Problems AGAIN!!!
Post Fiend
Joined: Sep 2003
Posts: 6,096
Likes: 26
From: Mesa AZ
My AE has never been able to read ECT. It just rolls along like an odometer and at some point it starts over again. I wouldn't put too much faith in the ECT value that AE shows...
Post Fiend
Joined: Nov 2007
Posts: 9,549
Likes: 14
From: Payson, AZ
At one time I had 4 IPR solenoids and couldn't help but measure the resistance on their windings. Each one read differently but were between 10.2
to 10.6 ohms. If the reading was 10.4 it was a steady 10.4. A friend had a rough idle. When he ohmed out the solenoid it would range between
10.0 and 10.8. He installed one of my spares and his idle smoothed out. The solenoid is controlled by a 400 hertz signal and if the winding is not
consistent it can't hold the needle in the IPR steady. Hence the rough idle.
Good point about possibly going open due to high heat.
Post Fiend
Joined: Nov 2007
Posts: 9,549
Likes: 14
From: Payson, AZ
The comparison I made on my truck was actually between the EOT on AE and my aftermarket coolant temp gauge.
By the way, good catch on having to re-enter the code to get "Enhanced Powetrain"
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Posting Guru
Joined: Feb 2007
Posts: 1,244
Likes: 1
From: North Cackalacky
Think I have her fixed fella's. I went ahead and picked up an IPR today so when I got home I ohm'd my original and then the new one. 192 old, 10.2 new.
Put it in and the trucks been running for more than 30 minutes now.
New one cost me $186.10 with taxes. What really sucks is the air flow meter on my Maxima went out today as well. $200 for an aftermarket one. Time to scrounge up some side work.
Thanks for all the help guys.
Put it in and the trucks been running for more than 30 minutes now.
New one cost me $186.10 with taxes. What really sucks is the air flow meter on my Maxima went out today as well. $200 for an aftermarket one. Time to scrounge up some side work.
Thanks for all the help guys.
Post Fiend
Joined: Nov 2007
Posts: 9,549
Likes: 14
From: Payson, AZ
Bad solenoid strikes again.
Thanks for the update and glad you're up and running.
You were rght on in your post #15.
Thanks for the update and glad you're up and running.
You were rght on in your post #15.
Posting Guru
Joined: May 2007
Posts: 1,967
Likes: 0
From: Bowling Green, Kentucky
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Post Fiend
Joined: Nov 2007
Posts: 9,549
Likes: 14
From: Payson, AZ
I keep a couple of solenoids because it can be just the solenoid as often as the IPR. As in Darrell's case it was the solenoid that was bad and not the IPR.
Posting Guru
Joined: Jan 2007
Posts: 2,364
Likes: 3
From: Gilbert Az.
I just make it a point to replace them as a unit, I have noticed that by the time the coil is giving trouble the shaft is usually showing that discoloration and the valve shaft almost always seems to have a little drag when that appears! Just a little luxury of working on fleet trucks is I always got the say on what got fixed and what parts went on! Down time is more expensive than OEM parts and complete repairs
Jim & fat Monty
Jim & fat Monty
Post Fiend
Joined: Nov 2007
Posts: 9,549
Likes: 14
From: Payson, AZ
I just make it a point to replace them as a unit,
I have noticed that by the time the coil is giving trouble the shaft is usually showing that discoloration and the valve shaft almost always seems to have a little drag when that appears!
Just a little luxury of working on fleet trucks is I always got the say on what got fixed and what parts went on! Down time is more expensive than OEM parts and complete repairs
Jim & fat Monty
I have noticed that by the time the coil is giving trouble the shaft is usually showing that discoloration and the valve shaft almost always seems to have a little drag when that appears!
Just a little luxury of working on fleet trucks is I always got the say on what got fixed and what parts went on! Down time is more expensive than OEM parts and complete repairs
Jim & fat Monty
You have taught me something new. The fleet I keep running totals one truck, my own.
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KPMariner05
1999 - 2016 Super Duty
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Jul 25, 2007 05:38 PM