I'm stalling in reverse only!
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Junior User
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I'm stalling in reverse only!
2001 7.3PSD Excursion
I have no idea if this is a cps problem or what but here's the deal:
When I'm backing into a parking space and shift from drive to reverse she bogs down and stalls. This problem is getting more frequent but does not happen everytime. It only happens in reverse! She starts right back up and backs fine immediately after everytime this happens. She's on her second tranny for 30k miles. I've towed light loads at highway speeds only twice since the replacement.
Thanks in advance for any advice.
I have no idea if this is a cps problem or what but here's the deal:
When I'm backing into a parking space and shift from drive to reverse she bogs down and stalls. This problem is getting more frequent but does not happen everytime. It only happens in reverse! She starts right back up and backs fine immediately after everytime this happens. She's on her second tranny for 30k miles. I've towed light loads at highway speeds only twice since the replacement.
Thanks in advance for any advice.
Junior User
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NANTRUCKIT, Hey I was told when your IPR injection Pressure Regulator is going bad that is exactly what will cause your problem. The clear give away is you going in reverse. Check to make sure that your washer and nut are on there, and check for loose connections.
Lead Driver
Joined: Oct 2004
Posts: 7,413
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From: Columbia, MO
Yeah, I'm a little confused too. What would the IPR have to do with stalling in reverse? You say the clear give away is that he's going in reverse. How does reverse only get affected by the IPR?
Postmaster
Joined: Jan 2004
Posts: 4,758
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From: colorado
here is some info on that:
Stall when engaging transmission (automatic, usually manual low or reverse):
Torque Converter Clutch.
This may be caused by the TCC being engaged at idle. On trucks built before 9-20-95 the correction is a new transmission front pump and/or torque converter. On trucks built after the above date, it could be cause by a loose transmission filter. In this case, install a flat magnetic strip (from a Tempo ATX or Ranger A4LD transmission) in the trans pan below the filter pick up to retain the filter in place or use an updated filter from Ford that has bumps cast into the plastic to help it stay in place.
Stall when engaging transmission (automatic, usually manual low or reverse):
Torque Converter Clutch.
This may be caused by the TCC being engaged at idle. On trucks built before 9-20-95 the correction is a new transmission front pump and/or torque converter. On trucks built after the above date, it could be cause by a loose transmission filter. In this case, install a flat magnetic strip (from a Tempo ATX or Ranger A4LD transmission) in the trans pan below the filter pick up to retain the filter in place or use an updated filter from Ford that has bumps cast into the plastic to help it stay in place.
Lead Driver
Joined: Oct 2004
Posts: 7,413
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From: Columbia, MO
For further clarification of your problem, does it happen immediately when you put it into reverse, or can you put it into reverse at idle speed and it stalls the truck when you try to give it some throttle? Does it do it all the time, or only if the transmission is specifically cold or hot?
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Originally Posted by jtharvey
For further clarification of your problem, does it happen immediately when you put it into reverse, or can you put it into reverse at idle speed and it stalls the truck when you try to give it some throttle? Does it do it all the time, or only if the transmission is specifically cold or hot?
I can put it in reverse and it idles just fine. It's when I give it some throttle that it bogs and stalls. It seems to do it no matter what temp the trans. is at.
It never ceases to amaze me the amount of stuff I learn every time I post on this forum.
Thanks to all!
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Lead Driver
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From: Columbia, MO
Just trying to cover all bases here, but have you checked the fluid level in your trans to be sure there is enough?
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Junior User
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Originally Posted by jtharvey
Just trying to cover all bases here, but have you checked the fluid level in your trans to be sure there is enough?
The chip has no tranny tunes that I know of as the tranny is stock. Go figure?
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Ok the IRP has a magnet cylinder on a shaft rod and that cylinder has a magnet on the back of it that registures a measurement to the injection system. That washer and nut holds that cylinder close to the base of the unit. Mine was missing the washer and nut all together, the only thing holding it to the unit was gummed up oil. I do not know the specifics but my mechanic at the international shop told me that they are nictorious of this problem. So I would check to make sure that the washer and nut are on there tight and also the electrical clip has no nicks or damage, make sure there is a good connection. The unit should be right below your HPOP resivor on the right lower side.Hope this helps.
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Originally Posted by rpaquette
Ok the IRP has a magnet cylinder on a shaft rod and that cylinder has a magnet on the back of it that registures a measurement to the injection system. That washer and nut holds that cylinder close to the base of the unit. Mine was missing the washer and nut all together, the only thing holding it to the unit was gummed up oil. I do not know the specifics but my mechanic at the international shop told me that they are nictorious of this problem. So I would check to make sure that the washer and nut are on there tight and also the electrical clip has no nicks or damage, make sure there is a good connection. The unit should be right below your HPOP resivor on the right lower side.Hope this helps.
I hope I can eventually find what you're talking about 'cause it sounds exactly like my problem. Thanks for all the help!
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NANTRUCKIT, its ok I say the same thing all the time pictures say a thousand words. I am at work so I can not show you a picture. You can call me and I will coach you through it. Or I can try my best to email you alot better description which ever you prefer.
Robert Paquette
Driver Operator WPG Fire Department
623-687-1055
Robert Paquette
Driver Operator WPG Fire Department
623-687-1055
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