Questions & Answers for: GMC fuel mixture

...fuel mixture during a cold start, the colder the engine the richer the fuel mixture retarded ignition timing causing the fuel to burn for a longer period of time makes the engine heat up ...

...is usually the result of very rich mixtures. Here are some causes for rich mixtures: 1. leaking fuel injector(s) 2. excessive fuel pressure at the injectors. 3. ruptured fuel pressure regulator ...

...fuel mixture during a cold start, the colder the engine the richer the fuel mixture retarded ignition timing causing the fuel to burn for a longer period of time makes the engine heat up ...

...fuel mixture is burning rich (less oxygen) or lean (more oxygen). A lot of factors affect the richness or leanness of the fuel mixture, including air temperature, engine coolant temperature, ...

...want to know how to adjust my fuel air mixture Unfortunately, most fuel injection engines don't have an adjustable fuel/air mixture by the technician. The fuel/air mixture is controlled by a

fuel reader it should be around 0 to -2 for a proper mixture. anything -10 to +10 is acceptable tho but will cause either a power loss or fuel mileage loss. For fuel long trim anything in the negative

fuel mixture at the carburetor, make sure the truck is at operating temperature. Turn the idle mixture screw clockwise until the engine starts to lag then turn the screw back just until it runs smooth

...fuel mixture is too lean so the computer causes the injectors to have longer "on" time to richen the mixture.The sensor could be faulty, or something in the engine such as a vac leak or other

...fuel mixture--some of the evap system same ---most of the sensors that are not for warning of breakage or breakdown/overheating--fan relays--oil press etc all are program sensors that the vehicles ...

...fuel mixture could cause rod knock like that, which is a for of backlash or whip like action. Detonation, like very poor grade of fuel. IF your engineis running really rich, the extra rich fuel goes ...