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Message: <blockquote data-quote="wateka" data-source="post: 133593" data-attributes="member: 21519"><p>In trying to see if my coolant temperature gauge or my coolant temperature sender (or both) were either broken or mismatched by a prior owner, I bought a new temperature sender and tested the resistance at varying temperatures. That table is below. This is sender part # 6658818 </p><p></p><table style='width: 100%'><tr><td>° F</td><td>° C</td><td>Resistance</td></tr><tr><td>70°</td><td>21</td><td>659 Ω</td></tr><tr><td>80°</td><td>27</td><td>539 Ω</td></tr><tr><td>100°</td><td>38</td><td>346 Ω</td></tr><tr><td>120°</td><td>49</td><td>225 Ω</td></tr><tr><td>140°</td><td>60</td><td>151 Ω</td></tr><tr><td>160°</td><td>71</td><td>103 Ω</td></tr><tr><td>170°</td><td>77</td><td>91 Ω</td></tr><tr><td>180°</td><td>82</td><td>78 Ω</td></tr><tr><td>185°</td><td>85</td><td>71 Ω</td></tr><tr><td>190°</td><td>88</td><td>63 Ω</td></tr><tr><td>195°</td><td>91</td><td>57 Ω</td></tr><tr><td>198°</td><td>92</td><td>55 Ω</td></tr><tr><td>212°</td><td>100</td><td>45 Ω</td></tr></table></blockquote><p></p>