January 29, 201411 yr Hello all! i've fitted an electric oil pressure gauge to my W reg impreza uk turbo & it doesn't seem to be working properly! Basically the needle rarely moves from 0, every now again it jumps up to take a reading but then the needle will settle to 0 again! I've been through all the connections & everything seems ok & secure. The gauge I bought is a Tim & came with pressure sender etc. I used an adapter fitted where the original pressure switch sits so that that the original switch can still be fitted. Anybody got any ideas? faulty sender maybe? Craig
January 30, 201411 yr Got any pictures where its plumbed in? For my future reference is all Have you checked the wires are in correct order to gauge?
January 30, 201411 yr Author Got any pictures where its plumbed in? For my future reference is all Have you checked the wires are in correct order to gauge? the wiring is very straight forward with just 4 wires 1 to switched live 1 to light feed 1 to sender 1 to earth i fitted boost gauge at the same time & that works spot on. I think what i'm going to do is remove the wore from the sender & fit it to the original pressure switch to see if anything changes
January 30, 201411 yr Author My guess would be the sender unit like you have said if you have oil init ;) oil is spot on. I serviced it just before i sold it & he's hardly used the car in that short time
January 30, 201411 yr sounds like the sender to me - any chance of testing it on another unit or location?
January 30, 201411 yr Author bit of an update. Checked the wiring & connections again & everything is nice & tight. I moved the sender unit to a bit of a better location. Shut the bonnet, started the car, set off & the gauge burst into life & has stayed working the whole 30mins I was out in the car!
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