2000 Ford Focus starts to idle really bad and then cuts off when I come to a stop.?

I have a 2000 Ford Focus and I am having problems with it……every time I come to a complete stop like at a stop sign or red light or something it starts to idle really bad then cuts off and the engine lights come on but when i crank it back up it drives fine and the engine light goes off. I took to a mechanic and the timing belt and water pump was replaced, fuel filter replaced, and new wires, had the oil changed and it is STILL DOING THE SAME THING!!!! I am so aggrevated. My uncle who is sort of a shade tree mechanic, mainly works on way way older cars, but has his own shop worked on it for three weeks and it completely has him stomped. I took it to autozone that ran a diagnostic on it and said I needed to add some Octane boost to the gas tank and upgrade for a while to a better fuel…tried that didnt work either and they also said something about an Oxygen Sensor…(O-2 plug/sensor) I have not tried the O-2 yet but I hate to waste more money if that isnt the problem…i’m just trying to save money by not going to dealer any one has any ideas?

after out on the water trolling for several hours,my boat won’t come up to speed. only goes about 10 mph.?

I’m a 22 foot C.C. with a 225 Merc. newer model, I’v changed the lower case oil and it seemed ok. the one day out on the water several hours trolling , i started my way back home and thats when she’d only go about 10 mph full throttel with with about 2500 rpm. after shutting the engine off several times it finally kicked back in and I was able to resume regular speed. any Ideas? I’m thinking throttel cabel, lower case problems, clogged fuel line.

Truck almost stalls when I come to a stop?

Every time I come to a stop or start my truck in the frigid cold (in the negatives for it to do it), it shakes and spudders like it’s about to stall out on me. I usually have to give it some gas to prevent it from dying.
I don’t know whether it could be a clogged fuel filter, bad fuel injector, water in the lines, clogged air filter…etc…

PS: I have a 98 Ford Explorer Sport

If Water was in the Oil, would the Water or the oil come out First when Drained?

For me, im askign due to the Residual that is in my Block, im trying to get it out.

here is a re-post of my whole entire long wquestion, in seeking to know WHy my car didnt start AFTER the Head was changed until After i put the PCV Elbow on, gave it gas, charged up battery, and THEn it started…

START

my car rattes and dies when i come to a stop, any thoughts?

92 Cavieler. 4 cyl. Now i have a few problems with this car but the main problem i have been having has been on and off for a few years, but frequent lately. When I drive it for more than 15 min, or when i come fast off the interestate to a stop or slow down, my car begins to rattle when (its an automatic) begins to slow/down shift, and usually when i get to 0-5mph it will die out on me. now sometimes i can go to 2, or 1 gear when i slow down and it wont die, but once it dies, it will start up, but when i shift to Drive, it dies out again. ususally takes about 30min of waiting before i can drive it again.
also worth noting the 2nd problem is fuel is not getting to car when it rains, so i believe water is getting in fuel system somwhere, line, injector, pump, i dont really know but from my experience i need to pump the gas like crazy for it to start when it rains. but once it drys up it starts normal.

does anyone know if a green or hybrid truck is sceduled to come out this coming year?

i will be needing a new vehicle this year but want something with space, and a truck bed so that i can still haul stuff around and be able to put my surf board in. but i cant see gas getting any cheaper so i was wondering what i could do to reduce my usage- hydrogen truck is good too just anything that uses an alternative energy source

should i wait for a hydrogen car to come out….?

or buy a hybrid that runs on gas and electricity

I got gas at a station yesterday…car wouldnt start afterwards….i had to call a record truck to come get me

from the gas station. Turns out i bout $25 worth of water not gas. The auto store drained my tanks and said mam u have a tank full of water it cost me $1100 for them to do what they had to do. what can i do llegaly to make them pay for it.??

How come the modified vapor-only fuel system “water run vehicles” is so easy but hush, hush???

I mean the water “vapor” system runs cooler, produces higher power, and mileage expected ranges from 50-300mpg of water; so why want people stand up and demand that the goverment that we vote in office investigate and act on this amazing discovery??? It’s time to stop seeing our guys die for no reason in Iraq and not benefit from at least reasonable prices at the pump. Run our vehicles on water, bring our guys home and boot the politicians out of office that keep getting richer and richer with the big oil companies!!!!
Congratulations to the Navy Brat and Electrical Engineer!! We all by now must realize that you are superior. Hooray for you, but why not use some of your genius, “dictionary” education and explain why the theory of Water Power in Vehicles is not sound that would impress me more than instructing me to the internet dictionary. I didn’t say I invented the idea or supported a 100% you moron. I just wanted different opinions, not egotsitical Ba—– comments. Maybe that’s why you walk the beach alone not by choice, but because no one will want to walk it with you. What do you do for your dates a spelling contest???