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Old 04-21-2011, 07:15 PM
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Motor Problem!

I bought a set of hybrids and got them installed today, having some problems. The o-rings were used, but looked great and the injectors only have 8k miles on them. This is about the 8th set I have installed and have never had a problem before now. I got it started, took about 4 long cranks like normal. So I let it idle for about 8 minutes then put it on high idle for couple. Everything was running great, so taking it down the road just cruising the truck wants to shift early and is really choppy at lower RPMS, very distinct at lower rpms then smoothed out or at least seemed to at 2k RPM's. So I get it home and shut it off thinking the tuning didn't like it or maybe a lot of air in the system. Well I get ready to see if it will start again and had to crank on it more than normally would after driving it for 5 miles and a lot of idling off of the start they normally fire back up after some cranking. Well I ended up cranking on it for about 4 more tries and through a code. So decided to stop for the night.

Here are the codes and what they are.

Not sure which one of these Just says P1212
P1212{2} ICP Higher That Expected KOEO

P1212{1}{3} ICP Voltage Not At Expected Level

P0603
KAM Memory Loss

One of these Code was PO344
P0344{2}
CMP/SYNC Counts

P0344{1}{3}
CMP Sensor Circuit Intermittent

Not sure if the CPS crapped out on me while cranking and driving? What would keep it from building ICP? When I First started it took few long cranks then boosted right up to 550 and fired up. When I was cranking the second time it started at 190 something then wouldn't build any higher and just kept going down?

Any Idea would be great. Have searched the Forums and didn't see similar problems right after Injector install.

Thanks,

John
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Old 04-21-2011, 07:30 PM
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Seems like the IPR is sticking, that would kill the ICP and make it idle rough and run weird
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Old 04-21-2011, 07:33 PM
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Ya that could be, only thing that steared me away from it was because its a new one, can they just go bad? or maybe something in oil clogged it?

Also one of the codes is for CPS? is it bad or did it just register because the cranking and no start?
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Old 04-21-2011, 07:36 PM
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yea what joe said that and double check the icp sensor for corrosion. seen similar issues caused by that
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Old 04-21-2011, 07:37 PM
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I dont know much about how an IPR goes out.

The CPS would be a cheap place to start
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Old 04-21-2011, 07:39 PM
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You can get a CPS code from excessive cranking and no start.
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Old 04-21-2011, 07:40 PM
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Im going to try to get it running and buying new CPS regardless. Have a spare i can Also try. and spare IPR that i thought was bad, ended up being the wiring.
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Old 04-21-2011, 07:42 PM
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Quote:
Originally Posted by dhanna6powerstroke View Post
You can get a CPS code from excessive cranking and no start.
Thats good to know, thanks.

Its wierd that it would just fire up the first time, then ran like crap and now won't start. I double checked everything under the valve covers before putting them on so I am just trying to find a place to start really.

Looks like take a look at IPR.

Also it idled fine when I got home, I really thought the tuning was just dumping to much fuel. I also tried giving it some fuel while cruising and had DC%44 at like 1900 to 2200psi. It didn't want to build oil pressure while driving. I only drove it also on economy and daily and both ran bad down low and rolled some coal even in those tunes while just trying to get up to speed like normal. Not getting on it hard.

Last edited by xxxxxxxSTROKE_THIS_F-250; 04-21-2011 at 07:46 PM.
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Old 04-21-2011, 07:42 PM
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Seems like you got a solid plan for tomorrow lol

Id say the IPR is the starting point
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Old 04-21-2011, 07:46 PM
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Quote:
Originally Posted by kanuck15 View Post
Seems like you got a solid plan for tomorrow lol

Id say the IPR is the starting point
You better get it fixed in time for the G2G.
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