coolant temp sensor
Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
Well, it's definitely an air problem, IMHO. Either not enough with the AIS, or you have a boost leak. Boots or up-pipes. It could be that the stock early 99 turbo just doesn't move enough air for the Stage 2s. And these are Split-Shot injectors?? They use a lot more high pressure oil than singles or hybrids. And you have a 15* HPOP too. What code is on the top of the injectors, if you remember? Your stockers should've been ABs. Stock late split-shots are ADs I have AA code single-shots with B-code guts, and 100% over nozzles.
Thread Starter
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Senior User
Joined: Jul 2009
Posts: 246
Likes: 1
From: Lynnwood, WA
I have the adrenaline hpop so I should have plenty of oil pressure and according to my HPOP guage that keeps up just fine.
My injectors are modified ABs 80% over stock with no long lead injector.
I cut the hole in the AIS today and will see if that helps. I can also pull the vacuum line off the wastegate tomorrow, I know in the past that helped me get a couple extra lbs on the top end.
I wish I had done more research before buying these injectors. I think they are a thorn in my side. I asked for injectors that I can use with stock equipment and over the counter programmers. once I installed and had issues I found out this was not the best choice for me. I guess since they are still split shots they figured it would be fine with any programmer.
My injectors are modified ABs 80% over stock with no long lead injector.
I cut the hole in the AIS today and will see if that helps. I can also pull the vacuum line off the wastegate tomorrow, I know in the past that helped me get a couple extra lbs on the top end.
I wish I had done more research before buying these injectors. I think they are a thorn in my side. I asked for injectors that I can use with stock equipment and over the counter programmers. once I installed and had issues I found out this was not the best choice for me. I guess since they are still split shots they figured it would be fine with any programmer.
Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
Let us know how that works out. I'm curious if the extra hole helps. If not, you need to make sure you don't have boost leaks. If that's all good, then it's time to decide on turbo upgrades. You can drop a D66 right in there and it supports a bit over 400 rwhp. Easiest & cheapest upgrade. Otherwise, you're looking at swapping out a bunch of stuff to go with the later turbo options.
Post Fiend
Joined: Feb 2008
Posts: 10,977
Likes: 5
From: Lancaster, Pa.
Guys, just a quick hi-jack, speaking of the original question on coolant sensors, can you buy or do they make a coolant temp. gauge to fit in one off these coolant ports on my filtration setup?? Just wondering, would be nicve to just scre
w in and get your readings from under the hood or from a gauge inside the cab.. Thanks
w in and get your readings from under the hood or from a gauge inside the cab.. Thanks
Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
As long as they are the same threads as the port on the water pump, yes. In fact, I've seen sensors in the coolant filter housing. I think the setup on DieselSite shows one in there. Hang on, I'll go check...
Yep -- you can see it here:
Yep -- you can see it here:
Post Fiend
Joined: Feb 2008
Posts: 10,977
Likes: 5
From: Lancaster, Pa.
Is that the stock sensor plug thats pluged in there Joe or is that a seperate coolant gauge?? My stock one doesn't give me real numbers and want to get one to install in the Dieselsite and have its own gauge showing real numbers, temps, ect?? Thanks, you know what I mean??
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Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
The stock coolant sensor isn't affected by the coolant filter kit (no need to relocate it), so I would think that is an aftermarket sensor. I was planning on adding coolant temp onto my ScanGauge until I saw how effective monitoring oil temp is. I may still add oil pressure. Haven't decided yet.
Hotshot
Joined: Aug 2006
Posts: 10,764
Likes: 39
The black smoke is only one symptom. hard cold starts, loping for a second to many seconds after it starts. milage around 10 towing or not. pyro runs about 800 no load and hits 1200 fast when pulling a hill with my small trailer.
Post Fiend
Joined: Feb 2008
Posts: 10,977
Likes: 5
From: Lancaster, Pa.
The stock coolant sensor isn't affected by the coolant filter kit (no need to relocate it), so I would think that is an aftermarket sensor. I was planning on adding coolant temp onto my ScanGauge until I saw how effective monitoring oil temp is. I may still add oil pressure. Haven't decided yet.
Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
Yeah, that's a good point. But he says he's been watching his ICP and doesn't see any anomalies there. Still worth double-checking before tearing into injectors again.
Thread Starter
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Senior User
Joined: Jul 2009
Posts: 246
Likes: 1
From: Lynnwood, WA
The IPR was replaced witht he HPOP and the physical guage and the odb reading are the same but they do come from the same source.
I am not sure what you mean by smells bad. when I get below 40* and start the truck its like a rodeo and I will smoke out the neighbors house for about 10 seconds before all the cylinders start kicking in even.
I did the cylinder contribution test and it comes back ok.
My guess is an injector is leaking down either through the body or the o-rings. If the o-rings got pinched during install would that leave to leakdown in the cylinder does that washer on the base of the injector seal that up.
I tested my fuel pressure at the port on the passenger side head. It sat at 60lbs so it wouldn't appear that I have hpop pressure getting into that system.
I am not sure what you mean by smells bad. when I get below 40* and start the truck its like a rodeo and I will smoke out the neighbors house for about 10 seconds before all the cylinders start kicking in even.
I did the cylinder contribution test and it comes back ok.
My guess is an injector is leaking down either through the body or the o-rings. If the o-rings got pinched during install would that leave to leakdown in the cylinder does that washer on the base of the injector seal that up.
I tested my fuel pressure at the port on the passenger side head. It sat at 60lbs so it wouldn't appear that I have hpop pressure getting into that system.
Hotshot
Joined: Aug 2006
Posts: 10,764
Likes: 39
I am not sure what you mean by smells bad. when I get below 40* and start the truck its like a rodeo and I will smoke out the neighbors house for about 10 seconds before all the cylinders start kicking in even.
Hotshot
Joined: Aug 2006
Posts: 10,764
Likes: 39
You have a manual gauge as well , you can isolate the heads to check for leaks without pulling the covers or the injectors ..My ICP at idle is 650 ..500 is (IIRC) the bare minimum to start ...Have you looked at the ICP sensor ,looking for oil seeping from it ?...