Ollieh17 Posted September 23, 2014 Author Share Posted September 23, 2014 Any ideas?? Quote Link to post Share on other sites
ramses Posted September 26, 2014 Share Posted September 26, 2014 faulty injector or try another ep91 ecu to verify if the stock ecu is in good condition Quote Link to post Share on other sites
Ollieh17 Posted September 26, 2014 Author Share Posted September 26, 2014 need to try find another ecu to try. Wouldn't a faulty injector cause it to be rich all the time? Under a bit of load the afr starts to lean out then off the throttle goes rich again Quote Link to post Share on other sites
ramses Posted September 27, 2014 Share Posted September 27, 2014 In my old mazda (30 year's old), i have had the same problem,the injectors were leaking ...do not avoid this option Quote Link to post Share on other sites
Ollieh17 Posted October 2, 2014 Author Share Posted October 2, 2014 Tried another lambda and its made a difference. Crusiing it holds 15 now. But when revved up to like 3k it goes real lean stutters then drops and pulls fine. Quote Link to post Share on other sites
Ollieh17 Posted October 3, 2014 Author Share Posted October 3, 2014 Sounds like its misfiring when lean? Quote Link to post Share on other sites
Ollieh17 Posted October 5, 2014 Author Share Posted October 5, 2014 Bump Quote Link to post Share on other sites
Stu Posted October 6, 2014 Share Posted October 6, 2014 So just to confirm, your on stock ecu only, have set tps and timing to stock? Stock fpr and injectors? Tried a reset of the ecu and checked for diag codes? Quote Link to post Share on other sites
Ollieh17 Posted October 6, 2014 Author Share Posted October 6, 2014 Yup all stock as above. Havent checked codes yet Quote Link to post Share on other sites
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