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In this video I show you one way to repair a 2007 Chevy Truck with no oil pressure being displayed on the gauge and a P0523.
NOTICE:
Some how during the recording of this I lost some footage 🙁 I mention that I change the sending unit / sensor and "the screen" Well the part of the video I am missing explains the "screen" This is a cylinder deactivation engine and below the oil pressure switch is a screen. Really simple to change. Just reach in with a 45 degree pick and slide it out once the switch is removed. Sorry 🙁

50 thoughts on “Chevy truck no oil pressure – p0523”
  1. Avataaar/Circle Created with python_avatars MOBILEMECHANICMITCH says:

    Sooo. Was it a partiality collapsed lifter or should I try this I’m having the same issue. Usually when unplug a sensor it should not change operations? If it’s bad correct?? I’m asking because I’m having the exact same issue with a tic. 5.3 liter Tahoe 2008 and I have no oil pressure but it’s I believe just dirty fluid. Ima run some liquid Molly through. 98% partially collapsed lifter?? Thoughts?? Also. ABS I fixed. Rusted out ground plates Underneath the frame. Undercarriage…

  2. Avataaar/Circle Created with python_avatars F. De Mascio says:

    That's nice fender.
    The owner of this truck…
    SMH

  3. Avataaar/Circle Created with python_avatars Robert Clubs says:

    Great show

  4. Avataaar/Circle Created with python_avatars eastside0434 says:

    I have no oil pressure in an 06 2500hd 6.0 225k miles,hearing a lifter ticking,does this rule out sensor and more likely an O ring or oil pump,hopefully not a spun cam bearing.

  5. Avataaar/Circle Created with python_avatars 1320Jay says:

    👍🏼👍🏼

  6. Avataaar/Circle Created with python_avatars Daddyoh says:

    How do you like the underhood creeper?

  7. Avataaar/Circle Created with python_avatars springfield45 says:

    WooHoo! an unviewed video!

  8. Avataaar/Circle Created with python_avatars flexjay87 says:

    Had me LOL on " This is a real Gem" 🙂

  9. Avataaar/Circle Created with python_avatars ryan wilson says:

    Thanks for the video. This fixed my truck today. It's no fun to get to.

  10. Avataaar/Circle Created with python_avatars 6N5 says:

    What if you replace the sensor and you still have the P0523 code? Broken "New" sensor?

  11. Avataaar/Circle Created with python_avatars Antonio Claudio Michael says:

    No oil peices because of a shorted Oil Pressure sensor Pretty Simple Diag Nice work Eric O surprised he was concerted about no oil pressure and they had a 30 minute drive there 🤔😬😳 @SouthMainAutoRepairLLC

  12. Avataaar/Circle Created with python_avatars Franks Garage says:

    Thanks👍

  13. Avataaar/Circle Created with python_avatars 16B9 says:

    It's always fun to watch your videos and listen to your commentary. Thank you for making my day. 🙂

  14. Avataaar/Circle Created with python_avatars pauliebots says:

    Try it in a van.!

  15. Avataaar/Circle Created with python_avatars John E. Carr says:

    👍✌✔

  16. Avataaar/Circle Created with python_avatars Mytwistedvoices says:

    I have that ratchet in a few sizes. Fits in tight places!

  17. Avataaar/Circle Created with python_avatars Dean Sapp says:

    Decades ago, I was the go to man for driveablity and other concerns on Chevy vehicles at the dealer. I was the Only NON ASE certified tech there.

  18. Avataaar/Circle Created with python_avatars Dean Sapp says:

    To me, 128 psi oil pressure is normal on a LS motor NOT running, Yes they are that Badass

  19. Avataaar/Circle Created with python_avatars Gustavo Gutierrez says:

    All you need is a long extension with a 27 mm socket and it’s way easier, just straight up

  20. Avataaar/Circle Created with python_avatars william bell says:

    I figured you had one on this. I changed my sensor about 6 months ago on 2006 2500hd w/ 6.0 and now it is doing this again. I figure I might have landed a knockoff one last time as it was acdelco and all but too cheap on ebay. Time for oem from dealer I guess. Thanks Eric.

