2004 Ford F250 "cold high idle" Questions

cold it will idle really high and guzzle alot of fuel..i changed the idle air control valve and nothing changed,but when i disconnect the idle air valve the problem goes away..im thinking the computer

...cold start. Don't think it is the high pressure oil as this was already replaced some time ago. And that acted different. Hard start when warm. Thinking it might be the FICM. Will that keep the truck ...

...cold,won't turn above1500 RPM,without choking out black smoke,hacks and coughs till back to idle then idles fine ,not drivable till idles for half an hour,will not go on high idle Ford 2004 6.0, ...

...High or low engine oil level, or old, diluted, additive depleted oil will cause this system to aerate the oil and result in poor fuel injection capabilities) There might be other causes but this is ...

high idle on v10 6.8 2000 f250 super duty cold idle 1100 1200 rpm warm idle 850 900 rpm replaced iac and tps cleaned mas new vac hose at manafold off of pvc valve looking for suggestions Looks like ...

...cold it is outside. I have checked glow plug resistance and actually had to change 3 of them,and yes the relay is working correctly. I have changed crank position sensor, cooloant temp sensor, engine ...

...high pressure oil leakage. This condition usually occurs when the vehicle is cold and the oil is thick. When performing a hard acceleration, the truck suddenly looses power, the check engine light ...

...cold u can acc rpm to 1000 rpm let off it idles ok it sounds like to that it is either worn/ old injectors,dirtly HPOP (high pressure oil pump) oil worn HPOP pump or dirty fuel filters or fuel. you ...

...high idleing when it got cold this year. It will not idle down at all. Can be several problems, first there is a Cold Start Routine which works on water temperature. You have 2 sensors for water. One ...

...high and I get horrible gas mileage. I ran the codes but it tells me the system is fine. I have metered TPI sensor and it reads good. I also put a brand new O2 sensor in it, that did not help. I dont ...