Duramax Diesels Forum Truck of the Week
  #16  
Old 07-07-2017, 06:29 PM
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Cant you just go to another shop and try again? Could've been operator error.


Sorry, we dont have inspections here in Mich so I dont know otherwise.
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  #17  
Old 07-07-2017, 06:35 PM
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Quote:
Originally Posted by THEFERMANATOR View Post
I know in Cali a couple of people failed because they had dsp5 tunes. When they hooked up the scanner, it read a custom OS and not a factory calibration number. They had to flash in a stock single tune file, disable the dtc's, drive it for 20 miles or so for the obd2 tests to run and say so, and then they got passed.
DSP5 changes the calibration is the issue. Single tunes pass no problems.
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  #18  
Old 07-07-2017, 06:36 PM
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Quote:
Originally Posted by TheBac View Post
Cant you just go to another shop and try again? Could've been operator error.


Sorry, we dont have inspections here in Mich so I dont know otherwise.
Unfortunately in MA random trucks coming up with anything not supported when plugged are red flagged to inspected by the state. I stopped doing any emmissions fixing last year due to this problem it's just not worth it. Some trucks get through some get red flagged.
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  #19  
Old 07-07-2017, 06:49 PM
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Quote:
Originally Posted by THEFERMANATOR View Post
I know in Cali a couple of people failed because they had dsp5 tunes. When they hooked up the scanner, it read a custom OS and not a factory calibration number. They had to flash in a stock single tune file, disable the dtc's, drive it for 20 miles or so for the obd2 tests to run and say so, and then they got passed.
Weird, on my 04 LB7 i have a DSP 5 tune and no issue with passing smog
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  #20  
Old 07-07-2017, 07:12 PM
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are these standards throughout the state? I know i can go to an upstate ny shop and get my truck a safety only inspection and x amount of days to get an emissions test in downstate ny that literally never expires. This is a loophole i was told about at my inspection certification course.
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  #21  
Old 07-07-2017, 07:13 PM
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Return to stock or "shop around" is my advice
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  #22  
Old 07-07-2017, 07:54 PM
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My advice is to go to a small shop and bring cash. May be shady but it seems to work for me.
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  #23  
Old 07-07-2017, 08:33 PM
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Quote:
Originally Posted by 2004LB7 View Post
Weird, on my 04 LB7 i have a DSP 5 tune and no issue with passing smog
The smog shop was still on the old equipment. It won't pass smog on the new equipment.
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  #24  
Old 07-07-2017, 09:14 PM
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I am pretty sure that they already have updated their equipment but not positive. I remember talking about it to the technician and he said he had to recently upgrade his system, it was much smaller and simpler but had some limitations his older system didn't have but did everything the EPA and CARB wanted
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  #25  
Old 07-07-2017, 10:49 PM
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Quote:
Originally Posted by 2004LB7 View Post
I am pretty sure that they already have updated their equipment but not positive. I remember talking about it to the technician and he said he had to recently upgrade his system, it was much smaller and simpler but had some limitations his older system didn't have but did everything the EPA and CARB wanted
I believe the new equipment is call the smog dad and it knows the calibrations and what smog monitors the vehicle is supposed to have
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  #26  
Old 07-08-2017, 04:48 AM
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Unfortunately I have to go see a state verified or state run inspection station. Score I can do anything else. There like 12 in mass. I'm really at the point where I'm so sick of the bs in this state that I'm really considering selling it or trading it in. Going to take a huge hit. It don't we always.
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  #27  
Old 07-08-2017, 04:58 AM
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"Live Free or Die" unless you have a modded diesel truck.
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  #28  
Old 07-08-2017, 05:12 AM
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I'm in communistachusetts/ taxachusetts
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  #29  
Old 07-08-2017, 05:21 AM
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I assume that phrase isn't on the license plates anymore?

Is there possibly a way around it with tuning?
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  #30  
Old 07-08-2017, 05:37 AM
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Quote:
Originally Posted by DMAXchris View Post
I assume that phrase isn't on the license plates anymore?

Is there possibly a way around it with tuning?
that phrase is on New Hampshire plates. In MA we just die and pay estate taxes.
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Last edited by TROJAN366; 07-08-2017 at 05:58 AM.
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