Hi im new to the forums :00000732: but i have a 1990 late model eclipse with the 1.8l, 112,000 miles on it. My car was having problems starting in the mornings when it was cold. it would take me a while to get it going but after that it would run without a problem but one night i had been driving it around and parked it. i came back out to drive it bout an hour later and it went to start up, fired over once and then died. wouldnt start at all. i took it to the shop and he told me that i needed a tune up badly and changed the plugs, cap and rotor. still wouldnt start. changed the fuel pump and still wouldnt start up. he sprayed some starting fluid in and it will run off of the fluid then die after its used it all up. he was thinking that it was the fuel pump relay but i was thinking otherwise....i called mitsubishi and i didnt even get a chance to explain what all it was doing and the guy told me to change the ecu and that would prolly take care of it. i went and pulled an ecu today from a car in the junkyard to see if that will do it but im not going to be able to put it in till tomorrow. i also pulled what i think is the fuel pump relay but i cant find the part number anywhere on the internet. the number that is listed on the part is E8T069751412.
If anyone would be able to tell me if this is it or not it will be appreciated and also if anyone else has had this problem(which i hear it happens a lot with the 1g) and if a new ecu fixed it

hi welcome newb, I'm a newb too. Well about your problem, first off go to the back at the fuel tank. Have some one turn the key to acc then try to hear the pump turn on if it turns on your relay is good. For the reason you already changed the pump. Now if it turns on then try to take off the line to the fuel filter to see if your getting enough fuel out, if so you to see if the injectors are cloded or leaking. Next see if your timing is on right, if so check your compersion in your cyl. you might of droped your valves. IF everything is good then it's your ECU. Or just do it the easy way and have a diagnostic check done. That will tell you if your ECU is reading good or bad. Good Luck

This is an update.

I put in the new(used) ecu and the car still wouldnt start up. The injectors are firing because the mechanic used a light to tell when they were getting power so thats a good sign but im still not sure what to do. The relay that i pulled outta the other car the last 4 numbers were diff then the one that i had in the car. Im not sure what the numbers are cause they are both sitting in the car at this time. The ecu is sending the injector pulse cause the injectors are getting power. This really makes me think cause the car will run off of starting fluid then die cause its still not getting any gas. I'm wondering if there is anyone around here that has the same car as me so i can use there relay and see if it is that. Also my car doesnt have power steering or air conditioning. The car that i pulled it out of did and im not sure if that would make a difference or not. Anyone know if it would? **** i called Mitsubishi and they told me that they didnt even know. I really want to get my car up and running again cause i have a lot that i want to do to it. If anyone has any suggestions please please please please for the LOVE OF GOD TELL ME!!!!


Also i forgot...i took it to the dealer when it was running and had the codes read(cause the check engine light was really ****ing annoying) and they told me i had a bad radiator temp sensor. It was reading at -62 degrees. The car had problems starting when it was cold outside but when it was warm no problems at all.

Hi there. I had a similar problem about this time last year. My car (94 1.8L, 127K)would start up and really it ran fine until I shut it off. After that, I got nothing but the engine cranking away. I went through the whole spiel... plugs, cap & rotor, fuel, and just like you I replaced the ECU. I tried one from a junk yard as well as a remanufactured one. No go. Here ie the odd thing. When we pinched the fuel line with pliers to slow down the fuel going into the engine, the car started acting like it wanted to start. We eventually determined there was too much fuel going into the engine at start-up.

Unfortunately I do not have a final resolution on what was done to fix it, because one day the car just decided to start running normally again.

One thing I do know about the ECUs is that there were 2 numbers that I had to match up. What the numbers were, I don't recall, but they were on the housing.

you might want to try your fpr and maybe new injectors, they may be getting power and fuel to them but one might damaged.

I was talking to some people last night and they said it sounded like the same thing you just said so 500 dollars later im going to clean/change them and see if that takes care of the problem. I'll let you all know :o

Okay now ive got the car back and well....
Me and a buddy were checking it out trying to see if we were getting any fuel at all and he couldnt hear the fuel pump even working so i dont think im even getting power to the fuel pump. I tried getting a relay from the junk yard but the car i got it from was in perfect condition so that might have been one of the things with that car. What all would cause it not to get power and is anyone close to Rantoul Illinois? Maybe i could use your relay just to see if that works or not. Im at a pass here and not sure what to do. Send me a message over msn (ajbones@yahoo.com) or hell, dc me 188*279359*1
Anything would be helpfull

I have a 91 1.8 and had the same thing happen to me. I went to the junkyard and found a car that was wrecked. I wanted to make sure that the reason it was in the junkyard wasn't the ecu. It fixed my car. I think that your ecu tells your fuel pump when to come on and off. If your not getting any fuel that could be it.

This is sad. I don't know the year of my own car. its a 92 hence 92hp92eclipse

I dont think its the new ecu cause im not hearing the sound like the the old ecu was doing. Plus it is sending the injector pulse cause i used a test light to see so i dont think its the ecu in this case.

have you adjusted the valves? there is a lash adjustment on the 1.8's. do you smell fuel?

No fuel getting to the engine....i started a thread on how to bypass the relay so i can just get power to it to see if its the relay..(tounge tied) someone let me know on how to do it please and i'll do it tonight

ok i just got smart and took it to someone that i know knows what there doing so it should be fixed today or tomorrow....i'll let you all know what it was and how to fix it.

So, how did it turn out? I have a similar problem. I think your solution might help mine.

Still in the shop...lol...not sure whats going on cause the guy hasnt called me back yet.

What is it doing?

Okay everyone check this out. The problem was i had a wire shorted out in my gas tank. One wire. ONE WIRE!!!!! FIVE HUNDRED DOLLARS TO GET A WHOLE BUNCH OF **** I DIDNT NEED! 100 DOLLARS TO GET IT RUNNING. All i needed the whole time was to replace that one wire. Dude i got screwed(no lube, no reacharound) by the guy that i had to pay 500 dollars to. So now what? Should i take that guy to court? He also broke my center console beyond repair so i have to replace that now.....what do i do about it? :puzzled: :puzzled:



But the good thing is that i got my car back and its running!!! :amen: :beer: :banana:

He needs to pay for the console. If he has any good reputation at all he'll pay or you can make a big stink about it. in my state one of the tv channels has a guy that puts the person on tv and then asks why he would do something like that. Usually they make amends. Thats the extreme though.

I dont think that he has a good rep...my roommate told me that he was a good mech and he wasnt so.....but i'll talk to the guy and see what he has to say. Hopefully he will pay for it cause i dont want to sue him(but i will and my lawyers are more then happy to do it!)

What does he have to loose by getting you a new console. He made so much money off you that he can buy a junk yard piece that looks good for $50 or so. He'll prolly just replace it.