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wamaroe

  1. 1994 C1500 350 cid tbi; poor gas mileage, intermittent stalling & trouble starting

    A couple of years ago the truck had similar but not quite the same issues. Low power and rough acceleration intermittently. A mechanic replaced the EGR and MAP sensor. Seemed to help for a week or two. Replaced the fuel filter, same deal. It ended up being the fuel pump was pumping about 8 psi. Should be 12-15 psi for a tbi. Thank you, GM for a convenient tap to check this! lol
    Recently the truck was hard to start and stuttered and stalled taking off from a stop. Terrible gas mileage. As long ...
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  2. 1994 C1500 350 cid won't start when hot

    Over many years the truck had issues starting when engine hot in summer in Phoenix, Az. Blogs talked of increased resistance in wires to and in solenoid due to "hot soak", primarily with headers. The starter is just below the exhaust manifold on the passenger side. We have stock exhaust with factory starter heat shield. Starter removed several times in last couple of years; solenoid insulated, connections checked, etc.. On the 3rd removal the bakelite on the solenoid broke. Replaced starter ...
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