might as well try known good coolant temp sensor (2 wire for ecu) off a 92 sentra sr20de. check your tps voltage with the throttle body closed 0-1 volt and wide open should be 4-5 volt. also verify correct base timing per fsm, it is 15 degrees advanced ( 15btdc)
gl
Dave
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 RB25 280z GT30/76R 441hp/381tq 11.9@125
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