ECU anyone?

[Edbear]

A mate of mine has an '04 GSX 1400 and has been mucked around by a guy who is supposed to know what he's doing who has succeeded in making the bike run on three cylinders. After several weeks and many tries, including putting it back to standard spec, the problem is exactly the same.

Naturally my mate is reluctant to continue with this guy. He's asked if anyone on here can fit an ECU from their own bike to ensure the issue is definitely his ECU or with something else. Cylinder 3 is not firing. He's in Whangaparoa.

[AllanB]

Maybe it is the battery ............;)

[T.W.R]

Was it running on 3 cylinders before the ecu was mucked around with because if so it may not necessarily be that. Check compression. When my bike only started on 3 cylinders due to not being run everyday I just squirted some CRC down the spark plug hole to get it firing

:lol: toolbox in can for ............ :wacko:


Ed do the simple stuff 1st ; swap plugs around to make sure the 1 in #3 pot isn't dead. Check #3 ht lead isn't crook. Work backwards from the fault not forward from what you suspect is the issue ;)

[98tls]

:lol: toolbox in can for ............ :wacko:


Ed do the simple stuff 1st ; swap plugs around to make sure the 1 in #3 pot isn't dead. Check #3 ht lead isn't crook. Work backwards from the fault not forward from what you suspect is the issue ;)

What he said.....

[nzspokes]

:lol: toolbox in can for ............ :wacko:


Ed do the simple stuff 1st ; swap plugs around to make sure the 1 in #3 pot isn't dead. Check #3 ht lead isn't crook. Work backwards from the fault not forward from what you suspect is the issue ;)

Agreed. Timing light will help with this.

[caseye]

Was it running on 3 cylinders before the ecu was mucked around with because if so it may not necessarily be that. Check compression. When my bike only started on 3 cylinders due to not being run everyday I just squirted some CRC down the spark plug hole to get it firing

There you go ED. God!@#$ Has spoken.
Sometimes I wish I didn't have to behave myself in here.
Ah fuck it, what the fuck would you know bitch?

[nzspokes]

Hang on, they are injected? It should throw up a fault code would it not? Ive never worked on one but the below page would say they do.

http://gsx1400fe.co.uk/gsx1400_FAQs_&_fault_codes.htm

[bogan]

You can do many checks of the sparks and the like, but a check through the OBD plug for codes should tell you what's going on straight way. And it'll be easier to find an OBD scanner than someone to swap in an ECU to a bike you think might have damaged it's current one.

[jonbuoy]

You can do many checks of the sparks and the like, but a check through the OBD plug for codes should tell you what's going on straight way. And it'll be easier to find an OBD scanner than someone to swap in an ECU to a bike you think might have damaged it's current one.

Could be an awkward moment to have two bikes running on three cylinders.

Can the guy not even say if it's fuel or spark that's at fault?

[Edbear]

Was it running on 3 cylinders before the ecu was mucked around with because if so it may not necessarily be that. Check compression. When my bike only started on 3 cylinders due to not being run everyday I just squirted some CRC down the spark plug hole to get it firing

It was running on four until he sent the ECU to be remapped by this guy who was supposed to be good at it and was going to be cheaper than a Power Commander. Apparently, and I am only going on what my mate said, was that remapping a stock ECU requires hacking it. But when it was returned it was only firing on three with raw fuel flooding the inactive cylinder. After several goes at it, my mate sent it back and asked him to set it back to stock.

This was after talking to Brett running the Dyno at Hampton Downs last weekend. Brett said to put it back to stock and give him the bike. He would mount a Power Commander and Dyno tune it.

But on reinstalling the ECU it was still doing the same. He's not happy at all considering he may be now up for a new ECU plus the Dyno tune and PC.

[bogan]

So, it could be a cock up when reassembling and #3 just isn't getting spark anymore? Or it could be a cock up on reflashing the ECU; did the same guy do the work on both? if so just make him fix it or replace it. If not, put a scope on the #3 coil wire at ECU to determine who's responsibility it is to fix it.

[buggerit]

Ray Clee is probably the best bet close by to sought the problem and tune, without the need for a power commander.

[Jin]

I think with bike electronics they are best left to franchised dealers despite the high cost.
I just soak ecus with crc. Works every time.

[nzspokes]

I just soak ecus with crc. Works every time.

Yeah got to replace that ECU fluid.

[onearmedbandit]

I think with bike electronics they are best left to franchised dealers despite the high cost.

Yeah nah. Plenty of non-franchise tuners out there that I'd trust with my bikes electronics over the franchise dealer.

