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Jeep Wrangler YJ
YJ General Discussion
Temperature sending unit 93 4.0
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<blockquote data-quote="machoheadgames" data-source="post: 438769" data-attributes="member: 18789"><p>From the factory, the back of the engine houses the 1-wire temperature sending unit that operates the temp gauge. </p><p></p><p>The motor is fuel injected and needs a temp reading. The computer that runs the fuel injection gets that reading from a 2-wire sensor on the thermostat housing. </p><p></p><p>The one you replaced in the heater hose is not factory, so no telling what all is tied to it.</p></blockquote><p></p>
[QUOTE="machoheadgames, post: 438769, member: 18789"] From the factory, the back of the engine houses the 1-wire temperature sending unit that operates the temp gauge. The motor is fuel injected and needs a temp reading. The computer that runs the fuel injection gets that reading from a 2-wire sensor on the thermostat housing. The one you replaced in the heater hose is not factory, so no telling what all is tied to it. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Temperature sending unit 93 4.0
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