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1999-2007 General Questions General questions related to 1999-2007 Super Duty trucks. If it doesn't fit the other categories, post it here. Gas engine discussion that pertains to all models is allowed. Specific gas engine questions should use the Gas Engines forum.

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post #16 of 42 (permalink) Old 10-09-2018, 02:34 PM
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Maybe you are thinking of a cylinder contribution test. That one reads percent deceleration of each cylinder - PERDELs - that give an indication of the output of each cylinder.

2003 F-250 XLT Crew Cab 7.3L, Chrome BigTex Grille Guard, Quad pillar - 3 ISSPRO gauges (trans, pyro, boost) and DP-Tuner F6; Roush fuel pressure / temperature / oil pressure gauges, Ford Severe Duty AIS, 31 row 6.0 transmission cooler, ScanGauge II, Marinco mod, Walker BTM

I wonder if clouds ever look down on us and say, "Hey, look - that one is shaped like an idiot!"
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post #17 of 42 (permalink) Old 10-09-2018, 02:52 PM Thread Starter
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Charged the batteries overnight. Warmed the block this morning. Still no start. Smoke, but no start.
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post #18 of 42 (permalink) Old 10-09-2018, 05:13 PM
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My next step would be to put a scanner on it and watch several parameters while cranking. I'm attaching a worksheet that outlines what to watch for.

coldstart.pdf

2003 F-250 XLT Crew Cab 7.3L, Chrome BigTex Grille Guard, Quad pillar - 3 ISSPRO gauges (trans, pyro, boost) and DP-Tuner F6; Roush fuel pressure / temperature / oil pressure gauges, Ford Severe Duty AIS, 31 row 6.0 transmission cooler, ScanGauge II, Marinco mod, Walker BTM

I wonder if clouds ever look down on us and say, "Hey, look - that one is shaped like an idiot!"
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post #19 of 42 (permalink) Old 10-09-2018, 08:18 PM Thread Starter
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If my CCAs are enough (I have close to 900 in each battery) and I charged them overnight, what would slow down operation of the starter. The new one has made a significant difference but, honestly, I'm not sure if it's spinning fast enough. Is there anyway I can post a video here if I record one with my phone?
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post #20 of 42 (permalink) Old 10-09-2018, 08:22 PM
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Sure. Post it to YouTube and put the link in your post.


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2003 F-250 XLT Crew Cab 7.3L, Chrome BigTex Grille Guard, Quad pillar - 3 ISSPRO gauges (trans, pyro, boost) and DP-Tuner F6; Roush fuel pressure / temperature / oil pressure gauges, Ford Severe Duty AIS, 31 row 6.0 transmission cooler, ScanGauge II, Marinco mod, Walker BTM

I wonder if clouds ever look down on us and say, "Hey, look - that one is shaped like an idiot!"
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post #21 of 42 (permalink) Old 10-10-2018, 11:43 AM Thread Starter
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Have to order a dongle to check the engine. Checked all the fuses, only one not working was the trailer battery charger. Want to check the hpop for oil level but the access bolts are frozen so I'm soaking them.
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post #22 of 42 (permalink) Old 10-10-2018, 12:58 PM
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How much fuel in the tank?

2003 F-250 XLT Crew Cab 7.3L, Chrome BigTex Grille Guard, Quad pillar - 3 ISSPRO gauges (trans, pyro, boost) and DP-Tuner F6; Roush fuel pressure / temperature / oil pressure gauges, Ford Severe Duty AIS, 31 row 6.0 transmission cooler, ScanGauge II, Marinco mod, Walker BTM

I wonder if clouds ever look down on us and say, "Hey, look - that one is shaped like an idiot!"
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post #23 of 42 (permalink) Old 10-10-2018, 01:22 PM Thread Starter
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Checked HPOP level. It's fine. Dirty but fine. Checked GPR: almost 13v key off on 1 pole, almost 12v on both poles key on.
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post #24 of 42 (permalink) Old 10-13-2018, 12:45 PM Thread Starter
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OK, here are the codes from the FORcan lite: OBD II no codes, Instrument cluster: B1360, B1318, U1612, B1352, PCM: P1280, P1670, P0603, P0470, Overhead Computer: B1342, Restraints: no errors, GEM: P1876, B1483, ABS: no error codes

This done with key on but not trying to start.

Now I need help to understand what this all means.
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post #25 of 42 (permalink) Old 10-13-2018, 03:05 PM
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Ignore everything but the PCM codes for now - the others won't affect starting.


P1280 - ICP Circuit Out of Range Low.
Possible causes:
  • biased ICP sensor/PCM
  • open ICP sensor circuit
  • short to SIG RTN or PWR GND on ICP sensor circuit
  • open in VREF circuit
May be because you had disconnected the ICP sensor. Clear codes and check again after cranking the engine. If this comes back with the ICP connected, would indicate a wiring issue in the ICP circuits.


P1670 - EF Feedback Signal Not Detected
DTC P1668 and P1670 indicates that a communication error has occurred between the PCM and the IDM.

Possible causes:
  • Open fuse
  • IDM relay
  • Open or shorted IDM enable circuit
  • Open/short in EF circuit
  • Open/short in FDCS circuit
  • IDM powering circuits
  • PCM

P0470 - EBP code, likely not your issue.

First truck -- 1929 Model A Ford pickup, restored from ground up. Wish I still had it!
'99.5 F250 PSD Supercab LB 4x4, ZF-6 w/SB Con OFE, 3.73LS, Boost & pyro gauges, Swamps S175/146 injectors, DP 80 HP Econo PCM (classic version
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post #26 of 42 (permalink) Old 10-13-2018, 03:27 PM Thread Starter
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Cleared the codes. Tried starting engine again. Now I have no PCM fault codes? ***? Won't start but no issues?
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post #27 of 42 (permalink) Old 10-13-2018, 06:40 PM Thread Starter
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Around 2200 ICP
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post #28 of 42 (permalink) Old 10-13-2018, 06:44 PM Thread Starter
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Starter RPMs when I look at the graph appear to be 2000 range.
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post #29 of 42 (permalink) Old 10-13-2018, 07:35 PM
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Quote:
Originally Posted by markwemple View Post
Around 2200 ICP
Possibly a biased ICP sensor. If it's sending the PCM 2200 psi when it's really lower, the PCM will say "that's too high" and dump pressure via the IPR signal. I'd try with the ICP disconnected again.


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Starter RPMs when I look at the graph appear to be 2000 range.
2000 engine rpm?? That's a pretty quick starter to spin the engine that fast. The engine only needs 100 rpm to start. Maybe the CPS is whacked out.

First truck -- 1929 Model A Ford pickup, restored from ground up. Wish I still had it!
'99.5 F250 PSD Supercab LB 4x4, ZF-6 w/SB Con OFE, 3.73LS, Boost & pyro gauges, Swamps S175/146 injectors, DP 80 HP Econo PCM (classic version
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post #30 of 42 (permalink) Old 10-14-2018, 11:04 AM Thread Starter
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Can I pull the IPR and clean it w/o replacing the O-rings?
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