TUNE my 1jzgte!!!
07-23-11, 06:11 PM
#1
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TUNE my 1jzgte!!!
Hey everyone im new here my names drew and i reallly really need help getting my sc300 tuned, right now im running so rich and my A/F ratio is sitting at 10.0 when it need to be around 14.5 at idle so i really need help!
im from chicago also so anyone who knows anyone who can do it let me know please
im from chicago also so anyone who knows anyone who can do it let me know please
07-23-11, 09:55 PM
#4
It's not rich due to a bad tune, there's actually something wrong.
Pull the codes and check the inside of the Ecu for any obvious melted capacitors. Check for vacuum leaks. If the ECU coolant temp sensor is old, remove it and see if it's really dirty...and wipe it off and reinstall it.
That would be a good start.
Then search soarercentral and supramania.com forums for more info.
Pull the codes and check the inside of the Ecu for any obvious melted capacitors. Check for vacuum leaks. If the ECU coolant temp sensor is old, remove it and see if it's really dirty...and wipe it off and reinstall it.
That would be a good start.
Then search soarercentral and supramania.com forums for more info.
07-23-11, 10:00 PM
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its not a bad tune, its no tune at all haha and itneeds a tune regardless of what else is wrong,
its burning a little oil and iv pulled the codes a few times to double check and also checked inside the ECU pretty much right away,
the heat and humid air is just killing it as well and its been out of tune for almost a year
its getting annoying
its burning a little oil and iv pulled the codes a few times to double check and also checked inside the ECU pretty much right away,
the heat and humid air is just killing it as well and its been out of tune for almost a year
its getting annoying
07-23-11, 10:01 PM
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07-23-11, 10:08 PM
#8
Ive seen some people recently with this problem on supraforums and supramania but I dont know if they found the culprit or not.
ecu coolant temp sensor can cause a rich mixture and so can the o2 sensor if they aren't sending the correct signals to the Ecu.
ecu coolant temp sensor can cause a rich mixture and so can the o2 sensor if they aren't sending the correct signals to the Ecu.
07-23-11, 10:11 PM
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So do you think i should just go back and look at all the ecu wiring one by one and go from there? i did that 4 days and ago and i didnt have much luck and was just frustrated
07-23-11, 10:21 PM
#10
Try another ECU before you do anything else with it. Doesn't matter if it's leaking caps or not as it can drop the injectors drivers and it will dump fuel from 1 or all injectors.
You could fire it up, then shut it off and quickly pull the plugs to see if any are doused in fuel or any cylinders smell like raw fuel.
I keep a spare around for times like this...
You could fire it up, then shut it off and quickly pull the plugs to see if any are doused in fuel or any cylinders smell like raw fuel.
I keep a spare around for times like this...
07-23-11, 10:42 PM
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