Need guidence with codes
Thread Starter
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Laughing Gas
Joined: May 2012
Posts: 855
Likes: 5
From: Central Oregon
Need guidence with codes
Another great member of this forum over in the SD section was able to read my codes and this is what Im looking at
I have 2 of the same IDM codes. Im looking into buying a new IDM, but do you guys have any opinions on these.
p1316 IDM
p0603 PCM KAM Erorr
p1000 OBD rediness (stoping computer from full test??)
_______
p1316 IDM
I have 2 of the same IDM codes. Im looking into buying a new IDM, but do you guys have any opinions on these.
p1316 IDM
p0603 PCM KAM Erorr
p1000 OBD rediness (stoping computer from full test??)
_______
p1316 IDM
Thread Starter
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Laughing Gas
Joined: May 2012
Posts: 855
Likes: 5
From: Central Oregon
My IDM connections had corrosion on them, cleaned them did not solve the problem.
No blown fuses.
Truck seems likes Air is maybe in it or if it were running on 6 cylinders it sounds gnalry.
It really is not driveable, starts fairly easy.
We did not do a Injector buzz test.
Post Fiend
Joined: Dec 2009
Posts: 15,505
Likes: 18
From: Livoina,La
Ohm with a multimeter Not sure why my phone put ohmed
If you unplug the harness from the valve covers you can test the UVCH with a multimeter.
Glow plugs shouldn't be over 1.5
Injectors should be around 3.5
This is the layout of the pins
GP-I-G-I-GP
GP= glow plug
I= injector
G= ground
If you unplug the harness from the valve covers you can test the UVCH with a multimeter.
Glow plugs shouldn't be over 1.5
Injectors should be around 3.5
This is the layout of the pins
GP-I-G-I-GP
GP= glow plug
I= injector
G= ground
Hotshot
Joined: Jun 2007
Posts: 10,008
Likes: 7
From: Austin, TX
Ohm with a multimeter Not sure why my phone put ohmed
If you unplug the harness from the valve covers you can test the UVCH with a multimeter.
Glow plugs shouldn't be over 1.5
Injectors should be around 3.5
This is the layout of the pins
GP-I-I-G-I-I-GP
GP= glow plug
I= injector
G= ground
If you unplug the harness from the valve covers you can test the UVCH with a multimeter.
Glow plugs shouldn't be over 1.5
Injectors should be around 3.5
This is the layout of the pins
GP-I-I-G-I-I-GP
GP= glow plug
I= injector
G= ground
GP-I-G-I-GP..
OP, normally when the UVCHs melt down, it will be under the valve covers where you can't see them. I'd ohm test them all before pulling the valve covers to see if you can find which side is the culprit.
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Thread Starter
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Laughing Gas
Joined: May 2012
Posts: 855
Likes: 5
From: Central Oregon
Ohm with a multimeter Not sure why my phone put ohmed
If you unplug the harness from the valve covers you can test the UVCH with a multimeter.
Glow plugs shouldn't be over 1.5
Injectors should be around 3.5
This is the layout of the pins
GP-I-I-G-I-I-GP
GP= glow plug
I= injector
G= ground
If you unplug the harness from the valve covers you can test the UVCH with a multimeter.
Glow plugs shouldn't be over 1.5
Injectors should be around 3.5
This is the layout of the pins
GP-I-I-G-I-I-GP
GP= glow plug
I= injector
G= ground
I know this is a dumb question but electrical stuff is my downfall. I need to put the negative "prong" to a Ground. would the engine work?
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Lead Driver
Joined: Dec 2012
Posts: 7,877
Likes: 49
From: Tennessee
If the gasket connections are melted , you need to replace the gaskets and harness under them . You will likely need to repair the external plugs also . Ohm them out , or pull the valve covers and look for burnt/melted connections . Common nasty issue . I see it on both the double plug and single plug systems .I like the FoMoCo kits but have used some aftermarket kits with good results .
Post Fiend
Joined: Dec 2009
Posts: 15,505
Likes: 18
From: Livoina,La
Yeah I keep forgetting I swapped.
Post Fiend
Joined: Dec 2009
Posts: 15,505
Likes: 18
From: Livoina,La
Not sure what you're asking
Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
Yes, just make sure it's bare metal and not covered in gunk or paint. One of the bolts holding on the ac or alternator will work too. Or the negative post of the battery.
Elder User
Joined: Sep 2012
Posts: 611
Likes: 0
From: Smokey Mountains TN
Ohm is a value for electrical resistant.The higher the Value, the Higher the restriction. Kinda like this: Ford downpipe has a high restriction on the exhaust,therefore, the engine does not work as good. change it to a 3” round downpipe, with less restriction, you get more power.
Same with the electrical. High restriction, ie due to burned connectors, do not allow as much power to the injectors, therfore you have problems with running.
anyway, you need to measure also between the ground and the power cable. This link should help to troubleshoot the system
GB Remanufacturing - Tech Bulletin #103
Same with the electrical. High restriction, ie due to burned connectors, do not allow as much power to the injectors, therfore you have problems with running.
anyway, you need to measure also between the ground and the power cable. This link should help to troubleshoot the system
GB Remanufacturing - Tech Bulletin #103
Elder User
Joined: Sep 2012
Posts: 611
Likes: 0
From: Smokey Mountains TN
Thread Starter
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Laughing Gas
Joined: May 2012
Posts: 855
Likes: 5
From: Central Oregon
So tell me if I did this wrong.
I received NO readings on my multimeter from any of the ports on the valve covers.
On the passenger side pigtail, the only reading I got was 2 on the grounds.
On the drivers side pigtail, the only reading I got was 4 on the grounds as well.
So it sounds like my harness is bad?
I received NO readings on my multimeter from any of the ports on the valve covers.
On the passenger side pigtail, the only reading I got was 2 on the grounds.
On the drivers side pigtail, the only reading I got was 4 on the grounds as well.
So it sounds like my harness is bad?
Last edited by pilgrimbizket; Jul 31, 2013 at 08:57 PM. Reason: mis read my multimeter