1jzgte running lean in boost. help!!

wynne240

New Member
Apr 3, 2011
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greenville, nc
Im having an issue with my 1jz. I have factory map, jzx90ecu (recapped by driftmotion). I am running a holset hx35, 3" exhaust 2 1/2" icp. At idle my afr go between 14.6 to 16 and sometimes hits 19. Wot in boost it keeps reading 13-15 afr wth???? Any ideas? Feel free to txt or call if u want to. My name is andy and my # 252-933-3242 thanks
 

scmaluco

New Member
May 16, 2012
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BayArea
wynne240;1851243 said:
Im having an issue with my 1jz. I have factory map, jzx90ecu (recapped by driftmotion). I am running a holset hx35, 3" exhaust 2 1/2" icp. At idle my afr go between 14.6 to 16 and sometimes hits 19. Wot in boost it keeps reading 13-15 afr wth???? Any ideas? Feel free to txt or call if u want to. My name is andy and my # 252-933-3242 thanks
list of mods would help alot.. + how much boost are you running.? and if what you posted up is the only mods you got then get it tuned and your problem will be solved.. :). safc would be a good way to go if you don't want to spend bread on a standalone .
 

wynne240

New Member
Apr 3, 2011
15
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0
greenville, nc
Yea that's pretty much my only mods right now. I have 560cc Injectors and a emanage ultimate to get hooked up and tuned but that tune is $400 away lol so I was hoping to fix the problem so I can drive it until I get the money to get it tuned.
 

te72

Classifieds Moderator
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Mar 26, 2006
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If you don't want to melt a piston, I'd recommend not driving it until it's tuned properly. ;)
 

scmaluco

New Member
May 16, 2012
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BayArea
wynne240;1851295 said:
Yea that's pretty much my only mods right now. I have 560cc Injectors and a emanage ultimate to get hooked up and tuned but that tune is $400 away lol so I was hoping to fix the problem so I can drive it until I get the money to get it tuned.

theres your answer man... get it tune. i understand the whole concept. im gathering all my parts right now to put my new twin k26s on but it will take a while since i need money for tunning and more parts lol.. why not hook up the emanage and get a base map.. you might be better off doing that . or turn down the boost.. (dont know if it will help but you could try..) just take it easy with the car until you tune it.