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STR8 2.8
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5MGE's runnin pig rich! Mon, 28 June 2004 07:29 Go to next message
I hate cars.

Damn 5MGE is runnin so damn rich, blowin nice healthy black smoke

Throw some suggestions at me.
The microtech is leaned out to the max and it still wont play nice.

could the tps or idle speed screw have anything to do with it?
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BlackSupra
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Re: 5MGE's runnin pig rich! Mon, 28 June 2004 07:31 Go to previous messageGo to next message
For fuks sake.

Buy a 5mge ecu and harness.
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STR8 2.8
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Re: 5MGE's runnin pig rich! Mon, 28 June 2004 07:35 Go to previous messageGo to next message
yeh that sounds like a decent idea.
this wiring is so fuckin dodgy.
i wired up teh coolant temp sensor today...which was not hooked up.
the injectors are running through the fuckin fuel pump relay
argh! uber mega dodgy shit
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joecoolmk2
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Re: 5MGE's runnin pig rich! Mon, 28 June 2004 08:44 Go to previous messageGo to next message
how much do you's reckon a metal head gasket would cost for a 5M-E?
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V8_MA61
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Re: 5MGE's runnin pig rich! Mon, 28 June 2004 09:16 Go to previous messageGo to next message
more than the motor is worth mate Smile $300 at a guess.
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wilbo666
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Re: 5MGE's runnin pig rich! Mon, 28 June 2004 09:45 Go to previous messageGo to next message
joecoolmk2 wrote on Mon, 28 June 2004 18:44

how much do you's reckon a metal head gasket would cost for a 5M-E?


lol the question that comes to my mind is WHY Laughing

If you are aiming to work it, save your money! (work towards saving for an engine conversion)

Cheers
Wilbo
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STR8 2.8
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Re: 5MGE's runnin pig rich! Tue, 29 June 2004 05:30 Go to previous messageGo to next message
shit, heres more dodgyness.

just checked the injector wiring.

seems there is continuity between both terminals of the injector plugs and both injector bank wires from the computer.
wtf? who wired this shit up?
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CrUZsida
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Re: 5MGE's runnin pig rich! Wed, 30 June 2004 03:28 Go to previous messageGo to next message
STR8 2.8 wrote on Tue, 29 June 2004 13:30

seems there is continuity between both terminals of the injector plugs and both injector bank wires from the computer.
wtf? who wired this shit up?

Umm, there should be continuity.
Your Injectors are basically a 2ish ohm resistor.
So there should be about 0.6ohm resistance across each injector (providing its 2 sets of 3)
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STR8 2.8
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Re: 5MGE's runnin pig rich! Wed, 30 June 2004 03:55 Go to previous messageGo to next message
u misunderstood what i meant.

not between the injector itself.

its kinda confusing, but trust me, its dodgy.

and any thoughts on why the injectors have been set up as so:

two injectors with one signal wire
two with the other signal wire
two running off the AIR TEMP SENSOR WIRE

???
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STR8 2.8
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Re: 5MGE's runnin pig rich! Wed, 30 June 2004 03:56 Go to previous messageGo to next message
also, since the D4s computer cann only run 6 12ohm injectors, and its running 6 2ohm injectors...

my memory is a little shady, but 6x12ohm injectors would make it a 2ohm circuit would it not?
but since they are 2ohm injectors, it is actually about a 1/3ohm circuit....that sounds dodgy

what sorta problems will it cause?

this is some dodgy shit, but it did run before hand.

[Updated on: Wed, 30 June 2004 04:03]

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indian
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Re: 5MGE's runnin pig rich! Wed, 30 June 2004 03:57 Go to previous messageGo to next message
WIRE THE COOLANT SENSOR PROPERLY IF NOT IT WILL RUN RICH LIKE BUGGERY
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CrUZsida
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Re: 5MGE's runnin pig rich! Wed, 30 June 2004 03:59 Go to previous messageGo to next message
Definately fuck the microtech off for the moment, and get a 5mge ecu

OR

remove it completely and start again with a correct wiring diagram.
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STR8 2.8
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Re: 5MGE's runnin pig rich! Wed, 30 June 2004 04:07 Go to previous messageGo to next message
have since discovered that the coolant sensor was hooked up...to the cold start injector time switch haha
but i had already rewired that so thats good now.
warmup enrichment is wound down but that doesnt make much difference.

basically before i go and buy a new ecu and loom,

i just want to know if it possible to make this run again,
even though it has 2ohm injectors, not 12 ohm injectors.
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CrUZsida
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Re: 5MGE's runnin pig rich! Wed, 30 June 2004 04:28 Go to previous messageGo to next message
I'm guessing the D4 has 2 injector drivers?
In which case I dont think it could handle 3 low impedance injectors in parallel, without a resistor bank i think they use.


