Oxygen sensor, map sensor, dirty air filter, Transmission not going into overdrive or torque converter not locking up, May just need a good basic tune-up. Timing
On my 94 Chevy blazer, gas in the oil was caused by a ruptured diaphragm in the fuel pressure regulator that is attached to the fuel injector.
Flooding the engine. An over abundance of gas in...
It could be a lot of things. The first thing I would check is the fuel filter and the air filter. These are inexpensive and rather easy to replace. I would also have your fuel injectors cleaned,...
well its a truck, if it has a 6 cylinder you might get 14 mpg, but if ti has a v8 probably about 10 to 12 however this is relative to how you use the truck a true work truck will use more gas if the...