Question about 2001 Mitsubishi Eclipse

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I have a Mitsubishi Eclipse 3.0L V6, with a K&N cold -intake, What happen if I replace or upgrade my throttle body? Can this damage or cause extra stress on my car or transmission?

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  • bradley10
    bradley10 Aug 25, 2010

    So are you saying after I add parts, then get a computer upgrade to get maximum benefits?

  • bradley10
    bradley10 Aug 26, 2010

    Thank you

  • bradley10
    bradley10 Sep 09, 2010

    How does one decide what the best throttle body to buy. I have an automatic transmission. Will buying or upgrading my throttle body cause the engine light to come on?

  • bradley10
    bradley10 Sep 17, 2010

    Thanks!!!!

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Yes and yes however, its benefits will be minimum without computer upgrades for fuel and spark control

therefore... the little changes you see from the upgrades will not cause great stress to engine and trans other than the extra stress you apply by trying to go faster

Posted on Aug 25, 2010

  • Sean Reisdorf
    Sean Reisdorf Aug 25, 2010

    yes.... the ability to **** more air will not help alone unless you get the computer upgraded to add more fuel

    your computer measures the flow of air coming in based on the "assumptions" that the air coming in is from the "stock" air filter, snorkel and throttle body

    bigger air filter, snorkel and throttle body = more air
    additionally, you should also look at an upgraded intake and exhaust PLUS the computer upgrades

  • bradley10
    bradley10 Sep 17, 2010

    Thank you very much

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Hi! There's no problem with that. Actually it will give the car less stress and perform much better. Hope this helps and thank you for using FixYa!

Posted on Aug 25, 2010

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Posted on Jan 02, 2017

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1 Answer

Diagnostic codes for a mitsubishi eclipse 2001 v6 p00100. mean


It is a MAS Airflow Sensor code. The sensor is either disconnected, damaged or the wiring to it is damaged. If you have installed custom/performance intake then that would be your issue, if not then you need to check the MAS Airflow sensor and wiring.

Jun 09, 2015 | 2001 Mitsubishi Eclipse

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Misubushi triton 1990 v6 starts but wont idle


try cleaning the throttle body this usually works you can onlt use throttle body cleaner use the entire can then re attach intake also the mass air flow sensor on intake also has the specific cleaner.

Aug 17, 2013 | Mitsubishi Pickup Cars & Trucks

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Car will not stay idling when it's warmed up. What would be the cause of this?


Does the engine immediately stall and shut off right after you start it? Can you keep the engine running by holding down the accelerator pedal a bit? This happened to my Eclipse (MY2000, 2.4L I4), and let me tell you it was an interesting experience trying to keep the engine running at a stop light (by pressing both the brake and the accelerator at the same time). The problem turned out to be the Idle Air Control Valve. The valve had failed in my car, so when the car started the IAC valve failed to keep the air intake valve open, so the engine was starved of air and would stall.
The part itself is easily replaceable, it took me about 10-15 minutes after I had located where it was on the engine. The IAC valve sits directly under the throttle body air intake. You'll have to remove the accordion-like air intake hose from the throttle body and it will be right under that opening. Here's a picture I googled up:
http://memimage.cardomain.com/member_images/8/web/2624000-2624999/2624765_9_full.jpg
In the image you can see the accordion-like air intake, however this person has a third-party air filter installed. In the image near the top you can see a red cap, right in front of that is where the air intake connects to the throttle body, and right below that connection is where the IAC is. Take the air intake hose off, unbolt the IAC, replace it, then put the air intake hose back on. I also disconnected my battery to clear the ECU so that the car computer could relearn how to idle with the replacement part (in case it became an issue).
Here's the part on Amazon: http://www.amazon.com/Mitsubishi-Control-MD628318-Outlander-Eclipse/dp/B003QWJMVM
Good luck! -Ingo

Apr 17, 2011 | 2000 Mitsubishi Eclipse

1 Answer

My car does not idle and has a miss at reves how do i find where the problem is ?


You don't mention the model or year, which make a BIG difference.

Possible causes of poor idle:

Vacuum hose leak or intake air intake path leak.

Dirty or loose throttle body.

Throttle body IAC motor is jammed, see above. Fix is to remove the throttle body and clean it.

Dirty air cleaner.

Miss at revs...

Old plug wires or plugs.

Bad distributor coil, will also cause hard start when cold.

Timing could off setting.

Jan 03, 2011 | Mitsubishi Galant Cars & Trucks

1 Answer

I replaced the timing belt now the car has a very high idlewhy


Its most likely a vacuum leak or the throttle needs to be adjusted. Check that there is a small amount of play in the throttle cable between the bracket on the back of the intake manifold and throttle body. If there isn't, the throttle body may not be closing all the way.

Other possible causes:

The coolant temp. sensor is giving an incorrect reading. When the sensor reads a low coolant temp., like when you first start the car and the engine is cold, your idle will be high. As the engine warms up to operating temp (about 200 F) the idle speed will decrease. Idle speed should be around 750 rpm when the car is fully warmed (800-850rpms fully warmed with a/c on).

The idle air control motor may be stuck open.

Sep 30, 2010 | 1999 Mitsubishi Eclipse

1 Answer

2000 Mitsubishi sedan with 6G74 V6 engine. Vacuum


I could tell you, but 1st you would need to sign up for my premium assistance plan.
The cynic in me was confirmed by your reply.
thanks anyhow

Feb 05, 2010 | 2001 Mitsubishi Diamante

1 Answer

My 2001 mitsubishi eclipse gt stalls when i come to a stop. Runs great and does not stall when cold. will cleaning the throttle body fix this issue?


Air & Fuel Filter check, Check the gap on your spark plugs. Heat makes metal contract and the cold makes it expand

Jan 29, 2010 | 2001 Mitsubishi Eclipse

1 Answer

Self reving


Clean your IAC, throttle body, MAF sensor, intake and manifold. Check throttle cables, loosen or tighten as needed. Check for vacuum leaks, they will cause a rev sometimes.

Jul 08, 2009 | 1995 Mitsubishi Eclipse

2 Answers

2000 Mitsubishi Eclipse will not idle, all else OK, just repl bat


You possibly accidentally broke, or loosened a vacuum hose that is connected to your intake system. Intake vacuum leak is 95% of the time why a vehicle won't idle. Even sometimes the boot , if your engine has one, that slips over the throttle body and goes to your air cleaner element is not tightened down will cause an intake leak and no idle condition. Easy way to check if you have an intake leak would be to start the engine and while it is running spray some carburetor cleaner around the intake manifold area or where you suspect a leak and if the rpm's increase , that's it.Use the carb spray sparingly and don't go overkill, if you know what I mean. Good luck

Apr 07, 2009 | 2000 Mitsubishi Eclipse

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