2007 6.0l cranks but no start. Read all the forums and I think I performed all the checks. Getting a ficm/ cam sensor/crank sensor no sync. I'm also getting 84.70% at the ipr while cranking. Do I have multiple problems? Watched videos on either the ficm or ipr percentage but not one that had both problems. Getting injector clatter and fuel pump runs. Didn't see anything obvious with the harness.

 

There is a no-start thread in the Tech Folder for starters.

We need engine readings to help.

Start with the fact that cam/crank sync is different than FICM Sync. Are you not getting cam/crank sync when cranking or not getting FICM sync (or not getting either)?

Do you have rpm readings when cranking? How about fuel pulse width readings when cranking? what are they?

Are your batteries charged and load tested individually (not just a voltage test)?
Oil level good? Pressure on the dash oil pressure gauge when cranking?
ICP pressure and volts reading when cranking?
IPR% duty cycle reading when cranking?
Any work done to it recently?

No DTC's?
What scan tool are you using?

 

Mark is on it...

How many miles? Did it just not start one day? Did it start having problems only when hot? Did it just die running down the road? How much of the service history do you know: anything in records like STC fitting replaced or dummy plugs and stand pipes?

Yes it could be multiple problems -- had a guy here that was chasing "real" issues and didn't know he had fixed it and it would've started, but batteries had run down. No FICM Sync if starting rpm isn't high enough.

More info from you and you'll get tighter responses on where to go next...

 

Thank you. The truck has 169k on it. Don't have any previous records. Changed the oil 300 miles ago. Oil level good. I don't have crank/can sync. I don't have ficm sync either. Going to load test the batteries tomorrow. While cranking icp psi is 1000psi, icp voltage 1.2 volts, ipr % 84.76%. Truck died going down the road. I have rpms while cranking. Using a Autel Maxidiag Elite scanner.

 

How many rpm while cranking?

 

Per previous posts - please post BOTH rpm and fuel pulse width values.

No fuel command signal when the ICP, RPM, and VPWR signals are correct usually indicates a loss of CMP signal. Go to Pinpoint test V. Fuel PW defaults to 0 with no CMP or CKP signal. The CMP sends the sync signal to the PCM. No Sync while cranking the engine with the ICP, RPM, and VPWR signals correct usually indicates a loss of the CMP or CKP synchronization signal. Without a CKP signal, you should also see 0 fuel pulse width AND the IPR should default to 14%.

 

Between 180-230rpms

 

183-230 rpms. 0 fuel pulse width.

 

Ipr % 84.76% with 0 fuel pulse width while cranking.

 

I would bet on the Cam sensor (or wiring) then

 

Found a little history. Injectors were replaced 17k ago by a ford dealer.

 

Good luck!

 

Cam sensor fixed it!! Thanks to everyone for your help. Saved me a bucket load of money!!

 

Excellent to hear!

 

Thank you for promptly getting the engine PID values requested, they were essential for a proper diagnosis. Sometimes it is like pulling teeth getting the needed information posted. Hard enough to diagnose some of these problems when you have the vehicle, let alone over the internet.