Does New Fuel Rail need remapping?
Dec 16, 2009, 11:27 PM
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Does New Fuel Rail need remapping?
Hi guys, I'm fitting a new Fuel rail with injectors today, would I need to remap my ECU? or would the car even start with the new fuel rail but with no remap?
Dec 16, 2009, 11:42 PM
#4
It should start with out retrimming the fuel maps, but the AFRs will definitely be different as opposed to the stock setup. Just keep an eye on the wideband and retune it when you get a chance. Don't go beating on it if you can't monitor your AFRs.
Dec 16, 2009, 11:50 PM
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Ok what's the easiest fastest way to retune the fuel maps? Would I have to take it to a tuner? Or can I do this myself somehow?
Sorry if this is a Noob question but I'm new to remapping Evos
and what is a wideband?
Sorry if this is a Noob question but I'm new to remapping Evos
and what is a wideband?
Last edited by Defratos; Dec 16, 2009 at 11:53 PM.
Dec 16, 2009, 11:53 PM
#6
You can remap it yourself, get a 2.0 Tatrix cable (meant for the X) and EvoScan and ECU flash, you can tune it out, but it takes some knowledge to do. Go search around the Tuning forum and I am sure you will find all you need. A tuner could do it for you of course, but somethings you should learn on your own, and it will be much cheaper.
Dec 17, 2009, 12:02 AM
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Would you be able to give me one or two links from the tuning forum relating to this particular issue?
I will do my research but I would really appreciate it if you could give me a link or two to get me started
Thanks
I will do my research but I would really appreciate it if you could give me a link or two to get me started
Thanks
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Dec 17, 2009, 08:01 AM
#8
Secondly, it seems like you have zero knowledge how to tune a Evo. I highly suggest you contact a tuner to this for you, or wait to get more mods, put them on all at once and baby the car to a tuner closest to you to save some money.
Dec 17, 2009, 02:07 PM
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Upgrading the pump/filter/fuel rail is no problem. I'd skip installing the injectors until right before your tune. Your motor will get too much gas without a retune...when I asked my tuner "Will the car run?" his response was "Define run."
If you aren't installing a larger turbo or converting to E85 then you won't need fueling upgrades...the stock parts are good enough to max the stock turbo on pump gas. I did the same thing, tho...I didn't know better at the time. I'm ready to go when I get a larger turbo, anyway.
If you aren't installing a larger turbo or converting to E85 then you won't need fueling upgrades...the stock parts are good enough to max the stock turbo on pump gas. I did the same thing, tho...I didn't know better at the time. I'm ready to go when I get a larger turbo, anyway.
Last edited by mlomker; Dec 17, 2009 at 02:24 PM.
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