Question about 2005 Mitsubishi Galant

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2005 Galant start the car and runs rough on idle and when I press on gas bogs down real bad. last time it was in shop the replaced a cat said it was clogged you think it could still be a cat problem?

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Posted on Jan 02, 2017

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SOURCE: 2000 mistubishi galant es idling rough seriously

Idling problems may be cause buy a number of issues.  You may check out the fast idle control valve and PCV if they would need cleaning.  You can check out the timing it may be advanced, that is why you feel that the car runs hard.

Posted on Jun 13, 2009

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SOURCE: 1996 Galant runs rough until gas pedal pressed

You should have your TPS and EGR looked at as those cause rough idles...Other causes are bad idle air control valve, bad plugs, bad distributor cap & rotor, a bad wire, bad O2 sensor, etc...

Posted on Aug 25, 2009

Testimonial: "Thank you for your time. We have replaced the plugs,wires,rotor,cap and distributor.If TPS,EGR,o2 bad,wouldnt engine light come on?"

  • 4 Answers

SOURCE: 2001 Galant service engine light on & won't stay running/ runs rough

Try this: Disconnect the ecm control (where the air filter is housed)
Let me know if that worked.

Posted on Oct 30, 2009

  • 1 Answer

SOURCE: I have a 1997 Mitsubishi Galant with rough idle

I am having the same issue on Mitsubishi Galant 02. Clattering on acceleration, herky jerky idle. Pulled a code multiple cylinder misfire. My mechanic's diagnosis is bad valve cover gasket causing oil to seap into the spark plugs and bad timing belt, which I have not replaced at 150k miles. I do however know my fuel injectors do need cleaning, he hasn't ruled that out either. Have you pulled any code on it? I have read on engine knock sensor going out on some of these also. Hope this helps some.

Posted on Oct 22, 2010

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3 Answers

Car idles fine, but sputters, bogs and dies if gas pedal is pressed.


new spark plugs this decade. (a tune up?0
the filter is part of all 60k tuneups. letting it clog wrecks good pumps.
my wild guess, its lack of fuel flow, do to old filter.
or low fuel pressure.
car is identical to a Corolla. so is not unique or rare as some Geo cars are.
the cam belt not changes, invites valve kissing piston tops. BOOM
end of engine. (costs more to fix then worth of car)
the word is bogging, my engine bogs
if if bogs WOT (wide open throttle) and dont catch up < ITS NOT THE TPS. ever.
tps bad causes short bogs, called hesitations.
The map sensor , is what measure air flow and the ECU matches fuel to this air flow.
my guess, is it does that, but fuel pressure is like 15PSI, bad.

Apr 14, 2015 | 1995 Geo Prizm

1 Answer

I have a Kia Rio 2005 Cinco( 5 door) Running really rough until I push down gas pedal,,, Then it seems lOk still a little r bogged down', It doesn't stall just runs rough without accelerration? Oxyg


To begin with, is your "check engine (CE)" light on? If it was on and now its not, you need to replace the bulb. If CE lights is on, find out the codes before doing anything. If bulb is good and "CE" does not come on, begin with: (1) gapping spark plugs, (2) replace spark plug wires (if haven't changed them within the last 2), then the coil. If your Cinco is still idles rough, adjust gas pedal until idling smoothly. If this still doesn't help, replace your two oxygen sensors. If still running rough, the converter. After doing all this and problem is still present, take it to a mechanic you trust.

Aug 07, 2014 | 2005 Kia Rio Cinco

1 Answer

1993 dodge dakota v8 4x4 runs bad when engine get up to opperating temp.. the truck runs great for about two miles then starts to miss and has nopower. fuel pump went bad I replaced it. the crank sensor...


Sounds very much like catalytic is fouled, blocked.. Works fine when cold, then bogs down and even stalls when heats up. May start and idle but wont go when you press gas.
Did this come on worse over a couple three days? I would get the cat checked for flow.

Jul 19, 2011 | 1993 Dodge Dakota

2 Answers

What's the sign of a bad cat converter on a 1999


If the cat is clogged, blocking exhaust flow, the car may start normally, and may run fine while the engine is cold. Within a few mins as engine warms it will start to bog down and die when you try to acellerate, even a little. May even die out if you give it gas, while it may idle just fine.
This has been my experice in 2 different cars of different types over the years.

Jul 11, 2011 | 1999 Chevrolet Malibu

1 Answer

1996 Galant runs rough until gas pedal pressed about quarter way down,then runs fine.Car is running lean.Not sure how to check if fuel pump is working correct,or maybe MAS?


You should have your TPS and EGR looked at as those cause rough idles...Other causes are bad idle air control valve, bad plugs, bad distributor cap & rotor, a bad wire, bad O2 sensor, etc...

Aug 25, 2009 | 1996 Mitsubishi Galant

3 Answers

Buick Century 97 runs rough and stutters when cold and gas applie


Your cat should last quite a while now it is replaced. I recommend testing coil packs and module. Change plugs and wires and double check your vacuum hoses.

Aug 14, 2009 | 1997 Buick Century

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