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Jeep Wrangler YJ
YJ General Discussion
Non starting after new thermostat and heater core flush
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<blockquote data-quote="jpjeep26uk" data-source="post: 441163" data-attributes="member: 20690"><p>Hi Dorf</p><p>I pulled and checked the CPS/ CKDS and holy moly, the sensor is only 5 months old and is in pretty good condition, but the hole it goes into was filthy.</p><p>Took the sensor off and cleaned it up a little, didn't really need it. Then took the rubber surround / door off the crank case and wow, clogged with grease, dirt, what ever. </p><p>There is a thin plastic film with a split in it, I guess to stop crap entering the case, so I replaced that, scrubbed the plastic ' door' and refit the whole lot. Still didn't spark but at least I know its clean!!! </p><p>I'm testing all fusible links tomorrow morning and the diag blocks for current / breaks/ shorts.</p><p></p><p>Thanks for the amazing advice and directions so far man, really useful.</p></blockquote><p></p>
[QUOTE="jpjeep26uk, post: 441163, member: 20690"] Hi Dorf I pulled and checked the CPS/ CKDS and holy moly, the sensor is only 5 months old and is in pretty good condition, but the hole it goes into was filthy. Took the sensor off and cleaned it up a little, didn't really need it. Then took the rubber surround / door off the crank case and wow, clogged with grease, dirt, what ever. There is a thin plastic film with a split in it, I guess to stop crap entering the case, so I replaced that, scrubbed the plastic ' door' and refit the whole lot. Still didn't spark but at least I know its clean!!! I'm testing all fusible links tomorrow morning and the diag blocks for current / breaks/ shorts. Thanks for the amazing advice and directions so far man, really useful. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Non starting after new thermostat and heater core flush
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