New member to the Eclipse world,,,and needing help - Mitsubishi-Forums.com
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post #1 of 24 (permalink) Old 04-17-2017, 03:02 PM Thread Starter
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New member to the Eclipse world,,,and needing help

Howdy,,,I just received a 2003 Eclipse cause the PO just got tired of throwing money at it,,according to her. LOL,,,, It seems the car runs ok down the road but in the last 4-6 months, the car has developed an issue with it running very rough and dying when at a stop sign. You have to quickly put in neutral and step on gas at every stop sign,,or it will stop. Then you have to wait a few minutes and it will start right up and run good on the highway,,,??
They had the injectors changed out about 3 months ago but no help. Has new battery, new Fuel pump, throttle plate cleaned,,,and even spit on the car a few times,,,,(that didn't help either,,LOL)
I was going to remove and clean the throttle body (not sure of correct wording) as a HHR I had, had the exact same issue,,,??
Anybody got any kind words,,or maybe a good suggestion for a fix,,,?? Thanks for your time and any help.
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post #2 of 24 (permalink) Old 04-18-2017, 12:31 AM
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I would get the OBD II codes.

Besides that - cleaning never hurts.
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post #3 of 24 (permalink) Old 04-18-2017, 03:15 PM Thread Starter
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Hey xrxaa01,,,many thanks for the reply....here is what I've done in trying to locate problem.
1. removed air intake hose from air filter box to throttle body. found good bit of oil on air filter and in housing. oil throughout the hose to throttle body intake.
2. checked PCV valve and it is free,,,NO oil here.
3. re-installed air intake hose and started engine and had some smoke coming from air filter housing area.
4. waiting on neighbor to return my pressure cleaner to clean oil from transmission area.
BIG question here,,,,How in the heck is oil getting into air intake system,,,???
Second part,,,which kind of antifreeze does this engine require,,,???
Again,,many thanks for your time,,,
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post #4 of 24 (permalink) Old 04-18-2017, 03:17 PM Thread Starter
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Ooopps

Say,,I made a mistake,,the car is a 2008 Eclipse instead of an 2003,,,sorry
The car is NOT showing any codes,,,???
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post #5 of 24 (permalink) Old 04-18-2017, 04:33 PM
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How oil gets into the intake system:

Your valve cover has an exit vent that directly goes into you intake system. The idea being that excess oil and excess oil vapours trapped in your valve cover will go into your intake system. This can create a real mess and why some people go with oil catch cans to reduce the amount of physical oil transferred back into the intake system, and unless something is seriously wrong thats really the only path it has to get there.


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Last edited by izerous; 04-18-2017 at 04:38 PM.
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post #6 of 24 (permalink) Old 04-18-2017, 10:04 PM Thread Starter
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Hey izerous,,thanks for the quick response,,,I saw the small fitting on the end of valve cover. It has about a 1/4" hose going to the main air intake hose,,,but again,,there is no oil there either,,,!!!
The air filter itself was saturated at the end facing the intake hose and oil laying in the air filter housing,,,!! the "box" that is under the air filter housing was saturated as well,,,,WTH,,???
Yet,,the owner tells me the car does not use oil between oil changes. Is there a way some transmission oil could be getting in there? I will check the fluid level in trans tomorrow, as the radiator is very low and I have no clue which antifreeze tto use,,???
Does this car use the green or the red antifreeze???
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post #7 of 24 (permalink) Old 04-19-2017, 12:29 AM
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Antifreeze is antifreeze ... doesn´t matter which colour.

Oil in air intake - like izerous said.

Maybe previous owner filled too much oil in - crank makes oil foam.
Pressure moves oil foam into air filter.
If you have a lot of miles - maybe piston rings not so good anymore.
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post #8 of 24 (permalink) Old 04-19-2017, 07:16 AM Thread Starter
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OK,,I was askin bout the antifreeze as I was told at a GM Service Dept,,that you CANNOT mix the red with the green antifreeze as you will get a serious "clabbering" issue,,,and it will all have to be dumped, flushed out and new stuff put in,,,????
I'm just askin as the level in the radiator is low enough,,I cannot see if red or green,,,?? Just trying to prevent a mess,,,,,
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post #9 of 24 (permalink) Old 04-19-2017, 07:37 AM Thread Starter
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Hoping to clear up antifreeze question, but back to serious issue,,it's very possible that oil level was TOO high, causing foaming and being carried into intake air system,,,,,HMmmm???
Shouldn't the PCV valve have pulled the excess crankcase pressure into manifold plenum to avoid dumping oil into air intake and causing grief with the throttle valve,,?? I should check and make sure the line into plenum IS OPEN,,huh?
The 08 Eclipse has 102,356 miles and very clean as if PO took good care of it. Thinking I should pull plugs and check compression to get a better idea of engine condition.
I asked PO about "check engine soon" light and she tells me no CES light ,,,?? I don't have an OBD reader but was going to go to O'Reilly's and use their's but with no CES light on dash,,,not much reason to. The CES light does come on when key is put in, but goes off when engine starts, so bulb is not burned up.
Sheesh,,I need a magic wand,,,,
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post #10 of 24 (permalink) Old 04-19-2017, 12:06 PM
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There are some differences between coolants but the coloring is just a dye, nothing stopping a company from making a purple coolant if there isn't already one. Pretty much as long as it says Mitsubishi safe or what not on the bottle you should be good, at least that was my understanding.

