Questions & Answers for: Chevrolet Silverado 1500 carb 55

...55-65psi. Even if it's a few psi below spec it could stop the engine from firing.Once you determine the fuel pressure isn't adequate make sure you have a good power and ground at the fuel pump. If ...

...OFF. (55-62 psi) The carb throat needs to be cleaned. You can pay chev $400 or do it yourself for under $10. Just get a can of cleaning solvent at the parts house and follow the directions on the

...55 60 is Okay with the engine off as the key first first turned on. less than 50 it won't start or start hard or add carb spray to start once started it'll run but easy to stal and hisatae to ...

...Carb cleaner, but stop after spray stops. It is possible for pump to run but not put out pressure. Sounds like you need a pump. There is a valve on the fuel rail where you can test fuel pressure. Its ...