I was running low on gas but made it home, classic story. My vehicle sat for three days in the driveway, then I headed out towards the nearest gas station after three days had passed. When I started my Mountaineer up after three days of inactivity it was shaky going down the road, where the last time I drove, it was not. I noticed, the gas was still low, and the shaking seemed to come from the engine, the idling, at some point around 10 minutes after running, was really rough and vibrating. As you know or might have guessed, I ran out of gas on this after three days of forgetting how low I was on fuel! I biked back 5 miles, retrieved 2 gallons of gas, packed the two containers in a back pack, and brought the gas back, put it in the vehicle, and headed off immediately, (immediately this time) to a closer gas station. The whole way there the truck shook and vibrated, and it has never done this before. I have not filled the tank all the way up all day, hoping some watery fuel or bad fuel would make itself out of the engine.
I am back at the house, with hardly any gas again wondering, what can I do or what DID I to that made the idle so rough. Did running out of gas do this? Would water or bad fuel, or old fuel make the engine run so rough? I am wondering if I need to buy some octane boost and add that or fuel injection cleaner to gas I put in next time, to help even out the idle, not sure what else this could be (this being the shaking and unsteady idles all of a sudden). When I reach 45 miles an hour, HOLY Shake EM Up, the car shakes every which way and then at 50 relaxes and lesses down, but that reaction at 45 miles per hour, not good! It has never done this before, and it seems too coincidental to have happened now, after just running out of gas. I can hear the choppy sound of the exhaust and feel the vibrating idle when at a stop light, and it does hesitate when gas is applied at the green light, I am just not sure where to turn from here. Thank you so much!