April 24, 200916 yr well I have been searching for info on high oil psi and cant find what I am looking for I just put a new oil psi sending unit in the old one was showing 0 psi I grounded the wire the gauge pegged so I put the new sending unit in now it is red lined at idol and stays there my Haynes manual has nothing on how to troubleshoot this is this the oil psi switch or valve how do you troubeshoot too much oil psi thanks for the help
April 24, 200916 yr yep, what car, mileage, what motor, any modifications or recent issues/work? sounds like you may have the wrong replacement switch, it's calibrated improperly or the gauge is bad. i doubt you actually *have* high psi.
April 24, 200916 yr Author oh ya that would help 1985 brat gl ea81 stock 188204.9 od 4 speed dr Edited April 24, 200916 yr by gray wrx more info
April 24, 200916 yr Sounds like you might have an oil light switch (on/off). As grossgary said you might have the wrong unit. You need to have a sender for the gauge not the switch for the light.
April 24, 200916 yr Author yes the one I got from the parts place they said was for a gauge not the light do they look the same it looked like the one that came out
April 24, 200916 yr It's either a bad sending unit or bad gauge in the cluster. There's specs in the FSM for what resistance values you should apply to verify operation of the gauge. GD
April 25, 200916 yr Author can some one help me out with that info all I have is the haynes manual thanks
April 25, 200916 yr http://mshoup.us/docs/fsm/EA81/83/ It's an '83 FSM, but the info in it will cover yours.
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