Call up microtech, or check out the website.
There should be a low impedance injector driver unit somewhere
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gianttomato
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Re: 5MGE's runnin pig rich! Wed, 30 June 2004 04:39 Go to previous messageGo to next message
The 5ME injectors are 2.4 ohms just like a 5MGE. They run a resistor pack in series to bring the resistance/impedence (not sure on the correct electrical term) up. Each resistor is about 7 ohms.

I suggest you run them - I think this is the sort of scenario where you could fry your injector drivers. That said, I don't think it's the cause of your problem.
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STR8 2.8
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Re: 5MGE's runnin pig rich! Wed, 30 June 2004 04:42 Go to previous messageGo to next message
ok thanks guys, thats the info i was after.

forgive my ignorance, but is this resistor pack factory, or do i have to find it somewhere and wire it in...
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gianttomato
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Re: 5MGE's runnin pig rich! Wed, 30 June 2004 04:46 Go to previous messageGo to next message
The resistor pack is factory. It will be somewhere on the LHS on the inner guard. It'll be silver with heat sink ribbing on it - from memory it has only one plug. Earlier stuff had a sheet metal cover over 6 individual resistors with 2 plugs - one plug has 6 pins, the other has a single pin.
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STR8 2.8
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Re: 5MGE's runnin pig rich! Wed, 30 June 2004 04:48 Go to previous messageGo to next message
ok cool, i know what you are talking about.

can i just wire in another resistor?

[Updated on: Wed, 30 June 2004 05:45]

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CrUZsida
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Re: 5MGE's runnin pig rich! Wed, 30 June 2004 04:50 Go to previous messageGo to next message
Your more likely to fry the ECU than the injectors if they are the wrong impedance.
It tries to put out 5 times the current, and can fry internals
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gianttomato
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Re: 5MGE's runnin pig rich! Wed, 30 June 2004 04:53 Go to previous messageGo to next message
Quote:

Your more likely to fry the ECU than the injectors if they are the wrong impedance.
It tries to put out 5 times the current, and can fry internals


That's right, cook the injector outputs on the ECU (the injector drivers). There goes your ECU (even if it sounds like it is a bucket of shit).

You are measuring resistance (2.4 + 7 = 9.4 by my reckoning) - what you should be measuring is impedence and this is likely to be different. 9.4 is closer to 12 than 2.4.

[Updated on: Wed, 30 June 2004 04:57]

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STR8 2.8
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Re: 5MGE's runnin pig rich! Wed, 30 June 2004 05:58 Go to previous messageGo to next message
man this is crap

guess ill just buy a 5MGE ecu then.

damn the man who wired this up! damn you to hell! Mad


thanks very much for ur help GT & Cruzsida Very Happy

[Updated on: Wed, 30 June 2004 06:01]

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gianttomato
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Re: 5MGE's runnin pig rich! Wed, 30 June 2004 06:18 Go to previous messageGo to next message
Just get the wiring diagram for it and start again. Never trust anyone else's (half finished) wiring.
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STR8 2.8
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Re: 5MGE's runnin pig rich! Wed, 30 June 2004 06:28 Go to previous messageGo to next message
well after speaking to microtech,
its definate that i can't use this computer anyway.

so i dont have any other choice.

now to find the right ECU ! fun fun fun

[Updated on: Wed, 30 June 2004 06:29]

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gianttomato
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Re: 5MGE's runnin pig rich! Wed, 30 June 2004 08:53 Go to previous messageGo to next message
If you have no luck finding a 5MGE ECU and loom (there were 2 here at Pick a Part only a week ago - now raped), use a 5ME loom and ECU and use a converted 5ME dizzy.
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STR8 2.8
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Re: 5MGE's runnin pig rich! Wed, 30 June 2004 10:08 Go to previous messageGo to next message
well its already running a 5ME computer and dizzy
i was under the impression that the early 5MGE looms were the same as 5ME ones.
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CrUZsida
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Re: 5MGE's runnin pig rich! Wed, 30 June 2004 22:59 Go to previous messageGo to next message
AFAIK, early 5mge looms are the same as 5me ones

So whats wrong with the microtech? only good for 4 cyl with hi impedance plugs?
Wanna sell it?
Details boy.

