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4.3 V6 Extremely high oil Pressure?

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  • 4.3 V6 Extremely high oil Pressure?

    I've searched the forums for an answer...and the two answers that come up are:

    1) Bad stepper motor-must pull cluster
    2) Faulty oil pressure sending unit

    The questions that I have are...if it's the sending unit...where is it located (I found enough posts about the V8 location)...what about the V6 location?

    My gauge reads WAY past 80...if the gauge was a clock...it fluctuates between the 3 o clock position and 5 oclock.

    Occasionally it will read NORMAL...for a second or two...

    Could this be a loose wire running to the sending unit, too?

    Any help is greatly appreciated!!!
    It actually gets better mileage than my mom's stock 2006 F-150 super crew...

  • #2
    Re: 4.3 V6 Extremely high oil Pressure?

    Does the gauge in the cluster drop to 0 when you engine is off or does it seem like it gets stuck?
    2005 Silverado 5.3l lm7 maroon, Airaid system, Hypertech programer, and 3.73 gears! Is destined to be great!

    Comment


    • #3
      Re: 4.3 V6 Extremely high oil Pressure?

      When the engine is shut off...the needle goes to near the middle mark of the gauge...it doesn't go to zero.

      while the engine is running...the gauge fluctuates with the engine RPM...it's just reading from about 70 to way off the gauge to the right...

      BTW...about two years ago...the chevy dealer had to replace the whole cluster...when the whole thing went dead...right out of warranty. The dealer actually covered it under warranty!

      Any thoughts?
      Last edited by xplantdad; 07-11-2007, 12:18 AM.
      It actually gets better mileage than my mom's stock 2006 F-150 super crew...

      Comment


      • #4
        Re: 4.3 V6 Extremely high oil Pressure?

        Maybe you just have really high oil psi.

        Sounds better than having too low oil psi.
        2001 Chevy Silverado 1500, Fabtech 4" spindles on Eagle alloy 063s on 33" bfg all terrains, Limo Tint



        http://www.cardomain.com/ride/3067770

        Comment


        • #5
          Re: 4.3 V6 Extremely high oil Pressure?

          You have a bad cluster! not sending unit.

          yesterday we had to replace 5 cluster. there just a really poor design.
          2005 Silverado 5.3l lm7 maroon, Airaid system, Hypertech programer, and 3.73 gears! Is destined to be great!

          Comment


          • #6
            Re: 4.3 V6 Extremely high oil Pressure?

            Yeah, that sounds like a gauge. My truck runs a little higher than half way on the gauge, over 30 psi. You'd think if it was really that high then you would have a problem and feel it or know it. The gauge should go to zero like the others when you kill the ignition.

            91 RCSB C1500 4.3 4L60 Cash for Clunkered 8/3/09
            09 Ford Mustang Bullitt #5998 Brenspeed Tune, LCAs. 13.35 @104.3
            94 Ford Mustang SVT Cobra ModdedSOLD 9/4/08

            Comment


            • #7
              Re: 4.3 V6 Extremely high oil Pressure?

              Engine off key on...... does it go to zero?
              -1999 GMC SEIRRA 3500 4x4 SRW
              - Vortec 454 / Mustang 5.0L Bosch 19LB fuel injectors,yellow top
              - G80
              - FF/4:10's
              - 4L80E / Valvoline Dexron-VI ATF / Magnefine ILF
              - Regular Cab long box
              - Western Unimount electro touch 7'6" snow plow
              - 98,000 miles all stock
              - Mobil 1 0w30

              Comment


              • #8
                Re: 4.3 V6 Extremely high oil Pressure?

                Originally posted by daman1
                Engine off key on...... does it go to zero?

                Nope....it seems that the zero point is the mid point on the gauge...

                It actually gets better mileage than my mom's stock 2006 F-150 super crew...

                Comment


                • #9
                  Re: 4.3 V6 Extremely high oil Pressure?

                  It should go to zero with EOKO.
                  -1999 GMC SEIRRA 3500 4x4 SRW
                  - Vortec 454 / Mustang 5.0L Bosch 19LB fuel injectors,yellow top
                  - G80
                  - FF/4:10's
                  - 4L80E / Valvoline Dexron-VI ATF / Magnefine ILF
                  - Regular Cab long box
                  - Western Unimount electro touch 7'6" snow plow
                  - 98,000 miles all stock
                  - Mobil 1 0w30

                  Comment


                  • #10
                    Re: 4.3 V6 Extremely high oil Pressure?

                    Its a cluster. it jumped out of range.
                    2005 Silverado 5.3l lm7 maroon, Airaid system, Hypertech programer, and 3.73 gears! Is destined to be great!

                    Comment


                    • #11
                      Re: 4.3 V6 Extremely high oil Pressure?

                      my cluster goes on the white needle before 40 psi. Never hits 0 when the keys out.
                      2001 Chevy Silverado 1500, Fabtech 4" spindles on Eagle alloy 063s on 33" bfg all terrains, Limo Tint



                      http://www.cardomain.com/ride/3067770

                      Comment


                      • #12
                        Re: 4.3 V6 Extremely high oil Pressure?

                        Thanks guys...I really appreciate the help...
                        It actually gets better mileage than my mom's stock 2006 F-150 super crew...

                        Comment


                        • #13
                          Re: 4.3 V6 Extremely high oil Pressure?

                          Traded it in on a new 2007 Silverado...I like the V8 much better...along with the better mleage!
                          It actually gets better mileage than my mom's stock 2006 F-150 super crew...

                          Comment


                          • #14
                            Re: 4.3 V6 Extremely high oil Pressure?

                            Originally posted by xplantdad
                            Traded it in on a new 2007 Silverado...I like the V8 much better...along with the better mleage!
                            That one way to fix a problem. LOL!!!
                            -1999 GMC SEIRRA 3500 4x4 SRW
                            - Vortec 454 / Mustang 5.0L Bosch 19LB fuel injectors,yellow top
                            - G80
                            - FF/4:10's
                            - 4L80E / Valvoline Dexron-VI ATF / Magnefine ILF
                            - Regular Cab long box
                            - Western Unimount electro touch 7'6" snow plow
                            - 98,000 miles all stock
                            - Mobil 1 0w30

                            Comment


                            • #15
                              Re: 4.3 V6 Extremely high oil Pressure?

                              Yep...other things were starting to go wrong, too. I'd rather put my time, money and effort into my 66 Chevelle...
                              Last edited by xplantdad; 07-16-2007, 07:52 PM.
                              It actually gets better mileage than my mom's stock 2006 F-150 super crew...

                              Comment

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