Patchy's Fawlty Towers risk management. Enter at own risk

[StanTheMan]

Right yes.
That's awesome help that graph. Been looking at my log of the auto tune I did yesterday . I'm seeing stars.
Did an auto tune yesterday then drove it today to assess it. Then logged it to check it tonight and make changes to anything which looks dodgy

So next auto tune will be on the very hard settingon the change resistance.thats between 1500-5000 rpm
Then I'll check it once more with another log.

Also started getting my head around acceleration inrichment on that video you posted
Don't have a TPS as yet so will muck around with the alternative for now. But yes I have just a tiny dip in the acceleration from idle just like the guy describes

[StanTheMan]

Haven't really done any conscious WOT pulls.

Plenty ones where I wasn't paying attention maybe?
*i swear officer I wasn't watching while tearing down the road, I swear!!!!

[rascal]

...But she was a bitch to drive in traffic.

This is nothing to do with the ECU itself, and everything to do with the tune that was/is installed.
My adaptronic was similar at first install by the original installer/tuner. It would pig root, and splutter not idle, bad just off throttle, etc, etc.

After taking it to a proper tuner (ie someone who knows what he is doing, unlike the original tuner, who I wouldnt p** on if he was on fire) , the cars runs awesome. Starts & idles fine, crisp off throttle, AFRs are where they should be at all loads/revs.

I think for 99% of people, pretty much any decent ECU is fine, its all down to the tune within it..

[StanTheMan]

yes indeed,

I guess i wasn't clear. I didn't think about the whole process just purchased the bits & bolted them on. I found it very difficult to tune because I hadn't got my head around it at the time.(I'm saying this in hindsight) Never managed to get it right. The original tune wasnt much chop either and for a different car as well

Ive done a lot more reading this time around. I'm finding the process much more user friendly this time. I'm sure the current adaptronic is also a very good ECU. i cant comment on its user friendliness. Ive not had any experience with the current adaptronic.
By no means am I saying Ive become an expert. I'm enjoying the journey as it progresses.

I have to admit, yes Ive been a critic of aftermarket ECU's in the past. Because of my ignorance & inexperience with tuning.

what I was really trying to convey in the story was my rushing into it without really thinking about it. I came away very disappointed.
At the time I blamed the aftermarket ECU. I should have just paid someone $600 at the time to get it sorted for me as it was beyond what i could understand.

[StanTheMan]

just for everyones entertainment

Patchy.....about 10 years ago.

STM_Cars.jpg

Patchy_yellow.jpg

[re99ie]

I miss the old Patchy


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[StanTheMan]

She's still patchy,

as in Patched together more now days

[speed]

I think it's fantastic that your getting stuck in and learning how to tune. Cus seems to have learnt a lot as well.
Me, I'm still stoked with the autotune feature that ECU's have today.
Since I'll be going through the engineering process I have to pay someone that knows what they are doing in order to pass the EPA test. This has probably limited my eagerness to learn more.
That said, I'm happy so far.
My next hurdle will be connecting and wiring in the MAC valve.
I'm hoping that brings my car to life compared to wastegate boost.

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[StanTheMan]

I managed to muck up Autotune today. Forgot to include the AFR target.

[StanTheMan]

Today I got sick of waiting.

A serious ghetto AFM replacement tubing. Found it in the vacant lot down the road. Been looking for some 70mm aluminium tubing which I may be able to polish. But without luck

This is some toilet plumbing PVC!!!!!
. No I went and got a metre of PVC at Bunnings

IMG_6234.JPG

It's seriously dodgy but air tight.
Attached another dodgy air temp sensor I found in my leftovers.

Started her up. She ran like a charm. A fraction more noisy. But earthshatteringly lacking power.As before.
She should be going a lot harder.
At a loss. She's not labouring. She's just a bit lazy.


So then the accelerator broke off.

So hopefully thats where the missing power has been? I wonder.

[speed]

She should be going a lot harder.
At a loss. She's not labouring. She's just a bit lazy.


So then the accelerator broke off.

So hopefully thats where the missing power has been? I wonder.

Sounds like an "ahha" moment.

You think your throttle might not have been fully opening? That would do it!

I hope it's as simple as that. If it is, you'll have to recalibrate your TPS settings.

Come to think of it, I had to replace my accelerator cable bracket. I should also check mine!

Thanks Stan



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[StanTheMan]

Not using a TPS. Running on MAPdot
Either way it's going to be intresting and I'm hoping this is the solution.

[StanTheMan]

Well
It appears on my logs now that I'm looking closely. biggest I can find is 91.2

I did some logging today after removing the AFM. The highest I can find is 84 just before it broke off

But the highes I can find is from about a week ago is 97. Which isn't going to move the earth if the accelerator pedal was the cause.

There must be some other issues

Ohh well.
I gotta find a accelerator unit.

[speed]

Not using a TPS. Running on MAPdot
Either way it's going to be intresting and I'm hoping this is the solution.

Ok, my bad. You did mention that you don't have a variable tps. Doh!

Could the power loss be due to timing settings and have you checked compression recently to rule out if it is a tired engine?

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[StanTheMan]

Gawd getting the accelerator pedal box out is a major pain the backside
Been trying to follow Rolley guide on how to remove it but I'm not having luck it still stuck behind some steering bracket that's just bot moving out of the way.

Rolley's Guide
http://mx5cartalk.com/forum/viewtopic.php?style=3&f=77&t=71728