[Edbear]

Ray Clee needs to clone himself! Poor guy's got so much work on and everyone wants their bike done yesterday. He's trying to get his own ready for the season and can't remember what a night's sleep was!

The fault is definitely with the tuner and it's possible he has damaged the ECU. It's just that my mate has wasted two months and several dollars already on this guy and his excuses that he just wants it fixed so he can ride.

I'm not familiar with the issue and have to go by what he says and by what Brett said. From what I heard, the guy is a bit hit and miss. Sometimes he gets it right but not always. In my mate's case, he would have been better off taking it to Brett in the first place. Other people have been happy with the outcome.

[nzspokes]

Not much help but Roger at Action Wreckers on Barrys point road may have one.

[nzspokes]

they will know all about a motorike computers too.

Well they would know how to spell better than you.

[Tazz]

I just soak ecus with crc. Works every time.

I prefer pine scented cleaner. Makes the exhaust note smell a bit fresher too.


Yeah nah. Plenty of non-franchise tuners out there that I'd trust with my bikes electronics over the franchise dealer.

x2. That goes for any work. The dealer 'protection' is also a myth unless it's under warranty, and even under warranty you can pay for some things that aren't covered by it that you assume would be. You'll only find that out after shit hits the fan.

If your awesome mechanic also happens to work for your dealer, that is just a bonus, sort of. Dealers often have bigger MUs too, although to be fair bikes don't seem to be as bad as cars in that respect.


Better consumer protection from a franchised dealer though and maybe some guys just put too much trust in people who say they know all about computer programming and think
they will know all about a motorike computers too.

You should look into a bit of programming to understand the world a bit better. Going from this and your comments in another thread about game programmers working on ECU's it is quite clear you don't really understand what you are talking about. No offence meant. Enlighten yourself. You'll be better for it :)

[Edbear]

Not much help but Roger at Action Wreckers on Barrys point road may have one.

Worth a phone call anyway, thanks!

[onearmedbandit]

Better consumer protection from a franchised dealer though and maybe some guys just put too much trust in people who say they know all about computer programming and think
they will know all about a motorike computers too.

Not necessarily and it's about making informed decisions. NZ is small enough that it's very easy to identify who to go to.

[jellywrestler]

The fault is definitely with the tuner and it's possible he has damaged the ECU. It's just that my mate has wasted two months and several dollars already on this guy and his excuses that he just wants it fixed so he can ride.

i've not played with anything modern like this but curious to know when 'mapped' 'altered' or whatever it's called would the alteration be detailing individual cylinders?
basic theory would wonder what the reason is to go into this sort of detail, with the exception of using one cylinder as a rev limiter.

[Edbear]

i've not played with anything modern like this but curious to know when 'mapped' 'altered' or whatever it's called would the alteration be detailing individual cylinders?
basic theory would wonder what the reason is to go into this sort of detail, with the exception of using one cylinder as a rev limiter.

I don't know mate. It's out of my area of expertise, that's for sure. He's going to call me a bit later so I'll get an update.

[jonbuoy]

i've not played with anything modern like this but curious to know when 'mapped' 'altered' or whatever it's called would the alteration be detailing individual cylinders?
basic theory would wonder what the reason is to go into this sort of detail, with the exception of using one cylinder as a rev limiter.

If it's sequential with a cam sensor you can trim fuel to individual cylinders and get the EGT or AFR spot on to allow for intake exhaust differences. Not sure you gain much power - seems to more affect emmsions.

[jonbuoy]

Not everyone is an IT wizz or grew up with computers and you could say if the guy had studied programming he too could have sorted his ECU problem himself. Did you know that even IT contractors employed by big companies dont get it right first time or at all meaning its an industry with a lot of people who make false claims about their ability in order to get work. If you think dealers do not have to gurantee their work out of warranty you need to read the Fair Trading Act. I am aware that some car dealers are only offering mechanical warranties with their vehicles which maybe what you are getting at but you have the option not to buy that brand too.

Embedded ECU programming and "IT" are completely different fields. To reverse engineer and re-flash a manufacturers ECU is not something many people will be able to do- chances are the guy has aftermarket software to tweak the ECU in question.

Sometimes contractors don't get it right because they screwed up and sometimes they don't get it right because someone else sold them a product that doesn't work and sometimes things that should work together just don't.

Re-flashing an ECU with a custom map will almost certainly void manufacturers warranty. Re-flashing any hardware always carries a risk that something will go wrong and you will be left with a dead unit that can't be re-flashed. Or left with a "new" version that's worse than the old versions but cant be rolled back.