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Old Jul 5, 2016 | 09:15 AM
  #1  
swmpbgy1's Avatar
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Stalled.......

Greetings all.....


About a month ago I was backing my boat into its parking spot and my 2000 EX 7.3l just stalled.....It fired right back up and I thought nothing of it.


Over the holiday weekend we were leaving a cookout and the EX hickuped....kinda like a misfire, but never stalled.


Is this a symptom of a CPS going bad? The truck has 121k miles on it.


Any other items I should check?


Swmpbgy1
 
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Old Jul 5, 2016 | 09:51 AM
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My experience with the CpS was instant and complete failure.
 
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Old Jul 6, 2016 | 08:26 AM
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Originally Posted by pirate4x4_camo
My experience with the CpS was instant and complete failure.
The two times I had to deal with it, the truck would restart run then die again. I would take a close look at that sensor though.
 
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Old Jul 6, 2016 | 08:45 AM
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They can also be intermittent. I had one that would sometimes die while idling at a stop light. Start right back up again, and might not do it for weeks. One evening when I had some time, but no parts, I removed the sensor, checked for cracked wires, cleaned it up and sprayed the connector with contact cleaner, reassembled, and it never did it again.
 
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Old Jul 6, 2016 | 08:50 AM
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Originally Posted by jmiles007
They can also be intermittent. I had one that would sometimes die while idling at a stop light. Start right back up again, and might not do it for weeks. One evening when I had some time, but no parts, I removed the sensor, checked for cracked wires, cleaned it up and sprayed the connector with contact cleaner, reassembled, and it never did it again.
That about sums up the issues I am experiencing.....I think for $20 from rock auto, I will go ahead and replace it.


Any other areas that may cause an intermittent stall that I should check?


Thanks all........


Swmpbgy1
 
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Old Jul 6, 2016 | 07:25 PM
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I think for $20 from Rock Auto you'll be replacing it again in short order. Stick with the more expensive major brand stuff or snag one from Clay over at RiffRaff. Those cheap aftermarket ones don't exactly have the best reliability history for anyone here.

Could be worth checking some other things like oil level, etc. I had a slow leak that left me extremely low after a road trip and in certain conditions the truck would crap out due to lack of oil for the injectors

CPS is a good place to start, but as with any sensor on these things don't skimp and try to stick to Motorcraft or OEM if possible.
 
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Old Jul 6, 2016 | 07:41 PM
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Originally Posted by Krazee Matt
I think for $20 from Rock Auto you'll be replacing it again in short order. Stick with the more expensive major brand stuff or snag one from Clay over at RiffRaff. Those cheap aftermarket ones don't exactly have the best reliability history for anyone here.

Could be worth checking some other things like oil level, etc. I had a slow leak that left me extremely low after a road trip and in certain conditions the truck would crap out due to lack of oil for the injectors

CPS is a good place to start, but as with any sensor on these things don't skimp and try to stick to Motorcraft or OEM if possible.
Rock auto has the OEM Motorcraft for $19.95........

Swmpbgy1. .....
 
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Old Jul 7, 2016 | 03:27 AM
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Couldn't find it when I checked right quick before I posted, might've glossed over it.... Been all over the place today moving houses.

Unless we're getting different search results for the same vehicle, all I see are the Delphi, Ultra, Airtex, and Standard Motor Product... None of which is the Motorcraft variant.


 
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Old Jul 11, 2016 | 08:32 AM
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Originally Posted by Krazee Matt
Couldn't find it when I checked right quick before I posted, might've glossed over it.... Been all over the place today moving houses.

Unless we're getting different search results for the same vehicle, all I see are the Delphi, Ultra, Airtex, and Standard Motor Product... None of which is the Motorcraft variant.



Yeah.....It's there if you do a parts number search for F4TZ12K073C......It is out of stock now......Probably why it did not come up in the general search.


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Old Jul 11, 2016 | 09:13 AM
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Check the nut on the ipr if is still on. Will cause a a stall.

( chances are the nut is still in the engine valley if that is your issue)
 
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Old Jul 11, 2016 | 09:15 AM
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Originally Posted by ruffneck30
Check the nut on the ipr if is still on. Will cause a a stall.

( chances are the nut is still in the engine valley if that is your issue)
Ruffneck30:


Could you please elaborate on this?? What is the IPR? Where is it located? Is the nut supposed to be on or off??


Swmpbgy1
 
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Old Jul 11, 2016 | 03:11 PM
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Moved to the 7.3L forum.

I'm on the app right now and so I'm limited in the help I can provide, but if someone hasn't posted about the IPR and the tin nut by the time I'm back in front of the computer, I'll dig up the pics and info for you.

Also, yes, your symptoms can be caused by your CPS. It can be intermittent hiccups with occasional stalls, or it can just give up the ghost.

I've had both, but the intermittent stalling has happened more often than cutting out and never restarting.

Stewart
 
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Old Jul 11, 2016 | 03:20 PM
  #13  
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Originally Posted by swmpbgy1
Ruffneck30:


Could you please elaborate on this?? What is the IPR? Where is it located? Is the nut supposed to be on or off??


Swmpbgy1
I'll jump in on this one . under the fuel bowl is the hpop you will see the ipr (see photo )the nut is what my finger is pointing at
 
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Old Jul 11, 2016 | 06:19 PM
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Here is the location of the IPR.

Name:  73EngineSensors.jpg
Views: 274
Size:  129.9 KB

Stewart
 
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Old Jul 12, 2016 | 01:13 PM
  #15  
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Thanks for the info......So if the nut is missing or not missing.....What am I trying to diagnose?


Swmpbgy1
 
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