2004 Ford F250 "cold start high rpm" Questions

...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, ...

...cold start sequence is properly reducing rpm. Just that both are too high. When rpm is high it can be that unregulated air is coming into the engine. This is similar to having the throttle partially ...

Cold Start Routine which works on water temperature. You have 2 sensors for water. One is for the dash gauge and the other is for the brain. If your truck can not tell it is heating up, that sensor is

...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 ...

start with. That tells me it's something shared by the two. I wrapped the fuel lines with heat tape in case of vapor lock. It has caused my spark plugs to go bad in cylinder 7 and 8. It will also back

...cold, but I will have to confirm that. It did it yesterday, I thought the missing was gone but it came back after doing some road tests. (I did play with the timing tho so Im not sure it's ...

...cold, lack of power, bad fuel economy, etc. I hope this helps in some way. If you need further assistance on this vehicle or any other vehicle feel free to post on here or give me a call. My name is ...

start cranks good but starts and stalls. cranks and runs but RPM races to high(too high RPM not told) normal cold is about 1500 RPM but at -39F RPM will go higher that is how EFI works here. even 2500

...start up high racing engine how high is high how cold is cold. all cars race, when cold, and higher colder, by law too. (EPA) the key is you didnt state an rpm, or post video with sound i could run ...

...cold start injector  that just works while the engine is cold. You will probably use more fuel like this. It's not a great idea to run with no thermostat anyway because you get uneven ...