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Jeep Wrangler YJ
YJ General Discussion
Knock Sensor
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<blockquote data-quote="deadpool1" data-source="post: 439606" data-attributes="member: 21229"><p>ever hear of rock auto. and see the blue pages, (means top quality) ouch NONE listed, SMP ecat, NONE listed.</p><p>the jeep dealer has none, I'm sure they told you that,</p><p>most dealers of all cars this old tell you that.(blush)</p><p>it is 30years old now. I see they are mostly GONE now. 4.0L: yes sold $$$$, 4.2L: no.</p><p>I tell you the oem part number out of the 30 year old parts book is that will help, so here it is. 4.2L only , 4.0 liter is not the same part.</p><p>other forums/ have no simple solution:</p><p></p><p>its 4.2L I-6, and has carb a right?, (a key factor) and yes has CARB computer (a horror) and 1 O2 sensors and 1 knock sensor yes.</p><p>unless your cars carb was (nutter bypassed alread) see and of page how.</p><p></p><p>so run with out it, it only prevents PING. (it is really a <strong>microphone</strong> that lets the carb-puter hears ping before you do and retards spark to end it.(safely)</p><p>(ping/knock/detonation) is never good, so...</p><p>or goes richer to end it, IDK at all how it does that. and do not care about carbs now.</p><p>the carb has a mixture control stepper motor on the side of the carb, called C2BBD. for mixture control needles.</p><p></p><p></p><p>[ATTACH=full]121868[/ATTACH]</p><p></p><p>also google 4.2Lor see it here <a href="https://tinyurl.com/2bf2y9zn" target="_blank">nutter bypass ,knock./</a></p><p></p><p>i call it the<a href="https://tinyurl.com/2bf2y9zn" target="_blank"> wackynoodle</a> bypass. ( or go any old carb , tuned by you to this engine) 2 steps to bypass C2BBD, is crazy. (using fixed needle tricks)</p><p></p><p>how about he <a href="https://tinyurl.com/47dzm4st" target="_blank">motorcraft 2100 carb</a>.??? (no puters) he got the carb off of a 77 cj 5 with a 304.</p></blockquote><p></p>
[QUOTE="deadpool1, post: 439606, member: 21229"] ever hear of rock auto. and see the blue pages, (means top quality) ouch NONE listed, SMP ecat, NONE listed. the jeep dealer has none, I'm sure they told you that, most dealers of all cars this old tell you that.(blush) it is 30years old now. I see they are mostly GONE now. 4.0L: yes sold $$$$, 4.2L: no. I tell you the oem part number out of the 30 year old parts book is that will help, so here it is. 4.2L only , 4.0 liter is not the same part. other forums/ have no simple solution: its 4.2L I-6, and has carb a right?, (a key factor) and yes has CARB computer (a horror) and 1 O2 sensors and 1 knock sensor yes. unless your cars carb was (nutter bypassed alread) see and of page how. so run with out it, it only prevents PING. (it is really a [B]microphone[/B] that lets the carb-puter hears ping before you do and retards spark to end it.(safely) (ping/knock/detonation) is never good, so... or goes richer to end it, IDK at all how it does that. and do not care about carbs now. the carb has a mixture control stepper motor on the side of the carb, called C2BBD. for mixture control needles. [ATTACH type="full" alt="knock.JPG"]121868[/ATTACH] also google 4.2Lor see it here [URL='https://tinyurl.com/2bf2y9zn']nutter bypass ,knock./[/URL] i call it the[URL='https://tinyurl.com/2bf2y9zn'] wackynoodle[/URL] bypass. ( or go any old carb , tuned by you to this engine) 2 steps to bypass C2BBD, is crazy. (using fixed needle tricks) how about he [URL='https://tinyurl.com/47dzm4st']motorcraft 2100 carb[/URL].??? (no puters) he got the carb off of a 77 cj 5 with a 304. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Knock Sensor
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