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Showing results for tags 'oil pressure sensor issues ..'.
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Oil pressure went to 120 max setting and then under throttle goes to 0 almost instantly. Cut off engine and oil was full and had no leaks. Started it back and no noise from lifters or engine knocks. Oil pressure now stays at 0.
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Hello everyone, i'm asking for advice & help you guys. I know it's not a good way to start with asking help, I'm sorry bout this. Let me shortly introduce myself - my name is Alex, I live in Russian Federation, Moscow and I drive 2006 Chevy Tahoe (gmt 800) with 5.3 Vortec engine (simple gas, no flex fuel). I am facing a problem with my oil pressure gauge - while driving or at idle oil pressure gauge jumping from 0 to max value. It may stuck at 0 for long time (hour or so) or can stuck at max value also. When I switch ignition on gauge does NOT jump to max, everything seems to be ok for at engine start but soon gauge become messy. As a pressure falls to 0 I have an alarm warning with horn and alarm in message centre. When this happenes, gauge jumps to max and when falls down again sometimes. I'd like to mention that there are not any strange sounds with engine (no knocking or something) when pressure falls down. Since I did not find a particular my problem at different forums, I decided to ask you guys. Also it's a bit difficult to maintain and service such vehicle here in Russia, so I would really appreciate for any advice of community. I recorded some videos with mess going on with my vehicle and uploaded them to YouTube so I can share them with you. https://www.youtube.com/watch?v=RbPpOAKi2D8 https://www.youtube.com/watch?v=Lbm4Gn3YYzI I found in rockauto store this new acdelco oil pressure sensor ACDELCO 12677836 - is this correct partnumber for me? Any advice and help truly appreciatable. P.S.: thats my second GM truck, the previous one was Tahoe 1996 5 doors 5.7 Vortec engine
