Recent content by 99Sierra2500

  1. 99Sierra2500

    Rebuilding 4l60e

    Welcome! All that sounds good to make the 4L60E stronger. Nick on youtube I think is pretty knowledgeable. https://www.youtube.com/@nickstransmissions
  2. 99Sierra2500

    EVAP P0446

    P0446 SYSTEM DESCRIPTION This DTC tests the evaporative emission (EVAP) system for a restricted or blocked EVAP vent path. The control module commands the EVAP canister purge solenoid Open and the EVAP canister vent solenoid Closed. This allows vacuum to be applied to the EVAP system. Once...
  3. 99Sierra2500

    Reduced Engine Power

    I'm just taking it from the book, if it doesn't help, come back, and we can try something else.
  4. 99Sierra2500

    Reduced Engine Power

    I would check that first, it could be, it is basically carefully checking everything to trace the problem before you order any parts.
  5. 99Sierra2500

    Reduced Engine Power

    Steps 10-18: The numbers below refer to the step numbers on the diagnostic table. 7. If the TP indicated angle does not follow the movement of the throttle blade and no TP sensor DTCs are set, there is a mechanical condition with the throttle shaft or the TP sensor. 18. Locating...
  6. 99Sierra2500

    Reduced Engine Power

    Powertrain Controls Diagnosis DTC P1516 CIRCUIT DESCRIPTION The predicted throttle position (TP) is compared to the actual throttle position. The two values should be within a calibrated range of each other. Both the powertrain control module (PCM) and the throttle actuator control (TAC)...
  7. 99Sierra2500

    Reduced Engine Power

    It's your pedal or a connection at your throttle body: Important Information Subject: SES Light And Reduced Engine Power DTC P0120 P0220 P1516 P2135 - keywords accelerator actuator APP blade body connector connection DTC L33 L59 LH6 LR4 LM7 LS1 LS2 LQ4 LQ9 module position reduce sensor...
  8. 99Sierra2500

    Reduced Engine Power

    Are you able to pull any codes at all?
  9. 99Sierra2500

    Reduced Engine Power

    I mean first. Welcome to the site though.
  10. 99Sierra2500

    Reduced Engine Power

    I would look at the diagnostic section of the shop manual here: https://lemon-manuals.la/Chevrolet/2004/
  11. 99Sierra2500

    P1441 EVAP code

    I would start here: https://charm.li/Chevrolet/2001/C%201500%20Suburban%202WD%20V8-5.3L%20VIN%20T/Repair%20and%20Diagnosis/
  12. 99Sierra2500

    Harry Dawg's 2002 'Burb-a-Haul

    Looks awesome, thanks.
  13. 99Sierra2500

    2002 Silverado Sportside

    Beautiful truck! Welcome from Indiana.
  14. 99Sierra2500

    Loose steering

    Yeah, that is a bummer.
  15. 99Sierra2500

    Loose steering

    The shop manuals at charm.li have everything.
See more

Random media

IMG 1236
1995 Chevy Tahoe not Blazer on 26's, with Sunroof, 5.7 liter, 40 series Flowmasters....
Dealer picture 3 years ago
IMAG1273 1
23.jpg
IMG 20140503 172926 043
IMG 3221
well looks like work to me

Latest posts

Members online

No members online now.
Total: 47 (members: 0, guests: 47)
Top