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Vortec 4.2L I-6

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  1. deagle12

    Need an ABS sensor clip

    deagle12, Jul 8, 2017
    Replies:
    2
    Views:
    82
    deagle12
    Jul 8, 2017
  2. JPutnam

    NEED HELP Trailblazer coolant bubbling, no coolant flow?

    JPutnam, Jun 30, 2017
    Replies:
    7
    Views:
    150
    Mooseman
    Jul 1, 2017
  3. Old Coot

    2003 Trailblazer start up rpm drops, runs rough, nearly stops

    Old Coot, May 31, 2017
    Replies:
    4
    Views:
    291
    KNBlazer
    Jul 1, 2017
  4. LouisTB

    Can I do a Trans. Flush with high miles?

    LouisTB, Apr 22, 2016
    Replies:
    29
    Views:
    724
    JPutnam
    Jun 30, 2017
  5. mrkoolaid9uy

    4.2 engine removal help

    mrkoolaid9uy, Jun 18, 2017
    Replies:
    9
    Views:
    265
    mrkoolaid9uy
    Jun 25, 2017
  6. Scavenger

    Oil Catch Can for 4.2 PCV system

    Scavenger, Aug 3, 2013
    Replies:
    29
    Views:
    4,775
    Capote
    Jun 24, 2017
  7. Vaughn M. Elliott II

    Need some ECM help 2006 TB 4.2 AT

    Vaughn M. Elliott II, Jun 21, 2017
    Replies:
    6
    Views:
    239
    limequat
    Jun 23, 2017
  8. rizzo20

    Fuel system questions

    rizzo20, Jun 19, 2017
    Replies:
    2
    Views:
    149
    rizzo20
    Jun 19, 2017
  9. therealsethallen

    NEED HELP Oil Pressure Drop Concurrent with A/C Disengagement

    therealsethallen, Jun 18, 2017
    Replies:
    7
    Views:
    177
    JerryIrons
    Jun 19, 2017
  10. TripleBuick

    Fuel economy improved after troubleshooting P0171

    TripleBuick, Oct 21, 2015
    Replies:
    13
    Views:
    1,292
    John Schwarz
    Jun 7, 2017
  11. Fleetboy

    Rough Running Trialblazer

    Fleetboy, Apr 24, 2017
    Replies:
    9
    Views:
    488
    MRRSM
    Jun 6, 2017
  12. 5xBuckman

    CASE relearn

    5xBuckman, Jun 1, 2017
    Replies:
    4
    Views:
    229
    limequat
    Jun 2, 2017
  13. thebat

    P0171 and P0303

    thebat, May 16, 2017 ... 2
    Replies:
    51
    Views:
    761
    Mooseman
    May 30, 2017
  14. gladesteen

    Clogged Cat 2004 Olds bravada - need magnaflow part # please

    gladesteen, May 29, 2017
    Replies:
    5
    Views:
    214
    Mooseman
    May 29, 2017
  15. joepro17

    NEED HELP P0301 then P0300. Please help.

    joepro17, May 12, 2017
    Replies:
    12
    Views:
    297
    NJTB
    May 26, 2017
  16. Chickenhawk

    Coolant temp sensor doesn't screw all the way in

    Chickenhawk, May 23, 2017
    Replies:
    8
    Views:
    261
    Chickenhawk
    May 25, 2017
  17. Ricky lester

    Engine,trans specs

    Ricky lester, May 19, 2017
    Replies:
    5
    Views:
    189
    Mooseman
    May 20, 2017
  18. Lckent48

    Reduced power, no codes

    Lckent48, Mar 22, 2017
    Replies:
    21
    Views:
    518
    Sparky
    May 19, 2017
  19. dkvasnicka

    Cold start at -16F, power steering pump noise under load

    dkvasnicka, Jan 8, 2017
    Replies:
    16
    Views:
    570
    Mooseman
    May 18, 2017
  20. Capote

    Should one only stick to 5W-30 in our 4.2 i6 ? (excluding extreme climates)

    Capote, Mar 10, 2017
    Replies:
    17
    Views:
    845
    BrianF
    May 16, 2017
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