How to fix PO521 Error Code?

Asked by Curtis Apr 29, 2021 at 02:09 PM about the 2011 Chevrolet Silverado 1500 LT Crew Cab 4WD

Question type: Maintenance & Repair

If Ip replaced oil pressure sensor, screen and oil
pump why do i still have a PO521 Error Code?

1 Answer

RusseyG answered 3 years ago

Having the same issue in a 2013 Silverado 1500 5.3l after replacing oil pump, sending unit, and screen. Let me know if you find a fix.

Mark helpful

Your Answer:

Related Questions

  • How to fix PO521 Error Code? 1 Answer

    If Ip replaced oil pressure sensor, screen and oil pump why do i still have a PO521 Error Code?

    2011 Chevrolet Silverado 1500 LT Crew Cab 4WD

    -

    Maintenance & Repair

  • How to fix linkage after bending it? 1 Answer

    Searched For: I Have A 2000 Chevy Silverado 5.3l 4×4 And Bent My Transmission Linkage Bracket In Order To Get New Gasket And Filter Into My Transmission. Now It Wont Stay In Park.How Can I Adjust...

    2000 Chevrolet Silverado 1500 LS Extended Cab LB 4WD

    -

    Maintenance & Repair

  • How is P0106 code connected to the stability control on a 2010 silverado 3 Answers

    My 2010 Silverado was shifting hard at lower RPM. Did research and decided to replace MAS Air Flow sensor. Now when I have the stability control engaged the code will come up, however when I turn of...

    2010 Chevrolet Silverado 1500 LT LB RWD

    -

    Maintenance & Repair

  • How to fix oil pressure error? 1 Answer

    I am getting oil pressure errors, including the pinging alarm. I read forums, and replaced the sensor. This did not fix the error. Discovered that there is an in-line filter before the sensor, wh...

    2007 Chevrolet Avalanche LTZ 4WD

    -

    Maintenance & Repair

  • Metering oil pump error code 1 Answer

    The last few days I've had a problem with my truck cranking sometimes when you turn it over it wont do anything no lights no sounds nothing for two seconds and then it will turn over crank and run ...

    2007 Chevrolet Silverado 1500 1LT Crew Cab 4WD

    -

    Maintenance & Repair

Shortcuts

Search Chevrolet Silverado 1500 Questions

CarGurus Experts

  • #1
    Rowefast
    Reputation
    10,410
  • #2
    John Carson
    Reputation
    9,600
  • #3
    Andrew Olsen
    Reputation
    9,530
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used GMC Sierra 1500
159 Great Deals out of 8,188 listings starting at $5,500
Used Ford F-150
274 Great Deals out of 14,053 listings starting at $3,888
Used Chevrolet Silverado 2500HD
33 Great Deals out of 1,553 listings starting at $5,990
Used RAM 1500
504 Great Deals out of 19,227 listings starting at $5,000
Used Toyota Tundra
34 Great Deals out of 961 listings starting at $9,898
Used Dodge RAM 1500
3 Great Deals out of 88 listings starting at $5,000
Used Toyota Tacoma
36 Great Deals out of 880 listings starting at $9,975
Used Chevrolet Tahoe
12 Great Deals out of 785 listings starting at $6,730
Used Chevrolet Colorado
30 Great Deals out of 1,135 listings starting at $4,951
Used GMC Sierra 2500HD
31 Great Deals out of 2,171 listings starting at $5,500
Used Chevrolet Camaro
14 Great Deals out of 481 listings starting at $11,999
Used Ford F-250 Super Duty
21 Great Deals out of 876 listings starting at $9,995
Used Dodge Charger
46 Great Deals out of 827 listings starting at $6,999
Used RAM 2500
46 Great Deals out of 2,760 listings starting at $15,676
Used Ford Mustang
39 Great Deals out of 1,631 listings starting at $5,999

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.