Now if I understood your one post the air intake filter is also covered in oil? I just thought of another way for oil to get into the intake as there are ~3 types of air filters on the market that come to mind anymore...
1. One shot filters: pretty much everyone on the shelf in walmart, canadian tire etc
2. Washable Oil Free: AEM Dry flow, can wash it and doesn't require oiling afterwards.
3. Washable Oiled: After washing you need to coat it with oil.

I bought the outlander with type 1 (factory) and replace the whole intake with a WeaponR Secret Weapon intake and the filter was a washable but oiled filter. It was a PITA to wash it and oil it all the time so I replaced it with an AEM Dry Flow now it's wash and dry and re-install. Maybe she installed an oiled filtered and got WAY to liberal with the oil. Is the oil dark like like it has been through the engine or pretty clean?


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post #11 of 24 (permalink) Old 04-19-2017, 12:59 PM Thread Starter
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The oil on the filter is dark almost like old used oil,,and is a fram so whoever she used to service the car is what they used. I'm familiar with the K&N style washable filters but this is not one of those.
I'm going to run compression check on engine today and replace the PCV valve after verifying the port into the plenum is OPEN.
I should of taken a pic of the oil laying in the inlet of throttle body,,,never seen that one before,,,,!!!
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post #12 of 24 (permalink) Old 04-19-2017, 04:32 PM Thread Starter
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OK,,got an update but no good news. Compression readings are
#1 cyl = 110
#2 cyl = 60
#3 cyl = 20
#4 cyl = 0
Holy chit,,,!!!!! what could of happened????
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post #13 of 24 (permalink) Old 04-19-2017, 08:10 PM Thread Starter
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Well,,,the plot gets thicker,,,,,Pulled the valve cover and sure enough,,,there is water in the oil,,,,all clabbered up on underside of valve cover OH NO!!!!!
I've looked in Ebay, Amazon and auto parts stores and cannot find a repair manual for the 08, I find the one up to the 2005 but no farther,,,,,
Anybody here got a link where I can get one for an 08,,???
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post #14 of 24 (permalink) Old 04-20-2017, 12:23 AM
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http://mmc-manuals.ru/Main_Page

Your car not there ... but search for one with same engine.

I think you are looking for replacement engine ....
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post #15 of 24 (permalink) Old 04-20-2017, 09:54 AM Thread Starter
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AW Jeeeze,,,XRXAAO1,,,,I am hoping for a blown head gasket,,,??
Where or how do I find which engine is in the car??
Thanks for your help, I appreciate you.
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post #16 of 24 (permalink) Old 04-20-2017, 11:14 AM
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A 2003 I4 means it should be 4G64...

https://en.wikipedia.org/wiki/Mitsub...us_engine#4G64

Depending on where you live the most likely ones to find might be the...

2000-2005 Mitsubishi Eclipse
1994–2003 Mitsubishi Galant (i'd aim for 2000-2003)
2003 Mitsubishi Outlander (if in North America might not be able to find this)

It was killed off in favour for the 4G69 in 2004.


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post #17 of 24 (permalink) Old 04-20-2017, 11:54 AM Thread Starter
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Hey IZEROUS,,,,gosh,,you and xrxaa01 please don't give up on me yet,,,,,
As i said the plot keeps getting thicker,,,,I looked online and find a Mitsubishicars.com site that decodes the VIN and the 8th digit being the engine ,,SO,,,my 8th digit is a "F" which according to the decoder is a 2.4L SOHC (4G69),,,,BUT,,,according to the same decoder the letter "W" designates the engine should be a 2.4L DOHC MIVEC (4B12),,,,which according to the valve cover I just took off is stamped MIVEC ,,,,AND engine does have Dual overhead cams??? WTH,,???
My head is spinning,,,,
I followed the link that xrxaa01 gave me and after lookin at several different car models haven't found this engine yet, course I can't read japanese too good either,,,,LOL
What now??
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post #18 of 24 (permalink) Old 04-20-2017, 12:31 PM
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Sorry forgot about the correction you made earlier about it being a 2008 not a 2003 so a 4G64 would be wrong.

A 4G69 would be expected in a 2008 and is a MIVEC engine, but pretty sure there isn't a DOHC variation, and I don't think they ever put the 4B series into the Eclipse.

4G69: Please note the intake resonator (giant plastic cover) is only behind the valve cover near the firewall
https://en.wikipedia.org/wiki/Mitsub.../File:4G69.jpg
https://en.wikipedia.org/wiki/Mitsub...us_engine#4G69
Most common would be the...
2004–2006 Mitsubishi Lancer
2004–2006 Mitsubishi Outlander
2004–2012 Mitsubishi Galant
2006–2012 Mitsubishi Eclipse
Please note with the Lancer it would specifically be the RalliArt trim only with the 2.4L or the boxy sportback. The Ralliarts are easy to ID visually without opening the hood since they have 5 bolt wheels instead of just 4 like every other lancer from that generation. At least as far as North America is concerned that is true. Engine options get a bit more complicated elsewhere in the world.

4B11: For comparison you cannot see anything but plastic.
https://en.wikipedia.org/wiki/Mitsub...B11_engine.jpg


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Other: RA Mudflaps

Last edited by izerous; 04-20-2017 at 12:37 PM.
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post #19 of 24 (permalink) Old 04-20-2017, 02:17 PM Thread Starter
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OK,,I'm gonna try to post a pic of engine in car,,,The PO bought this car new,,so engine is what came in the car from factory.
What you think,,,??
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post #20 of 24 (permalink) Old 04-20-2017, 06:53 PM
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Says to me upsides down 4G69 when I get home I'll pop the hood to confirm my suspicions but also looks like SOHC to me at a glance.


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Engine: WR-SRI / RRM 25% UDP / 6G75 TB
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