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Thread: Engine code trouble

  1. #1

    Engine code trouble

    Engine codes
    I need some help. I have racked my brain for a 5 weeks now trying to figure this out I have a p0340 p0341 p0335 codes that came up on my truck. It is a 2018 Silverado haven?t had any issues out of the truck but with I went to the car wash on Monday it was fine Tuesday got in it to go to work and felt like a brake was grabbing when the traction control comes on. It was not the case then 5 miles later the engine codes come on. I have replaced vvt magnet, vvt solenoid, cam and crank sensors and the negative battery cable,battery replaced and had the alternator checked as I was told by the dealer that was the issue well it is currently still doing the same thing and has an extended crank when starting. I have checked grounds everywhere but can?t find anything wrong just asking if anyone else has had this issue and there is zero reason to believe it?s motor cause it sounds perfect.

  2. #2
    Tuner
    Join Date
    Jul 2022
    Location
    Texas
    Posts
    125
    Have you logged it? Obviously the parts canon isn't working. You need to look at the data. Could be anything from a bad pin in a connector to a broken wire to the reluctor wheel on the crank moving to a whole host of other things.