

Mar 16, 2012 | 2000 Chevrolet Impala

1 Answer

My 2005 Chevy Impala smells gasy when ever started and sometimes after idling for awhile.


SMELL GAS YOU NEED CHECK ALL FUEL LINES UNDER THE HOOD IN THE ENGINE COMPARTMENT.IF GAS IS STRONG UNDER HOOD YOU DONT SEE LEAKING FUEL LINES.YOUR FUEL RAIL FUEL INJECTORS LEAKING OR FUEL PRESSURE REGULATOR O - RING OR DIAPHRAM LEAKING GAS.IF FIND NO LEAKS UNDER THE HOOD CHECK FUEL LINES UNDER CAR FROM ENGINE TO FUEL TANK FOR LEAKS.IF ALL IS GOOD YOUR EVAPORATIVE CANISTER SOAKED WITH GAS OR YOUR EMISSION EVAPORATIVE SYSTEM NOT WORKING. DEALERSHIP HAS TO CHECK AND FIX.

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2 Answers

2000 Impala: Idles extremly high


First thing to do is check under hood for any "hissing" noises, and check all vacuum hoses are connected properly, and not leaking.

Feb 13, 2009 | 2000 Chevrolet Impala

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