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  1. #11

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    it has a 5.7 tbi nd yes it has a mass and thats the only thing that came up

  2. #12
    Sr. Engineer
    Join Date
    Dec 2011
    Location
    11-22-boogie woogie avenue
    Posts
    308

    Default

    No what i,am saying he put a engine in the truck a 94.. 96 and up has maf sensors ..was asking what engine did he install
    If he did put a 94 4.3 has to be a vortec with a maf. We have to read whole threads he said he put a 4.3 in a z71 with a maf all messed up.

    ---------- Post added at 01:05 PM ---------- Previous post was at 12:55 PM ----------

    If it is a tbi.. it does not have a maf sensor. When you say tbi.. throttle body injection..are there two injectors on throttle body?
    Or just a throttle body.. for air intake only. Is there a plenum /cover over the intake?How are you scanning for codes obd1 or obd11?
    Vortec obd11 .tbi obd1 If it has a maf code ..and you have one ..will be a sensor beside. in front of air filter housing tube from air filter will go to throttle body. Clean or change it first.

  3. #13
    Sr. Engineer
    Join Date
    Dec 2011
    Location
    11-22-boogie woogie avenue
    Posts
    308

    Default

    Does engine idle high?

  4. #14

    Default

    it would idle at low rpms nd its tbi and it came out of a 94 chevy astro nd wont have to worry about it anymore she is sold as of tomorrow

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