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OhmanSWE
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Sweden
Joined
May 2, 2024
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Aug 16, 2024
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OhmanSWE
reacted to
1990Z71Swede's post
in the thread
How do u adjust the fuel/air mix on a L31 350 5.7l vortec.
with
Like
.
I'm here. I'm going by the Occam's razor theory ;) when I suggest Spider injector or regulator is leaking. Also, ye olde Coolant temp...
Aug 16, 2024
OhmanSWE
reacted to
1998_K1500_Sub's post
in the thread
How do u adjust the fuel/air mix on a L31 350 5.7l vortec.
with
Like
.
You need to access the ECU so that you can acquire some data. If you need to know how to do this, please ask. I think you need to...
Aug 16, 2024
OhmanSWE
replied to the thread
How do u adjust the fuel/air mix on a L31 350 5.7l vortec.
.
The only thing thats is not orginal is that its no mufflers and ofc the airfilter. But I dont have any leaks on the exhuast.
Aug 14, 2024
OhmanSWE
replied to the thread
How do u adjust the fuel/air mix on a L31 350 5.7l vortec.
.
Yes i have both 02 sensors and catalytic converter. Some black smoke and full of fuel on sparkplugs.
Aug 14, 2024
OhmanSWE
replied to the thread
How do u adjust the fuel/air mix on a L31 350 5.7l vortec.
.
Yes its ”exsist” but no codes no engine light everything else is no problem.
Aug 14, 2024
OhmanSWE
reacted to
xXxPARAGONxXx's post
in the thread
How do u adjust the fuel/air mix on a L31 350 5.7l vortec.
with
Like
.
Well, do you have a Check Engine Light, i.e. stored Diagnostic Trouble Codes (DTCs)?
Aug 14, 2024
OhmanSWE
replied to the thread
How do u adjust the fuel/air mix on a L31 350 5.7l vortec.
.
Its running to rich.
Aug 14, 2024
OhmanSWE
replied to the thread
How do u adjust the fuel/air mix on a L31 350 5.7l vortec.
.
Thanks for the info. Yes i have both 02 sensors and catalytic converter. The engine is running to rich, so i just want to adjust it down...
Aug 14, 2024
OhmanSWE
reacted to
1998_K1500_Sub's post
in the thread
How do u adjust the fuel/air mix on a L31 350 5.7l vortec.
with
Like
.
What’s your objective? There are some AFR parameters that can be “tuned” to influence the relatively brief operating periods when the...
Aug 14, 2024
OhmanSWE
reacted to
Orpedcrow's post
in the thread
How do u adjust the fuel/air mix on a L31 350 5.7l vortec.
with
Like
.
yes, the 0411 gets its name from the last 4 digits of its service number! And the black box is just a black-box :anitoof:
Aug 14, 2024
OhmanSWE
replied to the thread
How do u adjust the fuel/air mix on a L31 350 5.7l vortec.
.
@Orpedcrow Hello! Thanks for the pics! Really helpful! How do i now if its the 0411 ecm? Is there any type of marking on the box? I...
Aug 14, 2024
OhmanSWE
reacted to
Orpedcrow's post
in the thread
How do u adjust the fuel/air mix on a L31 350 5.7l vortec.
with
Like
.
Cool caddy! 1997 /should/ have the mpfi “spider injection”. Here is a picture of my vortec for reference. The aluminum piece on top...
Aug 14, 2024
OhmanSWE
reacted to
CumminsFever's post
in the thread
How do u adjust the fuel/air mix on a L31 350 5.7l vortec.
with
Like
.
Do you know what ecm (computer) was used? What I'm getting at is, it will need tuning to make adjustments, and it may be helpful to know...
Aug 13, 2024
OhmanSWE
replied to the thread
How do u adjust the fuel/air mix on a L31 350 5.7l vortec.
.
But with that said it does not have any ”adjustment screws” on the tbi ”carb”? ( dont know the names in english sorry) To clarify im...
Aug 13, 2024
OhmanSWE
replied to the thread
How do u adjust the fuel/air mix on a L31 350 5.7l vortec.
.
Yes. The motor , all the electronic and ecm is from a chevrolet express van 1997. Okey so i need to go in with my computer then.. I have...
Aug 13, 2024
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