 2.0L head temp sensor access, Sensor removal |
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| SWH |
 Oct 11 2025, 10:15 PM
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#1
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Newbie  Group: Members Posts: 14 Joined: 27-April 24 From: Arizona Member No.: 28,084 Region Association: Southwest Region  |
I have problem with idle fluctuation and want to replace head temp sensor on 2.0L. Can sensor be removed without removing right side intake? Looks like tight fit and wanted others opinion.
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| wonkipop |
Oct 11 2025, 11:15 PM
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#2
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914 Guru Group: Members Posts: 5,121 Joined: 6-May 20 From: north antarctica Member No.: 24,231 Region Association: NineFourteenerVille 
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| Krieger |
Oct 12 2025, 09:20 AM
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#3
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Advanced Member Group: Members Posts: 4,825 Joined: 24-May 04 From: Santa Rosa CA Member No.: 2,104 Region Association: None
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Certainly worth sacrificing a no name deep socket.
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| rjames |
Oct 12 2025, 10:57 AM
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#4
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I'm made of metal Group: Members Posts: 4,387 Joined: 24-July 05 From: Shoreline, WA Member No.: 4,467 Region Association: Pacific Northwest
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A too lean mixture can cause a hunting idle. If you have the adjustment knob on your ECU and haven’t tried adjusting already, try turning it clockwise a click or three.
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| SWH |
Oct 12 2025, 05:17 PM
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#5
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Newbie Group: Members Posts: 14 Joined: 27-April 24 From: Arizona Member No.: 28,084 Region Association: Southwest Region |
Thank you for the answers to my reques. Head temp sensor has been ordered. Should be here by Tuesday. Tried to find the right size socket. Not sure if it’s 17 mm. Can you tell me what size I should be looking at?
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| sdthomas |
Oct 12 2025, 09:56 PM
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#6
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Member Group: Members Posts: 65 Joined: 14-June 11 From: Seattle Member No.: 13,193 Region Association: Pacific Northwest
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13 mm deep socket. Just removed mine today.
This thread might help. QUOTE(SWH @ Oct 12 2025, 03:17 PM)  Thank you for the answers to my reques. Head temp sensor has been ordered. Should be here by Tuesday. Tried to find the right size socket. Not sure if it’s 17 mm. Can you tell me what size I should be looking at? |
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| brant |
Oct 13 2025, 06:19 AM
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#7
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914 Wizard Group: Members Posts: 12,071 Joined: 30-December 02 From: Colorado Member No.: 47 Region Association: Rocky Mountains 
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Another way to make a tool is to grind one corner of a 3 inch cheap extension
Pass the wire through the 13mm socket and through the ground corner of the extension |
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