Jump to content
SAU Community

Recommended Posts

Another problem just come to mind - been reading the ECu resetting threads and it seems like my ECU should be reset already. My car battery doesn't hold any charge whatsoever and is usually left there for 2 or more days. Do I still need to short certain wires of the wiring loom just to turn it into diagnostic mode then let it reset itself that way?

when the car is turned on why would the battery affect anything? as the alternator is supplying enough voltage for everything so how could the ecu 'sense poor voltage'??
Not only is the alternator supplying volts to run everything, it is supplying volts to recharge the battery. And with a dead battery, it is supplying HEAPS of volts to try and recharge the battery. The ECU can sense this, and reckons its not a good thing.

A new battery could well solve the problem. And changing the battery will effectively cause a ECU reset.

Ok...

Parts needed - plugs, battery and possiby O2 sensor and inlet gasket

Need to look at - plugs, inlet gasket and O2 sensor

Anything else to that list? Troubleshooting this mofo makes me pull all my hair out

just reading other peoples responses and they are all possible solutions so heres mine. check afm you said it had a z32 unit and now the stock units. check afm connection. the stock afm's may be faulty and if the stock ecu senses this it runs in limp mode and that maybe your reasons for hard to start and bad idling. i think when the ecu senses the fault in the afm it will not allow the motor to rev very high. just a thought. good luck

Just a quick thought here.

Was it running a standard ecu with the z32's when you got it?? IF so when you changed the AFM's to standard im guessing you didn't have the computer remapped to suit the standard afm's??

This could be one part of your problem now as if you had a standard ecu with z32 afm's your ecu has definately been remapped, which isn't really a bad thing, but in changing to a standard air flow meter the ecu is going to be getting incorrect signals from the standard airflow meter.

IF i was you i'd take it to a good workshop, sit down and talk to them about it, put all the gear it came out with back on and see how you go.

Ok...

Parts needed - plugs, battery and possiby O2 sensor and inlet gasket

Need to look at - plugs, inlet gasket and O2 sensor

Anything else to that list? Troubleshooting this mofo makes me pull all my hair out

A BLOODY BATTERY!!!!!!!!!!! :D

Try pulling the plugs off each injector one at a time whilest the engines running. Could possibly give you an indication if its an injector. Also could it be the valve clearances? Have you done a compression check on the engine yet? Have you checked the fault codes on the ecu? The 26 I just put in my car ran like a pig and idled rough because I wired up the knock sensors around the wrong way. Good luck man!

  • 10 months later...

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now


  • Similar Content

  • Latest Posts

    • For these last 7 years of ownership, I've always had to use a small scissor jack under one of the front tow hooks to raise the front just enough so my low-profile jack fits under to reach my subframe jack point. I'm beginning to get annoyed of always having to do this. Are there any lower low-profile jacks that fit under the gtr lip on a dropped car?
    • Seat of the pants assessment of the new intake: The car is way less "doughy" when hitting the loud pedal, especially off idle when stopped or in traffic, I did use a cheapo lazer thermal thingo to measure the temp around where the pod filter got its air, it was between 55 - 60°C, in saying this the car was shut off and not moving, so the OEM intake pipe was not supplying any fresh air to where the pod was when the car was at least moving A weird bonus was induction noise on the throttle in the cabin increased a bit,  I was worried that I was actually going to lose some of that induction noise I love so much, outside though, when I got the daughter to do a WOT drive by pass for me, the induction noise has increased alot when on the throttle, not quite ITB doort, but well up there I'm extremely happy with the results and have been exploring the country roads in the region  As for house mods: 1.New front fence is up and is awesome, it really upgraded how the joint looks from the street, and the added security is nice 2. Electricians have replace some interior lights, and with more lighting in the garage, a few new motion detecting lights out the front above the garage, front room, and at the front door, which I have already found heaps helpful coming and going, also now has fancy pants CCTV all round the house The only hold point for power though is the solar and batteries due to supply issues, although this will happen over the next few weeks 3. I have done a heap of landscaping out the front and I'm almost ready to do a new small retaining wall with some nice blocks to replace the brick and cemented in rocks around the raised garden beds cemented in river stone "was the fashion at the time" the house was built. I currently have a pallet of retaining wall blocks and 2 bulka bags of 20mm blue metal to replace the wood chip that is in the raised garden beds around the house 4. I now have 3 big raised garden beds for out the back to grow some vegetables, about 70cm high, 200cm long and 100cm wide 5. My 2 compost bins are already pretty full with brown, green and kitchen waste from the landscaping I'vedone so far, but they will probably take a few months to break down, so anything else that gets chopped, trimmed, and kitchen waste will just start filling the base of the raised garden beds to about 30cm before I start throwing 40cm of good compost, and stuff, for the vegetables to grow in, I'll need a few ton of compost and soil, but the local supplier can sent me bulka bags of the stuff Basically the logs, wood chips and a few strategically placed rocks for drainage, will give the beds some good organic materials down low to break down over time, and they will hold moisture during the warmer months to save the water in my big arse water tank if we don't get alot of rain So, all in all, the car and house mods are going well, and I'm really enjoying being retired, I sleep in too 0700 and slowly plod around inside until I feel like actually doing anything, and only work in the yard for as long as want, which has actually been alot over the last few weeks,  although when you look at it, it seems that not a huge amount of work has been done,  until I look at the before I started the work pics Happy days and good times indeed 
    • hahaha yeah. Plan is to get side skirts and probably just rear pods. But going to do them one-by-one. I've got a set that I really like from RHDJapen, but that one isn't shipped to AU. So need to find someone who can get it for me
×
×
  • Create New...