I might be able to get you a late model 5mge loom and ecu, along with most sensors.
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gianttomato
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Re: 5MGE's runnin pig rich! Wed, 30 June 2004 23:50 Go to previous messageGo to next message
Well, then I would start again.

Rule out that the CSI isn't running all the time. Make sure the water temp sensor is connected correctly. The resistor pack has it own plug(s) - if this has been left out then sounds like there are some issues with wiring. The 5ME ECU should run it just fine - Allan has done it (5 and 6MGE) a few times here with no issues.

I would start afresh using the wiring diagrams in the repository or just buy a 5ME loom from a wrecker. It's really a no brainer - in fact you should be able to just use the loom that was in your car.

I thought you were running the old Microtech ECU - it wasn't clear in any of your posts.

[Updated on: Thu, 01 July 2004 00:00]

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CrUZsida
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Re: 5MGE's runnin pig rich! Thu, 01 July 2004 00:06 Go to previous messageGo to next message
Quote:

I thought you were running the old Microtech ECU - it wasn't clear in any of your posts.

I think he is.

I think
Quote:

well its already running a 5ME computer

Was a typo
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STR8 2.8
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Re: 5MGE's runnin pig rich! Thu, 01 July 2004 00:36 Go to previous messageGo to next message
ok heres the story.

it is running a 5ME loom and manual 5ME computer, with the microtech running the fuel.

i think its an early model 5MGE so i am looking out for a 5ME wiring harness. (it had twin v-belts, has a square tps)
it is running a 5ME dizzy.

the microtech can only run 6 hi-impedence plugs.

wiring is a mess, the 5ME loom has been butchered.
csi was disconnected, and the temp sensor connected correctly.
resistor has not been used.

and yes, i would like to sell the computer. you have pm cruz
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CrUZsida
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Re: 5MGE's runnin pig rich! Thu, 01 July 2004 01:24 Go to previous messageGo to next message
Wait a sec

If you have a 5me ecu, hooked up, and just the AFM and the injectors disconnected, just reconnect them

Its not that hard.

Oh, and you will prolly need to buy an AFM from someone too
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EvilJack
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Re: 5MGE's runnin pig rich! Thu, 01 July 2004 01:38 Go to previous messageGo to next message
Just a small thing, maybe your oxy sensor is faulty? not sure if the 5me had one

my 1ggte was running really rich till i swapped the oxy sensor over, before that i tried new dizzy cap, rotor button and leads but still no dice.

Traced it to be a fuel problem and ofcourse the oxy sensor was the culpret

my 2c Cool

[Updated on: Thu, 01 July 2004 01:39]

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Norbie
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Re: 5MGE's runnin pig rich! Thu, 01 July 2004 03:22 Go to previous messageGo to next message
I don't get it... the 5M-E computer (which is a fuel-only computer) is still connected, but the Microtech is controlling the fuelling... so WTF is the 5M-E computer doing?

I think the best option is to tear everything out and start again... what a mess!
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CrUZsida
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Re: 5MGE's runnin pig rich! Thu, 01 July 2004 03:28 Go to previous messageGo to next message
Norbie wrote on Thu, 01 July 2004 11:22

... so WTF is the 5M-E computer doing?

Thats what I'm trying to work out.

Maybe its controlling the, umm, ISCV?
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STR8 2.8
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Re: 5MGE's runnin pig rich! Thu, 01 July 2004 04:28 Go to previous messageGo to next message
beats the shit out of me?

i think the same, i think ill just rip it all out and plug in a nice new loom and ecu.
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STR8 2.8
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Re: 5MGE's runnin pig rich! Thu, 01 July 2004 04:35 Go to previous messageGo to next message
i think it may be an early model 5MGE, but if i swapped the loom and ecu from a late model 5MGE, would it work?

i dont think the engine has an isc valve?
can anyone post a picture of what it looks like...
i can't find it from the manuals

do the early models have a abv instead?
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CrUZsida
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Re: 5MGE's runnin pig rich! Thu, 01 July 2004 04:41 Go to previous message
If ABV means Air Bypass Valve, then yes, its the same thing

Its on the end of the plenum, right next to the dizzy.
The intake pipe T's off and goes to it with a 1" thick hose
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