200sx-Starlet-Jay Posted February 28, 2008 Share Posted February 28, 2008 i thort u just disconect battery and thats it... altho it can mess with alarms, stereo settings ect! is there an easyer way... and how long are you supposed to leave it disconected for?! Quote Link to post Share on other sites
StarletRick Posted February 28, 2008 Share Posted February 28, 2008 it wont do anythin to the stereo or an alarm mate. just unplug the EFI fuse from the fusebox in the engine bay. after 15 or so mins, put it back. Quote Link to post Share on other sites
liam2368 Posted March 1, 2008 Share Posted March 1, 2008 is that the 15a one or the big black one that also says efi on the cover? Quote Link to post Share on other sites
StarletRick Posted March 1, 2008 Share Posted March 1, 2008 its the big black brick looking thing. yeah Quote Link to post Share on other sites
pallett Posted March 1, 2008 Share Posted March 1, 2008 what does resetting your ecu actually do? Quote Link to post Share on other sites
Glanza_Ragger Posted March 2, 2008 Share Posted March 2, 2008 what does resetting your ecu actually do?Resets the settings back to the factory standard, then it can lightly re-tune itself to things like an airfilter, exhaust and boost increase..Not a huge difference but it may help.They dont adjust much Quote Link to post Share on other sites
liam2368 Posted March 2, 2008 Share Posted March 2, 2008 its the big black brick looking thing. yeahso what is the small 15a efi fuse?i need to know this desperatly lol as it may source some of my problems Quote Link to post Share on other sites
liam2368 Posted March 2, 2008 Share Posted March 2, 2008 bumpage Quote Link to post Share on other sites
Guest Enzo Posted March 2, 2008 Share Posted March 2, 2008 hey bro yea its next to another one the same size, its denoted by efi on the back of the black box, thats the one.leave it out for 30 seconds and your ecus as good as done,did you get your car working bro? Quote Link to post Share on other sites
liam2368 Posted March 2, 2008 Share Posted March 2, 2008 nope cars still not sorted :angry: but when i removed the 15a efi fuse which is just a normal fuse not the black box thing my engine management light went off so what does that 15a fuse actually control? Quote Link to post Share on other sites
Tintin_SR Posted March 2, 2008 Share Posted March 2, 2008 nope cars still not sorted :angry: but when i removed the 15a efi fuse which is just a normal fuse not the black box thing my engine management light went off so what does that 15a fuse actually control?stuff and hings sorry bud i don't no lol Quote Link to post Share on other sites
liam2368 Posted March 4, 2008 Share Posted March 4, 2008 does anybody know? Quote Link to post Share on other sites
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