Had this previous thread... https://www.ford-trucks.com/forums/8...gain-help.html

I seemed to get all these resolved. New batteries that test out good with load, GP's less than a year old, GPR shows 11+ volts on the GP side, starter seems to crank normal now. I live in an apartment right now and can't plug it in. HPOP level is within 1/2" after sitting. Oil changed 200 miles ago.

Truck had only been sitting since last night. It was 19F degrees this morning and took 4 tries to get it started. For the first 3 trys, it took about 3 seconds to crank over then it tried to idle, romped bout once or twice then died. The 4th time once it cranked and started to idle, i pushed the fuel pedal down a hair and it seemed to finally stumble and rattle until it started to idle smooth.

I waited about 30 or so seconds with the key on before i started to turn it over, the GPR will click of in about 40 seconds or so. I get a mix of black/gray and white smoke on all trys. Once it started i had a little white smoke for a few minutes, but not puffing like it did when my old GP's went bad.

The truck does have somewhat of a 'hunting' idle all the time, unplugged the ICP sensor and it seemed to smooth out, but its so slight its kind of hard to tell. Haven't replaced yet because of price.

So my thoughts are Injectors, GPR not staying on long enough, or ICP issues? Possibly the 15-40 oil, but i think it would still at least start, just have the romps real bad.

Any thoughts?

 

I change my oil to deisel rated 10-30 for winter. I do cycle my glow plugs twice. don't like it and smokes for a while once started.

local shop told me my injectors could be the issue, but that is 2k for stockers, so not high on the list of things to do with the holidays coming.

shop told me over time, and or previous owner not having a good filter could have dusted the motor a bit is why he thinks injectors, but oh well
good luck

 

Have you checked your HPOP oil level?

I am wondering if it isnt cold related..but oil level related.. also, fuel filter, when was the last time you swapped that out.

an easy way to watch how long the GPR is engaged is to tune on your head lights, turn your key switch on, time it until your lights go bright..

 

HPOP is at 1/2" from top. Gpr i can hear click off. Bout 40 seconds this morning. Fuel filter changed 200 miles ago

 

Pat, I think you're right..sounds like an oil issue.

If you have a bad ICP it can cause stalling and hard starts.

 

i was going to try and unplug the ICP next time when its cold and see if that helps it start

 

Does this only happen after sitting for a while, or is this something that only happens when cold.

Cycle your key 3 or 4 times, for about 30 seconds each.. maybe allowing fuel presure to build up..you know, a leaky injector maybe..

 

only when its cold, below 35 degrees or so. It only sat overnight. And after the first start of the day its fine. cycled the key twice before starting on the 2 try, still did the same.

 

I think we need to do the ohm check again on the UCVH.. Lets just double check everything,

 

I have similar issue. but have not checked the oil level yet.
and once started I get a lot of white smoke till it warms up. also just had a buzz check recently at a local shop.


what does the unplugging the ICP do for starting?????
I can try that. just replaced myk HPOP with an adreniline but did not have the funds for a new IPR

 

Well i hopped in it this morning, 25 degrees out, and the first turn of the key i get a thud and a zing noise, second try the starter barely engages and turns it over a little, third try she finally turned over enough to get the truck to start to idle. So with that i'm pretty sure the starter is the issue. Think i'm going to have a DB on the way! So i think all the bad romping and rough idle issues was the motor wasn't turning fast enough to get the oil pressure built up and run everything like its supposed to right off the get go. Thanks for all the help guys.

 

I will be waiting to see this.. I would have been leaning towards loose connections on the starters, then the Starter.. I hope the starter works out for you.

 

The truck won't even try to light until it gets to 500psi of HP oil. Once it does, it will turn on the injectors to try to start. It would help of you had a ScanGauge or AE to help with this to see what's happening. It does sound like two problems to me. Starter (which may have gotten tired because of the hard starts), and the starting issue itself. Need more info to trouble-shoot this one. The white smoke bugs me though. That's a tell-tale sign of cold cylinders (GP issues).

 

Well from my first thread, i have always seemed to have a slow crank and the other day the wife started it when it was about 32 degrees and she fired right up, a couple of days before it was around 34-35 and the truck struggled, so seems kind of intermitant. Saturday morning it was 30 and fired right up. Really strange and irritating. And as far as the smoke, when she started the smoke was more black this time and very little white smoke followed. When i had two dead plugs last year before i changed them it smoked like a freight train for a good 5 minutes after start up. I also had one guy tell me the motor needs to turn so fast in order to build up heat in the cylinders in order to fire correctly. Not sure how true this is but it does make sense. So hopefully the changing the starter out will help and solve it. Last time it started to do this with the starter, about a week later it left me stranded at the tire shop after they rotated my tires!

 

I had similar cold start issues with the inability for engine to "catch" when temperature is <35 deg F. The research I found here on this forum led me to switch to synthetic motor oil, as the issue was due to increased viscosity of the regular oil when cold. I have not had a single issue starting since the switch. The engine fires right up, no more romping. Pep Boys did my oil change and I had them put in Rotella Synthetic. It did cost quite a bit more but my issue is now gone.