  21. Avataaar/Circle Created with python_avatars Mike Robbins says:

    I’ll gladly pay my mechanic to change that thing if the need arises

  22. Avataaar/Circle Created with python_avatars Rodney Killian says:

    I have a 2007 Avalanche LTZ , I just rebuilt the motor new rings , pistons , cam bearings , etc did the break in process . Now the oil pressure gauge has dropped to zero. Replaced oil pressure sensor , still on zero . What should I check next ?

  23. Avataaar/Circle Created with python_avatars Corey Harting says:

    What scan tool r u using? Thanks!! 👊🏻 Great video 💪🏻💪🏻

  24. Avataaar/Circle Created with python_avatars Scott Threlkeld says:

    Same problem on 03 sliverado , used a big piece of foam rubber laid it on engine and used a mirror. i love these trucks ,if we use them we got to work on them!!!

  25. Avataaar/Circle Created with python_avatars Al Montgomery says:

    As a mechanic you shouldn't be touching anybody's personal stuff in their vehicle

  26. Avataaar/Circle Created with python_avatars Marvin Mendoza says:

    YOU THE MAN! YOU MAKE IT LOOK SO EASY

  27. Avataaar/Circle Created with python_avatars jakespeed63 says:

    Thanks for sharing but I’m confused
    Same code, swapped in new sensor not the screen
    Scan tool reads good oil pressure and I can sweep all the gauges using functional test

  28. Avataaar/Circle Created with python_avatars loen morado says:

    Good video but don’t work in my truck I change the sensor but still off you know what is the problem thanks

  29. Avataaar/Circle Created with python_avatars Joey Rats says:

    Did this, error won’t go away

  30. Avataaar/Circle Created with python_avatars Tim Erickson says:

    underhood creepers are so nice. especially for a bad lower back

  31. Avataaar/Circle Created with python_avatars DRAGON WELDER says:

    I CHANGED MY OIL PESSURE SENSOR 3 TIMES AND I STILL GET THE CHECK ENGINE LIGHT COME BACK ON.WHAT GIVES? PLEASE HELP (2012 GMC SIERRA 1500 SLE) 189,000 MILES. DOES MINE REQUIRE A FILTER UNDER THE SENSOR? MY MECHANIC SAYS IT DOES'NT..

  32. Avataaar/Circle Created with python_avatars Paul Stafford says:

    I had to do one of these in my GMC truck…sucked, very hard to get to.

  33. Avataaar/Circle Created with python_avatars James Bailey says:

    My neighbors 2007 1500 5.3 lost oil pressure the other day.
    Truck dipstick showed down a quart.
    I topped off and started, gauge went to 40 at 1800 RPM . I can keep at 1800-2000 and it will stay at 40 ish for about 3 minutes then slowly drop to the warnings coming on then to zero..
    To me this sounds like once oil get warm this sounds more like pump area problem more than a sensor.
    Any thoughts before I dive in??
    Tom

  34. Avataaar/Circle Created with python_avatars KRTube75 says:

    It's next to impossible to get to on the LTZ Suburban. It has an insulated sound proofing cover back there that blocks access. Had to remove the intake to fix mine twice. It's a 2007 with 320,000 miles on it.

  35. Avataaar/Circle Created with python_avatars Schreaders auto repair llc. says:

    Eric have you ever run into the stepper motor issue? Or any other issues with low or erratic oil pressure?

  36. Avataaar/Circle Created with python_avatars Saturday night southern wrestling says:

    Simple motor flush will keep that senser clean.

  37. Avataaar/Circle Created with python_avatars Greg Hamilton says:

    Great job

  38. Avataaar/Circle Created with python_avatars 6BT_ Str86 says:

    I'm sure the ratchet setup costs more than my 76 step side short box c10 dust bucket is worth

  39. Avataaar/Circle Created with python_avatars GlockMan945 says:

    I have this code and my pressure gauge pegged to 80 then 0.
    Can I drive as long as i have oil and the temp stays in the middle of gauge?

  40. Avataaar/Circle Created with python_avatars WouterB76 says:

    Hang in there Eric! 😀

  41. Avataaar/Circle Created with python_avatars Gilbert says:

    Unfortunately I just did the exact same thing didn’t work for me still showing low pressure😞any ideas? Great video