+ Reply to Thread
Page 2 of 2 FirstFirst 1 2
Results 11 to 18 of 18

Thread: 5.3 not running so great!!

  1. #11
    Join Date
    Jul 2009
    Location
    South Carolina
    Posts
    34
    really that kinda makes since y it some times bogs out i just got rid of my other injectors to that sucks lol.

  2. #12
    Join Date
    Jul 2009
    Location
    South Carolina
    Posts
    34
    pulled the codes and this what they were

    po335
    po420
    91870
    po430

  3. #13
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    P0335 means a crankshaft sensor relearn/calibration needs to be done. Dealer or anyone with HPTUNERS software can perform that.

    p0420 and p0430 says bad catalyst efficiency. Either they're not hooked up or defective or cats are plugged possibly if not hollowed out.

    91870 ? awful large number there.

    P1870 is transmission component slippage, torque convertor.
    Last edited by RedHeartbeat; 03-30-2010 at 10:40 PM.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  4. #14
    Join Date
    Jul 2009
    Location
    South Carolina
    Posts
    34
    sorry lol its p1870 lol. So what wpould have do be done retuned or just relearned?? Could we put the other crank sensor back in?? And the trans what its saying the torque convreter is bad need to be replaced?? Cause the trans just was rebuild a few months back.

  5. #15
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    need to relearn it. either put the rear sensors back in or get them turned off in the tune. Trans may not be an issue once the other two things are fixed. Fix them first and then see if the trans code still comes up.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  6. #16
    Join Date
    Jul 2009
    Location
    South Carolina
    Posts
    34
    ok thanks we will start there

  7. #17
    Join Date
    Feb 2010
    Location
    Central Texas
    Posts
    300
    I'm sure some local shop can run the relearn for you, I know that our snap-on scanner had this ability.

    BB

  8. #18
    Join Date
    Jul 2009
    Location
    South Carolina
    Posts
    34
    i eraced the codes yesterday the only one that has came back as of today is the p1870 or the trans one. Is there chance that the relearn code was thrown from the last motor that was put in it cause the guy that we got the truck had just put a lkq engine in it and water in it and it froze and cracked the head so thats when we got it and put our 05 5.3 in it. Or does every motor put in it have to be relearned??

+ Reply to Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts