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Water is coming back up through the air intake on my 1993 eclipse

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Cracked cylinder head near in intake valce to a water Jacket you need a new cylinder head

Posted on Sep 25, 2008


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How can anyone replace the air intake hose if you cannot find one

Best thing to do is to look up on craigslist for someone parting out your make/model....super cheap and if that doesn't work, check out ebay.....have you checked your local junkyard?

Jun 27, 2011 | 1993 Mitsubishi Eclipse

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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:
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:
Good luck! -Ingo

Apr 17, 2011 | 2000 Mitsubishi Eclipse

1 Answer

Put in a new water pump in a 1993 Eclipse. Now it is overheatig. What to do next?

maybe thermostat?

Please see my tip at . These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.

Oct 15, 2010 | 1993 Mitsubishi Eclipse

1 Answer

03 Mitsubishi eclipse holding back power

Youre gonna love this. when you open the hood you will see the rectangular air intake right in the front middle. there is a little plastic screw the holds the plastic air intake in place. if it is missing , once you hit about 30mph the plastic air intake will lift up and hit the underside of the hood. blocking air intake will kill all power to the engine.
2 dollar fix at dealer. let me know if thats it!

Jul 24, 2010 | 2003 Mitsubishi Eclipse Coupe

1 Answer

Idles high on 1997 mitsubishi eclipse rs 5 speed

This is definitely a bad Idle Air Control motor. It is right below the throttle position sensor, and will cause the idle to run high if it sticks.

Aug 22, 2009 | 1995 Mitsubishi Eclipse

1 Answer

Eclipse has gas but wont start up

it has gas but does it have fuel pressure? try spraying a little starting fluid into the intake at the throttle valve, if it starts u have a pressure problem and a possible defective electric fuel pump.

Mar 23, 2009 | 1993 Mitsubishi Eclipse

1 Answer

1993 4g37 blowing oil back through intake. Replaced PVC. Only will crank by opening the air filter container and still lots of blow by.

this is actually very common in fact if you own an eclipse that doesnt have atleast some blowback i would be amazed unlees it causes issues with the functionality of the enigne running i would recomend just keep an eye on ur oil and dont fix it unless it is an absolute must because on these cars you can never fix just one issue and you wouldnt want to cause more problems by trying to fix one that isnt really a big deal

Mar 06, 2009 | 1993 Mitsubishi Eclipse

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2001 mitsubishi eclipse gt

If it's like mine, you should be able to find it sitting just to the left of the driver side headlight. Somewhere between the headlight and radiator. you may have to remove your factory air intake box to see it. I use a after market air intake so I can get to it with ease. Not hard to spot, should have a single wire attached to it. Hope this helps.

Dec 22, 2008 | 2001 Mitsubishi Eclipse

1 Answer

Low compression in #1and #2 cylinders 1993 eclipse gs 1.8l

burned valve is likely the culprit.... or bad rings.... hook air up to that cyclinder one at a time.... and listen where the air is escaping... be aware that the motor will rotate till the piston is at the bottom of it's rotation. if it's a burned valve you will have to remove the head and replace it but somewhat easier job then replacing the rings. darn almost forgot.... it can also be a blown head gasket.... same procedure but you might need a brush and some soap water to test for an air leak at the side of the head. when you are done spray some wd 40 on it to get the water off so the spark plugs do not arc.


Sep 26, 2008 | 1993 Mitsubishi Eclipse

3 Answers

Water everywhere

what i did was i got a 1/4" drill bit and made to holes under the carpet were the water was and have no problems with it. first pick the carpet up to see were its coming from it should be coming from the back of the gas pedal

Aug 07, 2008 | 2001 Mitsubishi Eclipse

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