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Frontier Nissan Frontier/HB/Truck Discussion Forum

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  #16  
Old 10-16-2018, 09:46 AM
Lady Lady is offline
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2003 Xterra
 
Join Date: Oct 2018
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Default 03 xterra

My truck was loosing it felt like i was a wet bag of cement. Really bad gas mileage, i figured any where between 8 to 10 miles a gallon. I thought the engine was blown , im no mechanic by far. I took it to advacne auto they did a code read the first time it gave me the code for the knock sensor . Did research on what that was and its puporse . Im now going to attempt a relocation. Im just. Not sure which harness forsure.. so is it the blue or red wire cover i cut into.
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  #17  
Old 10-19-2018, 11:00 PM
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smj999smj smj999smj is offline
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2006 Pathfinder
2003 Frontier King Cab
2003 Frontier KC SVE 4x4
 
Join Date: Jun 2012
Location: Prospect, VA
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There's a thread on the relocation procedure at ClubFrontier.org. The knock sensor shouldn't cause a lack of power nor poor fuel mileage UNLESS you have the VG33ER supercharged engine, which the ECM will cut the boost if it gets a knock sensor signal. If you have the N/A engine, than the knock sensor could be bad...OR, the code is just a result of the problem which is causing the drivability concern (meaning the knock sensor is fine).
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