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I just installed my dsp5 switch and had issues with a check engine light due to (P0183) fuel temp sensor circuit a high) and wanted to know what it could be because a doubt that the switch would just cause that normally, I used both fuel temp pins in the 3rd ecm harness closest to the firewall. Pins 27 and 46. It was taken to a dealership and the pins were put back to stock and it's fixed but id like to know how to install it correctly so I can actually use the switch. I appreciate any help.
 
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