Question about 2003 Mitsubishi Eclipse - GS, 2.4L 4-cyl. engine - Headers

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What can go wrong when changing the headers?

I changed the headers in my 2.4L gs coupe eclipse. the engine light came on problem might be the o2 sensor how can i know what the problem really is?

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Some codes are hard to kill even after their cause is fixed.
Erase the codes with ignition on and the engine off. May not solve your problem but it's worth a try. Next Scan for codes. If you don't have a scanner most auto parts stores will do a free scan (Auto Zone ,Advance auto parts and others)

Posted on Nov 25, 2013


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1 Answer

Will a 01 eclipse wire harness work for a 03

Possibly, it all depends on the ECU and engine sensors. The only way is to get a workshop manual and check all the connections. Mitsu often change sensors and connectors between years.

Oct 06, 2014 | 2003 Mitsubishi Eclipse

1 Answer

Too much vibration on startup

No harm will come from slightly overfilling the engine with oil. It doesn't cause leaks as most people THINK. The engine does not build up pressure inside because of the PCV system that draws crankcase vapors into the intake to be burned. You have another problem keeping your car from cranking. Possibly a bad starter, solenoid switch or even bad wiring.

Nov 24, 2012 | 2003 Mitsubishi Eclipse Coupe

1 Answer

Where is the knock sensor located on a 2003 mitsubitshi eclipse gs 2.4 cylinder engine .. decribe in great detail.

it should be on the drivers side underneath the intake plenum just feel for it under there if i remember right its a 7/8" wrench or socket

May 05, 2010 | 2003 Mitsubishi Eclipse Coupe

1 Answer

1995 eclipse engine light

Go to your local auto parts superstore and ask them to hook up the OBD scanner to read the fault codes. Or your mechanic. Hope this helps.

Apr 03, 2010 | 1995 Mitsubishi Eclipse

1 Answer

How much oil to put in a 2007 eclipse gs coupe 4 cylinder

You didn't say turbo or not but put in four and check it with the stick. You did'nt say if your changing the filter. you didn't say if this is a freash build ture empty or just coming in for regular service? Oil and filter 4 1/2 no filter and not ( dumped ) 4 but put in 4 and chack it and follow the stick. the turbo can take 5 and the startup procedure is different. Di ale the spark or fuel system and cranks the motor till the oil light goes out. You spin that turbo dry it'll blow and here we go $1000. It'll do it once if you change the oil with the car hot and get it all done in a few minutes and start it right away. Don't wait, not on a turbo. the other engines are more likly tosurvive but the longer any engine runs pumping air instead of oil is'nt good. Change it quick with it ha\ot and start it back and check for leaks than check level with the stick and add till it shows full .. Never changed your own oil? Get a friend that has to be there with you mistakes can be very expensive. That car $4000. Sure change your own oil and take it to the recycleing center, and know that you did it right. The best oil cost the most and the most expensive ones from all makers are very good and maybe better than you need

Aug 19, 2009 | 2007 Mitsubishi Eclipse

1 Answer

Where are the spark plugs located on a 2003 Mits. eclipse 4cyl gs

the spark plugs are in the top of the engine going thru the valve cover into the cylinder head. you might have a plastic cover that is over top of the valve cover which is covering up the spark plugs. they are very easy to change out.

Aug 10, 2009 | 2003 Mitsubishi Eclipse Coupe

1 Answer

Changed o2 sensor engine light went off now it stalls at a stop

make sure there is enough anti-freeze in the radiator. Also another reason it could be heating up is if the fans aren't kicking on

Mar 14, 2009 | 2001 Mitsubishi Eclipse

4 Answers

2002 mitsubishi service engine soon light without any problems

If you take your vehicle to a local autozone or advanced auto parts they are able to read the code for free and tell you in rough estimation what may be wrong, base your desicion on what they have to say

Nov 27, 2008 | 2002 Mitsubishi Eclipse

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