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Jeep Wrangler YJ
YJ General Discussion
Cold start problem on 92 2.5
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<blockquote data-quote="deadpool1" data-source="post: 440377" data-attributes="member: 21229"><p>also if super cold the ECU must use lots of extra fuel. and can even flood the engine easy, </p><p>the cure is wot cranking WOT wide open throttle, the ECU cuts fuel fully, and clears the flood.</p><p>and if IAC dead, it will want to flood so there is cure 2 for IAC failures. 5% cure, and the 100% wot cure( or how how to hide the failure)</p><p>when any car will not start try those. 2 ways, </p><p>The fuel when very cold will not vaporize well. (it just makes puddle of fuel in the intake runners.(and beyond)</p><p>The block heater works in many ways , all good.</p><p>The TBI engine is even worse and is why EPA banned TBI, (1 injector TB) good you have 4, MPI.</p></blockquote><p></p>
[QUOTE="deadpool1, post: 440377, member: 21229"] also if super cold the ECU must use lots of extra fuel. and can even flood the engine easy, the cure is wot cranking WOT wide open throttle, the ECU cuts fuel fully, and clears the flood. and if IAC dead, it will want to flood so there is cure 2 for IAC failures. 5% cure, and the 100% wot cure( or how how to hide the failure) when any car will not start try those. 2 ways, The fuel when very cold will not vaporize well. (it just makes puddle of fuel in the intake runners.(and beyond) The block heater works in many ways , all good. The TBI engine is even worse and is why EPA banned TBI, (1 injector TB) good you have 4, MPI. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Cold start problem on 92 2.5
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