nurrish

O and i get no ecu error codes

Have been busy today!! Not only did i fit a sat nav i also fixed my car Took apart my top end to get to the fuel rails. Took out my injectors and replaced the o-rings. But everything back together. Started the car up and it seemed ok......took it for a drive and it was doing the same a definite misfire on accelerating.. Arse!!!! So i switch it to map 2 (a downloaded map from turboxs) Started the car and pulled off!!! boy o boy!!! no misfire and went like a rocket!!!! What i don't understand is surly this could of been detected when i went for my tune Anyway my car is ready

I posted my problem over at my350z and here are two replies which i have received Seems to be very common

Thanks for the support mark Here is what i intend to do: Replace spark plugs for denso 1 step colder, check for air leaks in and around the plenum chamber,clean the maf and check all nuts on exhaust and cats and check for gas leaks. Once i have done all these checks i will have a better picture on where to go next. After this it still drives well with slight misfires i will get it on a dyno and see what she does. I would understand the need to go further into this if the car drove like a bag of nails.....but considering the fact it drives fine and pulls when needed the things i am going to do are just going to further conclude that its the tuning that will sort the car out.

1: Nurrish - Red - 22mm - PAID 2: Andy - Red - 16mm - PAID 3: fakeindian - Silver - TBC - PAID 4: rtbiscuit - Red - TBC 5: GT4 Zed - Red - 22mm - PAID 6: Lincolnbaggie - Silver - 16mm - PAID 7: Alessandro - Silver - 16mm - PAID 8. BRO-T - Red - TBC 9.Kris - Red - TBC - PAID Nearly there Anyone else want to jump into the tenth spot

I will get the plugs up later on. I sent you a text saying that i had forgotten the spacer but come round the weekend and you can fit it too

Its not misfiring on all cylinders bennett just multiple ones....having spoken with str8dum1 he believes like many others that this is very common when running FI and its something that can be worked into the tune. Obviously i am going to check plugs, injectors etc....if yoiur around the weekend come round and we will go out for a drive in it and see what you think but to me the car is driving like it should

1: Nurrish - Red - 22mm - PAID 2: Andy - Red - 16mm - PAID 3: fakeindian - Silver - TBC - PAID 4: rtbiscuit - Red - TBC 5: GT4 Zed - Red - 22mm - PAID 6: Lincolnbaggie - Silver - 16mm - PAID 7: Alessandro - Silver - 16mm - PAID 8. BRO-T - Red - TBC 9.Kris - Red - TBC

Thanks for your view dorian

I just thought eliminating the uprev will take the ecu back to stock which i assume then the utec will be able to do what its supposed to do without having to combat the extra parameters set by uprev.

Can that be done with just having the ecu or would you need my car too? could you not just drive the car down and get it done properly? I could do yes. I could have the uprev deleted and get back to standard which should make the utec more incontrol of what its trying to do. Or go with uprev for the whole tune.....

Can that be done with just having the ecu or would you need my car too?

Is this something i could just send to you?

Thanks for the offer

Im sure i have a haltech down the side of my couch Im fine with everything....i could go and tune it now as pete is happy to put it on the dyno. But he just advised to see if i can sort out the misfire first just as a precaution....Im sure its something that can be ironed out once on the dyno and the tuning begins

I have a feeling too that they are conflicting with each other and throwing out the fueling and timing....i have posted this issue over at my350z so i will see if someone can shed some light on it

Here is an email i received from str8dum1

mmm and no detonation on standard ecu? Another suggestion is cleaning the maf as it has been sitting exposed for nearly 3 months....got a busy weekend ahead of me

As i said before the car drives well and pulls like it should without much hesitance. Surly if something major has a foot i'd be running like a bag of nails.....having read lots and lots over at my350z this error is really common in FI to the extent some people ignore and tune it into the map. Obviously i want eliminate all possibilities and once im happy its back on with the tuning

1: Nurrish - Red - 22mm - PAID 2: Andy - Red - 16mm - PAID 3: fakeindian -Red - TBC 4: rtbiscuit - Red - TBC 5: GT4 Zed - Red - 22mm 6: Lincolnbaggie - Silver - 16mm - PAID 7: Alessandro - Silver - 16mm - PAID 8. BRO-T - Red - TBC 9.Kris - Red - TBC

I did that too

Did some diagnostics on my car just now I can safely say the utec is NOT at fault. My car threw error code p0300 "multiple cylinder misfire" on the standard ecu So i cleared the code and reconnected my utec. I went for a little drive just to see how it felt. It pulls like it use to (s/c not connected) and i feels more than capable. i got passed 3000 rpm and then it threw the cell again. I now have constant fuel pressure and I am quite relieved as it could be just a simple issue of getting more capable spark plugs or clearing out the injectors. The exhaust is a bit bubbly but im sure that is just the excess of over fueling

1: Nurrish - Red - 22mm 2: Andy - Red - 16mm - PAID 3: fakeindian -Red - TBC 4: rtbiscuit - Red - TBC 5: GT4 Zed - Red - 22mm 6: Lincolnbaggie - Silver - 16mm - PAID 7: Alessandro - Silver - 16mm 8. BRO-T - Red - TBC 9.Kris - Red - TBC

Please send payments to davidnurrish@blueyonder.co.uk Put your username in with the notes. Also send as a gift payment

There are the ones that they produce....you could paint it your self if you wanted a custom colour as it wouldn't cost that much