Laminar Posted March 3 Report Share Posted March 3 I just got my downpipes installed and Spartan3s wired up on my test stand this weekend. I fired up the engine and found the Lambda reading cycling on and off while running. I never see a Lambda error pop up, just a Heating-Operating-Off cycle repeating. The Spartans will reliably run while the engine is off and then shut down when I fire it up (maybe voltage drop causing a reset?) But they'll still cycle back off while running. Log: https://drive.google.com/file/d/1VFtPmPx3jF_EgX8KGufgq8rJ0f3xtH2R/view?usp=drive_link rx8-xtremex.pclx Quote Link to comment Share on other sites More sharing options...
castillaricardo Posted March 4 Report Share Posted March 4 What firmware are you using for the Spartan 3s? And what performance mode do you have the controllers set to? I encountered a similar issue when trying Performance mode 0, and Alan said firmware 1.09 should fix it, but I haven’t been able to test. If you have the same issue as me, you can set them to Performance 1 or upgrade the firmware. https://14point7.discoursehosting.net/t/spartan-3-shows-0-lambda-sporadically/250 Quote Link to comment Share on other sites More sharing options...
Laminar Posted March 4 Author Report Share Posted March 4 I'll have to double check my firmware and performance mode tonight. I initially set it up last September so it's probably 1.08, looks like 1.09 just came out this year. Quote Link to comment Share on other sites More sharing options...
Laminar Posted March 5 Author Report Share Posted March 5 1.09 did it! Thank you! castillaricardo 1 Quote Link to comment Share on other sites More sharing options...
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