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It sounds like the sending unit is indeed faulty. However I've found that when the oil is thin i.e when its really hot mine would have a tendency to flicker too. This was on S2s with an idle set for around 1000RPM. Bumping the idle may have helped the case but I didn't really care.
At some point in the past I did replace mine as I thought it may have been the culprit for an elusive oil leak(it wasnt). But on the VIII its located in the back of the block. I believe I got to it from above with a socket.
I'm on S2's with the idle at 1k also..Hopefully changing the switch a getting off the breakin oil will resolve the issue...
You never know. Maybe try switching oil first and see what happens as thicker oil will increase oil pressure. It sounds like you know where the switch is but I had this pic so figured I'd throw it up so you see exactly where its sitting
You never know. Maybe try switching oil first and see what happens as thicker oil will increase oil pressure. It sounds like you know where the switch is but I had this pic so figured I'd throw it up so you see exactly where its sitting
This pic helped more than you know!!!! Thanks!
I got a new spare OPS so I might just knock it out.
Teflon tap melts in petroleum, use automotive thread sealer. Also, Teflon tape isn't actually a sealant, it's a lubricant. It ends up sealing because it take up space, but that's not actually what it is.
My oil pressure unit had the same symptoms on my vehicle. Would sometimes flicker when at idle. I swapped it out with one from autozone and its been working fine for the past couple of years.
I've been using teflon tape on cars since teflon tape was invented and never had a problem. The only concern I am aware of is using excessive tape or wrapping past the threads so that tape gets cut off and moves in the oiling system. As for whether the product is a thread sealant, the maker thinks it is and labels it that way on the packaging.
I once worked in a valve plant and my job was to pressure test valve bodies. Some of those valves went up to 36 inch pipe size. To seal them for testing I used teflon tape on pipe fittings and pressurized them, sometimes up to 9000 psi. The threads didn't leak.
Since it's Teflon tape and Teflon is a lubricant, I'd imagine the tape HELPS seal by allowing you to get the fittings tighter ,without binding. I'm no engineer ,that's just how I always pictured it in my head.
There's a guy who has an automotive youtube channel and it was on his channel that I first heard it explained this way. If there is such a thing as a teflon tape expert it would have to be me - I used it by the mile in that old college job. I won't deny its a lubricant but I saw pipes and plugs that weren't tightened properly and they still sealed.
BTW, imagine what a 36 inch ball valve looks like. The hole in the ball is 36 inches so the ball is much larger than that. Then the ball is encased in the valve body with an actuator flange on top and flanges on the ends to bolt into the pipeline. The thing was like a small house. I pressure tested those.
so you can use PTFE tape. According to this anyway.
"Thread seal tape lubricates allowing for a deeper seating of the threads, and it helps prevent the threads from seizing when being unscrewed."
"The tape also works as a deformable filler and thread lubricant, helping to seal the joint without hardening or making it more difficult to tighten, and instead making it easier to tighten."
" Pink: used on NPT threads 1/2 inch to 2 inch, safe for propane and other hydrocarbon fuels"
This last one is kind of confusing though. The "pink" type is the only one that says that it is safe for hydrocarbons but then it says for threads of 1/2 - 2 inch so not really sure what to make of that. The super common white type just says this
