Brian1 Posted August 12, 2010 Share Posted August 12, 2010 1983 280zx turbo, hey i just changed my oil pressure switch because the old one was leaking, I got the new one in there nice and tight, and my oil pressure gauge says i got good pressure throughout rpm range. until I let it idle, the needle drops down to 0psi and the red light comes on. I cleaned the connections up since they were drenched in oil from the previous oil pressure switch, but it didnt help. Does the the switch have to be torqued right? or is there something else could be causing this? Also, the little hole on the end of the sensor is quite a bit smaller than the original sensor, maybe thats the problem? any help is appreciated, thanks. Quote Link to comment Share on other sites More sharing options...
roger.svoboda Posted August 12, 2010 Share Posted August 12, 2010 don't depend on stock gages for a good reading. if worried put in a real gage otherwise probably ok. Quote Link to comment Share on other sites More sharing options...
Brian1 Posted August 12, 2010 Author Share Posted August 12, 2010 so you think the gauge is the problem, and not the sensor just giving to few volts at lower oil pressures for the gauge to get a good reading? because with the old sensor the gauge would still read at idle. thanks for the reply Quote Link to comment Share on other sites More sharing options...
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