my 1997 7.3 powerstroke turns over but won't start. changed fuel filter and cps. still no start. had check engine light when it quit running but i think it cleared when i disconnected battery. was running real rough and finally quit. i restarted it a few times but it would stall almost immediately. fuel is getting to closet. no smoke. wait to start light comes on and tach moves while turning over. any help appreciated.

Had it scanned today. Got the following codes: P0603-Internal control module KAM error.
p0344 Cam Position Circuit Intermittent. P0470 Exhaust Pressure Sensor Circuit. P1668 PCM-IDM Diag communication error. HELP!!! I miss my truck!!!!!!!!!!!!!

 

Check the wires going to your IPR and the pigtail. Look under my no start thread for more information.

 

where do i find your no start thread?

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I have done the following to the truck.

Replaced cps
checked uvch
cleaned screens coming out of fuel closet
tried starting with ipc unplugged
fuel pressure is 40 psi while cranking
checked back of IDM - no water
no smoke while turning over
starts with ether then dies

get cps intermittent code. could the new cps be no good? any help greatly appreciated.

 

Is there oil in the HPOP res?

Stop using Ether, It's going to do more damage than good.

 

sounds like the idm took a dump on ya last one we had like that we tried a used idm on to test it and that was the problem so it got a new one, it had the same idm codes you have

 

worked on a 96 F350

first proble why it would start (it would turn over) battery's were not giving all amps
then after fresh battery's the glow plugs were bad along with the glow plug relay, we also had to replace cam sensor, after replacing all of those, it started.

if your cam sensor is bad, it will not start.

 

Any news?