My RPM Flucuate when engine gets hot?

It could be a o2 sensor only faulting at a certain temp they're very delicate so slitest change can cause it to run like that try a new set of spark plugs to because my car did that before and we ran the computer on it couldn't find the problem ne where and it was a foweled plug or your coil pack could have went bad its hard to troubleshoot a vehicle without being by it I suggest taking it to someone and having it put on a scanner not a code reader like autozone has but a good computer scanner depends on the garage some might charge twenty bucks to check it but it is very accurate that will tell u if it is the o2 sensor and if ur o2 sensor os bad your check engine light will be on.

My car runs like crap when i start it but runs almost perfect after it warms up?

I think I would check out the EGR valve, in fact in a '95, I would clean up the EGR and the passageway into the block the the EGR is attached. There is usually a build up of carbon there so you might have to use an old screwdriver and hammer to chisel the crap out.

Vauxhall expert mechanics help required?

hi I own a suzuki wagon 2005 vauxhall Z12XEP 1229cc engine is fitted as standard,can you tell me where the cts sensor is fitted. and how to remove the electrical connector on the MAF.also the position of the tps sensor. also any advice on the following problems,1 starts fine hot or cold but starting from cold it is virtually undrivable engine seems to be choking for about first 30 to 40 yards then picks up. temp gauge seems to take ages to move.when car warms up it seems to miss or hesitate intermitently.feels as if ignition switching on and off for split second.the car has full service history genuine 57k no noise oil or water leaks. no warning lights no fault codes.help please.

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HELP: Been all day trying to LOOSE the intake manifold--->STUCK!!?

I think what you are removing is what Haynes calls the "collector" and I called the "plenum" when I had a similar engine in my 1984 300ZX. That part sits on top of the actual intake manifold. If yours is the same the throttle body comes up with the plenum, and lifting repeatedly on the throttle body with your hands should loosen it eventually.

Ford focus idles at 4500 rpms?

I just bought the car. I have had the MAF sensor checked changed the TPS the throttle body is closed like it is suppose to be. Throttle cable is not caught anywhere. Air filter is clean. I just can't figure out what is causing it. Although I'm not too sure where all of the vacuum lines are but I'm working on that with the help of my chiltons book. Any input would be appreciated.

Whats wrong with my car?

Ok, last month my car started acting funny. It would drive fine through the city, but as soon as I got on the expressway the RPM gauge would shoot up to 3-4000 RPM, buck/jerk then return to normal. It would only do that on the expressway, then it started to do it a little on the street, not the jerk/bucking part, just the RPM would go up. I got a transmission flush, that didn't help at all. So I took it to another shop, they pulled the code P1702, and said I need a new transmission. I don't think that I do, it changes gears just fine, no jerking of gears, no hard shifting. So I picked it up, brought it home, called the place where I got the fluid change, they picked it up, and said I need a transmission(I STILL DON'T THINK SO!!). The first place, they wanted $2200, and the place where I got the fluid change wanted $1600...money that I do not have at all, I can't even get a loan, so that's not going to happen. So, I finally took it to a guy who said it it the TPS sensor, he changed that, and now it's worse than ever! I know I will probably get some responses telling me that I need a new car, which I can't afford, and I will probably get some jerk calling me an idiot because I didn't listen to the 1st shop I took it to, but as long as I get an answer I don't care(besides I can always flag the jerks). Someone (with sense) please help. I have a 2000 Ford Contour 2.5L with 183K miles.