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mattchrz

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About mattchrz

  • Birthday 11/12/1955

Profile Information

  • Name
    MATTHEW CHRZANOWSKI
  • Location
    MARLTON, NJ
  • Gender
    Male
  • Drives
    05 SILVERADO 2500 hd

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Enthusiast (2/11)

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  1. mattchrz
    Mr injector tests and cleans injectors and I replaced the coils and wires, all good! 05 silverado 2500hd 6.0 100k
  2. mattchrz
    want a cat back system to replace stock big oval muffler
  3. mattchrz
    went thru all my 05 2500 chevys fixes a few years ago ( bumpers, brakes lines, hvac, steering column, evap ,fuel injectors, coils, power steering and trans lines, rear fluid "chatter", spare tire system knock sensors, head liner, door hinges, over 18 yrs and added cruise, radio fog lights shocks ) now my truck is awesome !
  4. mattchrz
    new coils and sent fuel injectors to mister injector for rehab. runs great now!
  5. mattchrz
  6. mattchrz
    Thanks dave! Appreciate you answering my question!
  7. mattchrz
  8. mattchrz
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  10. mattchrz
    how can i test the square coils with a multi meter on my 05 silverado 2500hd 6.0 and what should the specs be? Can't find nothing on YouTube that shows how with square coils, just coil Pac and old style single coil. thanks for your time, matt
  11. mattchrz
    Tried the fuel injector cleaner, idled smoother, miss way more infrequent. Probably bad or dirty injector. Thanks for the info! Good Numbers for mas and intake vac
  12. mattchrz
    Thanks for your time! My wife noticed the bucking, (miss) happened when jumped on it trying to make a red light. Took off great than at the next light had to stop and setting there the engine started to buck(miss) than drove a couple miles and cleared up! Crazy!
  13. mattchrz
    ok, my truck sometimes misses at low rpm parked or stopped in drive(at a light), its a 05 silverado 2500hd 6.0 base 2 door rwd, 86,000 miles. i've changed (using all ac delco or delphi electric products except) msd coils , msd wires, ac delco platinum spark plugs, crank sensor, cam sensor, map sensor, cleaned the throttle body and mass air flow sensor (with correct fluids), exhaust manifold gaskets and broken bolts, gas cap vapor canister purge valve, vapor canister vent valve, ac delco knock sensors with gaskets (few years ago), cleaned the grounds (i could find), fuel pressure is good, no dtc codes. still at idle the engine will kick down to about 560 rpms and will have a miss or sometimes not (but the miss will come it will come than stop than start), rain or dry, hot or cold outside. RUNS STRONG other than that and using high test gas 93 octane. i have a hyper tech mpg programmer but same miss happens programmed or back to stock. thanks for your time!
  14. mattchrz
    mattchrz changed their profile photo
  15. mattchrz
    I use hypertext in my 05 silverado, plug it in, asks questions, runs programs on truck computer and unplug when qued too.
  16. mattchrz

    new ac delco 41962 professional platinum spark plugs, taylor 53005 street thunder 8mm ignition wires, MSD 55108 street fire coil... still getting p0300...borrowed my son's 5,000 dollar snap on diagnostics tool...drove up and down ac express way, 90 to 75mph, getting the check engine light to flash...got high readings of misses in #6 and #1 cylinders...swapped out coils than wires, checked spark plug gaps no change, did the crank reset watched the screen on the diagnostics tool, said reset was a success...that was a month ago, so far no engine light, no codes...i do believe that maybe she didn't really need all that new stuff but i can really feel a difference in the way the engine runs, very smooth...05 silverado 2500 hd 6.0 gas about 79,000 miles now...also have a max energy e-con set for regular gas...did the knock sensors in 15', original equipment with a little more water proofing and leaving out foam pieces on the intake

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