94 F350 No start after starter replacement - Ford Powerstroke Diesel Forum
 
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post #1 of 7 Old 10-02-2013, 08:09 AM Thread Starter
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94 F350 No start after starter replacement

Okay Guys and gals, I replaced my starter a week ago as my truck was a key on full power but no crank. Starter fixed the no crank issue but here is the issue, in my haste i failed to disconnect the batteries before changing the starter (I know, I know) and when I first stuck a wrench on the positive terminal i arc'd the starter. Now when I got in the truck to fire it up for the first time I had two blown fuses under the hood 22 & 9. I replaced both of those fuses as well as disconnecting the Fuel Bowl Heater ( who needs one of these in Canada anyways right,eh?)

Now when attempting to start my Edge Insight will not power up, i get no WTS light but the Check Engine Light comes on and the Tach bounces. I do not notice any smoke coming out of the tailpipe when cranking. All my fuses are good and I am in the process of checking my fusable links. To me this screams Fried PCM but I'm trying to eliminate all possible options before bending over at the dealer for a new PCM. Other then the issues described above all appears normal, my deck powers up and I get full power to all my lights, aux switches etc. I have a TS 6 pos installed and I have tried removing it from the PCM and still no change.

Where do I go from here Folks? I have access to a good Snap-On scanner but i do not think it is connecting as its telling me to use an adapter that I don't believe I have.
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post #2 of 7 Old 10-02-2013, 09:47 AM
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Check fuses in the interior fuse box as well. One of them (lighter fuse?) powers the OBD-II connector. If the Edge isn't connecting, the Snap-On probably won't either.

If you get that resolved, try an injector buzz test. Also, try reading ordinary sensor data (EOT, pedal position [work the pedal], intake air temp, etc.). If you get sensor data, but the buzz test fails, my money would be on the IDM.

Was the key in the cylinder when you had the little arcing episode?
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post #3 of 7 Old 10-02-2013, 09:50 AM Thread Starter
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Originally Posted by madpogue View Post
Check fuses in the interior fuse box as well. One of them (lighter fuse?) powers the OBD-II connector. If the Edge isn't connecting, the Snap-On probably won't either.

If you get that resolved, try an injector buzz test. Also, try reading ordinary sensor data (EOT, pedal position [work the pedal], intake air temp, etc.). If you get sensor data, but the buzz test fails, my money would be on the IDM.

Was the key in the cylinder when you had the little arcing episode?
I don't recall having the key in.

The OBD II port is getting power as the edge will turn on it is just unable to connect with the PCM
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post #4 of 7 Old 10-02-2013, 12:54 PM Thread Starter
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Would The check engine light illuminate at all if the PCM was not getting a signal? The light comes on and stays on when the key is turned.
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post #5 of 7 Old 10-02-2013, 02:20 PM
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Ah, that's more info than we had before. Well, at the very least the PCM is awake; it's the thing that turns on/off the CE light. It's supposed to come on VERY briefly, like, 1/4 second (blink and you'll miss it), when you turn the key to RUN. If it's staying on, that indicates that the PCM is alive, but there's a problem.

Did you check the interior box fuses?
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post #6 of 7 Old 10-02-2013, 02:29 PM Thread Starter
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Checking my fuses now, The lack of WTS light i assumed was a trigger of a bad PCM but perhaps since the PCM and Glow Plugs share the same fuse thats where the problem lies, also how full should the HPOP be when cranking?

Could the PCM just need a re-flash perhaps?
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post #7 of 7 Old 10-02-2013, 07:13 PM Thread Starter
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All fuses checked out okay, plugged the snap on reader into the under the hood diagnostic port and it would not connect
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