Question about Chevrolet Silverado 1500
...black smoke puffs out but runs smooth after it starts Black smoke is too much fuel. My guess would be that there is an injector that is stuck open draining the pressurized fuel into a cylinder or ...
...and puffs black smoke when cold pls help It is getting extra fuel during cranking suggest to test the fuel pressure regulator it has a small tube on it if gas is in it then the diaphragm is
...warm if the engine has only been off for a minute or so. Restarts hard warm if the vehicle has sat for several minutes or up to an hour. May produce a bit of black smoke during the warm/hard
...black plastic line with a green cap on the service port.) from the engine back to the vapor canister and the hoses connecting the canister to the fuel tank. A thorough visual inspection usually turns ...
Question about Chevrolet Silverado 1500
...black and pipe filthy, have the computer read at a parts house to see if anything shows up, i had a 1990 chev, it always ran perfect, no power is the other issue, you can remove the oil cap and if ...
Question about Chevrolet Silverado 1500
...black smoke coming out hard start and black smoke i have replaced a new pump and fuel filter the car has energy but still black smoke and hard start Check the MAP sensor and the oxygen sensor for ...
...black smoke out exhaust rough idle hard to start black smoke out the exhaust goes dead when putting ingear Check the fuel pressure regulator. It may be bad. Pull off the vacuum hose to it and ...
Question about Cars & Trucks
...3.9. has heavy black smoke under load when cold and is hard to start..? Run a compression test for the hard start problem. Heavy black smoke indicates unburned fuel. Have the injectors flow
Question about Cars & Trucks
black smoke Black smoke, real black, is unburnt fuel in the exhaust. If it clears up in a very short time, it may be only due to the extended cranking you have to go through to get it started. If fuel
Question about Chevrolet Silverado 1500
...black smoke under extreme acceleration. Other than that, they shouldn't smoke. Black is excess fuel, White smoke is water and bluish is oil. White smoke on a cool morning is not necessarily a sign of ...
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