97 psd icp
Hotshot
Joined: Feb 2009
Posts: 10,408
Likes: 75
From: Plankinton, SD
You can plumb it in on the head, just remove a plug. Should be around 750 at idle, 550 or so cranking I believe, be nice to get some of the guys with a little more experience to tell you the pressures it should show for sure as rpm's increase.
If Chris pops back in this thread as he already has, he'd know for sure.
If Chris pops back in this thread as he already has, he'd know for sure.
Hotshot
Joined: Feb 2009
Posts: 10,408
Likes: 75
From: Plankinton, SD
WOT should be about 3000, that should get you started. Should just be a climb from the 750 up to the 3000. No set pressure really with a certain rpm. I did a little searching.
Leave the chip out if/when you test it.
Leave the chip out if/when you test it.
Fleet Owner
Joined: Aug 2004
Posts: 20,419
Likes: 197
From: AZ
I did a really crude test years ago. I got a gauge, some hose and hung the gauge out the hood at the crowe to read it. I tied the hood down and went for a ride. Boys and girls, don't try this at home, LOL
Hotshot
Joined: Feb 2009
Posts: 10,408
Likes: 75
From: Plankinton, SD
I may be off on the 750, 600 sounds about right. Guess I should look at my scan gauge and maybe pay attention at the same time. It's even set on the icp pressure 
Come on Glenn, that sounds like the perfect gauge setup!!!
Come on Glenn, that sounds like the perfect gauge setup!!!
Hotshot
Joined: Aug 2006
Posts: 10,764
Likes: 39
There are a few things that can set 1211..
I might start with verifying fuel pressure . (cheap test). Are you due for an oil change ? Is the C Case full ?
You may want to un plug the ICP sensor & see how it runs. It will still code but may run better ...
From the manual:
I might start with verifying fuel pressure . (cheap test). Are you due for an oil change ? Is the C Case full ?
You may want to un plug the ICP sensor & see how it runs. It will still code but may run better ...
From the manual:
DTC P1211 indicates that injection control pressure was above or below commanded desired pressure during self test mode.
Possible causes:
incorrect oil or viscosity
poor oil quality
gel fuel/no fuel
low fuel pressure
damaged IPR valve
high-pressure oil system leak
damaged high-pressure oil pump
damaged PCM
Verify correct oil quality/viscosity and correct fuel grade are being used for the temperature conditions.
Possible causes:
incorrect oil or viscosity
poor oil quality
gel fuel/no fuel
low fuel pressure
damaged IPR valve
high-pressure oil system leak
damaged high-pressure oil pump
damaged PCM
Verify correct oil quality/viscosity and correct fuel grade are being used for the temperature conditions.
Thread Starter
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Senior User
Joined: Jun 2006
Posts: 136
Likes: 0
From: Gaylord, Michigan
got a gauge to test fuel pressure, I'm going to try to do it in a little while, if it's not raining by then, I'll let you know what I find for pressure.
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Fleet Owner
Joined: Aug 2004
Posts: 20,419
Likes: 197
From: AZ
Perfect setup huh Darin. Reminded me of, can't remember for sure, was it the GTO that had a gauge on the hood in front of the driver? The thing was though after I got my reading I just set the gauge on the motor and the liquid filled gauge must not have liked the heat of the motor and it started to leak.
Thread Starter
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Senior User
Joined: Jun 2006
Posts: 136
Likes: 0
From: Gaylord, Michigan
Ok, gauge connected. @ 650psi at idle. Took it for a ride, it still accelerates like it sucked a chevy truck into the air intake! The highest reading I got was barely 1500psi! Any Ideas?