Keith dixon Posted May 16 Report Share Posted May 16 Bought a ecu of a dealer a few years back he set it up told to come back when we had all mods completed never downloaded pc link on laptop was wondering what version is it for GX4 N350X latest firmware it for Nissan 350z manual drive at the moment car is running in like a dog revving at idle 2000rpm check engine light on and on occasion does not rev goes into limp mode Quote Link to comment Share on other sites More sharing options...
Vaughan Posted May 16 Report Share Posted May 16 https://linkecu.com/software-support/pc-link-downloads/#SoftwareDownloads this is the latest G4X/G5 PCLink and it has the latest firmware in it. Connecting PCLink to it and checking the fault codes would be your first step in diagnosing, does the car have a wideband O2 sensor fitted? Quote Link to comment Share on other sites More sharing options...
Keith dixon Posted May 17 Author Report Share Posted May 17 Code 76 Quote Link to comment Share on other sites More sharing options...
Adamw Posted May 17 Report Share Posted May 17 It will tell you the fault code description in red at the top of your screen. Code 76 is TPS sub/main tracking, so that suggests you havent calibrated the throttle position sensors. Quote Link to comment Share on other sites More sharing options...
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