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Old 09-14-2007, 08:04 PM
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motor missing

i noticed my truck was missing the other day and brought it to a shop where my friend works to get a scanner hooked up to it and found 2 codes. the codes ( po272 and i believe is was po284). scanner said it was cylinder 4 and 8 contribution or balance fault. i have just changed the hpop and cam and crankshaft sensors and it was doing fine for about a month and then started missing. i called the ford dealer by the house and they said they couldnt get my truck in until later next week. any of you guys know what could be causing it? and when i crank her up first thing in the morning, i have to wait about 10 mins for it to warm up before it will even move. any help appreciated
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  #2  
Old 09-14-2007, 08:25 PM
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no clue bud, but here is a bump for you!!!
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Old 09-14-2007, 08:56 PM
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I could be mistaken...but the symptoms loosly match injectors not working correctly because of an oil viscosity situation. Cold engine ,old oil or HPOP leaking at the connector. Hope someone else chimes in !
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Old 09-15-2007, 04:32 AM
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Quote:
Originally Posted by mrnecsteve View Post
I could be mistaken...but the symptoms loosly match injectors not working correctly because of an oil viscosity situation. Cold engine ,old oil or HPOP leaking at the connector. Hope someone else chimes in !
Usually when you have symptoms like this, we would check the fuel pressure. If i were taking a guess, I would say that you are going to need a new fuel pump (which is easy to do btw) and two new injectors. If it's gotten this bad, i would expect that you might be in some trouble though and might be going back a couple of times, because once you run on low fuel pressure for long enough, the injectors will slowly start dropping one by one over time. If it were oil pressure, the injectors that would have problems would be side by side in the bank, but because there is an injectors between 4 and 8 (#6) i would assume it wasn't an oil problem. I can't say for sure without the truck in front of me, but my best educated guess.

And just a peice of advice. Don't drive it unless you have to. You are asking for a problem if it's the pump and could very easily leave you stranded on the side of the road, not to mention, are asking to ruin the rest of your injectors if they aren't bad already.

I hope that helps, and sorry to be the bearer of bad news....

-Ashley

Last edited by AshleyJade; 09-15-2007 at 04:36 AM.
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Old 09-15-2007, 04:51 AM
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I would check the UVC (under valve cover wiring harness) they tend to get hot, melt and short out. This could be the cause of the fault for your injector contribution test. Aslo do a fuel pressure test as well. Also do an injector buzz test and see if these two injectors fail the buzz test.
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Old 09-15-2007, 05:44 AM
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p0282 ands p0284 arent electrical codes , definitly wouldnt hurt anything to run buzz test but i think youll find your problem with a contibution test ,more than likely you ave a couple injectors going bad , might want to have fuel pressure checked , low fuel pressure will damage injectors
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Old 09-15-2007, 05:47 AM
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When I first read motor missing I thought of the "fridge is running" joke. ha hope it all works out for you!
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Old 09-15-2007, 09:18 PM
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thanks for the help yall... im just gonna let it sit out in the garage until the thursday when the dealer can get my truck in. anyone know about what kind of price this kind of work is gonna cost me ( just a ballpark guess)
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Old 09-17-2007, 04:17 AM
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mortgage needed

Mortgage your house and first born on the way to the dealer!
Good luck I hope it's not as serious as it sounds
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Old 09-24-2007, 02:35 PM
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got it back

just got my truck back!!! turned out two injectors were clogged and the computer needed to be reprogrammed. The egr was also stopped up.
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