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Thread: fuel pressure

  1. #1
    Fuel Injected!
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    fuel pressure

    hi, does anyone know what the fuel pressure should be for sure, I have seen 41-47 then another web sight 60-66 psi. 1996 s10 2.2 four cylinder, I have 40- 44 spark plugs are white like it might be lean.

  2. #2
    Super Moderator
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    41-47 with no vacuum applied to the regulator is correct.
    1995 Chevrolet Monte Carlo LS 3100 + 4T60E


  3. #3
    Fuel Injected!
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    thanks Robert, I thought my pump might be going bad.

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