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  1. Just got back from dealer service, most misfires...

    Just got back from dealer service, most misfires coming from 5 and 8 but others have misfires also but majority were 5 and 8. They pressure cleaned injectors 2x, no difference. fuel pressure good,...
  2. It was at a dealer more than once never had...

    It was at a dealer more than once never had p0301-p0308. only ever p0300 random cyclinder misfire, which they told me the computer can not indentify a single cylinder misfire, so it puts it into the...
  3. all is back together, below is the list 0f...

    all is back together, below is the list 0f changes

    1). reworked grounds, none appeared bad
    2). cleaned throttle body housing and blade
    3). cleaned mass air flow
    4). also cleaned throttle...
  4. Almost finshed with timing chain replacmement, ...

    Almost finshed with timing chain replacmement, just to confirm the tech's comment it is indeed a roller motor. But now i got to go back to auto parts store the crank sensro they gave me is about...
  5. o2 sensors are orignal. Ok put truck on lift,...

    o2 sensors are orignal. Ok put truck on lift, reworked a couple grounds. removed water pump , broke my puller trying to get balancer off, it was my smaller puller, couldnt get large one in there....
  6. I Agree thats one way to show a misfire, but I...

    I Agree thats one way to show a misfire, but I without a doubt dont have an actual misfire, idles perfect, starts fine, dosent hestiate, pulls heavy loads fine. Im going thru the ground...
  7. plugs, wires and all was done at 100k and then...

    plugs, wires and all was done at 100k and then right after 160k when light started flashing, new fuel pump and filter right after that, new air filter every six months or so. most of the items you...
  8. Im thinking about pulling the timing cover...

    Im thinking about pulling the timing cover tomorrow, replace the chain/gear set. Should I plan to do a cranksaft sensor relearn after that ??? If I am should I replace crankshaft and camshaft...
  9. Yes tech comment blew me away also, I wasnt sure...

    Yes tech comment blew me away also, I wasnt sure if it was a roller or not? My sons 5.7 in his 199? firebird was steel block/ alum heads and it was roller lifters But roller lopes dont wear as...
  10. 03 gmc gremlin problems- flashing engine light, reduced power

    Original owner 03 GMC 1500HD 6.0 liter. 4x4 4.10 gears, original everything except normal maint items. at 160k started having flashing check engine light when cresting the top of a hill on the...
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