http://caralternativefuels.com/questions-and-answers/i-need-advise-on-tuning-my-4-banger-hyundai-to-run-dual-fuel.html Helping You Break The Chains Of High Fuel Costs Sat, 24 Jan 2009 14:45:24 -0400 http://wordpress.org/?v=2.9.2 hourly 1 http://caralternativefuels.com/questions-and-answers/i-need-advise-on-tuning-my-4-banger-hyundai-to-run-dual-fuel.html/comment-page-1#comment-894 bluegti Mon, 11 Aug 2008 00:43:37 +0000 http://caralternativefuels.com/qa/i-need-advise-on-tuning-my-4-banger-hyundai-to-run-dual-fuel.html#comment-894 the o2 sensor does not control it measures oxygen content in exhaust stream which determines your air fuel ratio the ecu tries to maintain a ratio of 14.7 to 1 or close to it as possible . so to answer your question you would need to run a stand alone ecu which can be tuned to your parameters or a similar device that can control fuel mixture . the o2 sensor does not control it measures oxygen content in exhaust stream which determines your air fuel ratio the ecu tries to maintain a ratio of 14.7 to 1 or close to it as possible . so to answer your question you would need to run a stand alone ecu which can be tuned to your parameters or a similar device that can control fuel mixture .

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