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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: 440376" data-attributes="member: 21229"><p>all, cars up there love block heaters, heck, some job sites have parking with the AC power JACK right there. for the block heater</p><p>.not fun at 6pm in the dark and will not crank fast, dead cold.... </p><p>there are more causes too. (ice ups of many kinds)</p><p>some cars the intake allows water vapor to get into the MAP sensor hose and clogs it with ice,make the MAP dead.(until it thaws) some cars even have recalls on this. The the PCV is blow by and blow by has moisture. Burning gasoline makes water too. not just smog, CO,NOX and HC)</p><p>make sure the air cleaner is not freezing up.too. or getting wet some how, like we see with non stock air cleaner boxes. </p><p>worse is short runs, the engine never fully dries out ,see? even this matters. (icing issues) </p><p></p><p>when you say it will not start</p><p>that can be ?</p><p>cranks fast not start ( or said slow to start)</p><p>cranks slow and no start. or is slow to start (slow slow) see how the word slow means little. (we cant hear it is why)</p><p>a starter motor can do 300 rpm with a good battery. </p><p>The block heaters in many places are not options. (a high CCA battery is best too) the more north you go the more CCA you need.</p><p>I have friend that lives near the North POLE. (Indian guy) Nunavut, Canada</p><p>it gets so cold there in his jeep the 50% antifreeze freezes. yah! so goes higher AF.% and lots more problems.</p><p>Up in alaska my Nema friend ,they do not turn engines off at all, on tractors and heavy equipment. On some they spray the whole engine with expanding foam.</p><p> There are lots of problems in the cold country. It is a near endless topic, for sure not using block heater when needed.( for lots of reasons not just 1)</p><p>Me I like the loop heaters with pump (in line with the heater core hose, those really work great.. AC heater+tiny pump.</p></blockquote><p></p>
[QUOTE="deadpool1, post: 440376, member: 21229"] all, cars up there love block heaters, heck, some job sites have parking with the AC power JACK right there. for the block heater .not fun at 6pm in the dark and will not crank fast, dead cold.... there are more causes too. (ice ups of many kinds) some cars the intake allows water vapor to get into the MAP sensor hose and clogs it with ice,make the MAP dead.(until it thaws) some cars even have recalls on this. The the PCV is blow by and blow by has moisture. Burning gasoline makes water too. not just smog, CO,NOX and HC) make sure the air cleaner is not freezing up.too. or getting wet some how, like we see with non stock air cleaner boxes. worse is short runs, the engine never fully dries out ,see? even this matters. (icing issues) when you say it will not start that can be ? cranks fast not start ( or said slow to start) cranks slow and no start. or is slow to start (slow slow) see how the word slow means little. (we cant hear it is why) a starter motor can do 300 rpm with a good battery. The block heaters in many places are not options. (a high CCA battery is best too) the more north you go the more CCA you need. I have friend that lives near the North POLE. (Indian guy) Nunavut, Canada it gets so cold there in his jeep the 50% antifreeze freezes. yah! so goes higher AF.% and lots more problems. Up in alaska my Nema friend ,they do not turn engines off at all, on tractors and heavy equipment. On some they spray the whole engine with expanding foam. There are lots of problems in the cold country. It is a near endless topic, for sure not using block heater when needed.( for lots of reasons not just 1) Me I like the loop heaters with pump (in line with the heater core hose, those really work great.. AC heater+tiny pump. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Cold start problem on 92 2.5
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