[BFix] SMOG Test

[TonyNokes at Freightliner.com]

OBD II  has built in emission system monitoring.  So, in theory if it is
not showing any code the emissions system is working correctly and your
tail pipe emissions will be within the allowable limits..
 
There are some sensors that can be defeated and not detected by OBD II
and the emissions inspections.  The guys tuning the later EFI systems
have a few work-a rounds....
 
Tony

________________________________

From: craig.schaefer at verizon.net [mailto:craig.schaefer at verizon.net] 
Sent: Monday, April 28, 2008 6:29 PM
To: Tony Nokes
Cc: bfix at broncofix.com
Subject: Re: [BFix] SMOG Test


Don't know what they're looking at when they just hook to the OBDII port
and let the engine's computer tell them what's going on.
I wonder why no one has tried to crack that angle??

	----- Original Message ----- 
	From: TonyNokes at Freightliner.com 
	To: NHieger at aol.com ; bfix at broncofix.com 
	Sent: Monday, April 28, 2008 11:21 AM
	Subject: RE: [BFix] SMOG Test

	Wow, you CA guys have it rough!   Our Oregon DEQ stations also
don't provide any advice but I have never had them look at the timing...
That is amazing they failed you for being only two degrees off!!!    You
are so close to passing I would think just a little more EGR would do
it.  I wonder if you can get an old EGR valve from the wrecking yard and
modify it a little so that it will leak a little at idle?
	 
	Tony
	 

	----------------------------------

	Anthony E. Nokes

	Compliance and Regulatory Affairs

	 

________________________________

	From: NHieger at aol.com [mailto:NHieger at aol.com] 
	Sent: Monday, April 28, 2008 11:04 AM
	To: Tony Nokes; bfix at broncofix.com
	Subject: Re: [BFix] SMOG Test
	
	
	
	Thanks for the advise Tony, However in Ca they have to check a
bunch of stuff including that the base timing is in the money. If the
timing is off at all you fail and are sent off to get it fixed. I don't
understand the thinking behind SMOG only test sites myself? but they
aren't even supposed to give you any information or help other than the
test results. A few years ago my 90 F150 failed only because the timing
was off about 2 deg. I had to take it home reset the timing and retest
and of course repay as well.
	 
	Norm
	 
	In a message dated 4/28/2008 9:56:17 AM Pacific Standard Time,
TonyNokes at Freightliner.com writes:

		
		You, can cheat a little by retarding the timing a little
and manually opening the EGR valve.  Both of these will reduce the NOX
levels.  If you retard the timing too far the HC will go up however...
Do the timing first as it is super easy, 5 degrees will probably do
it... 
		 
		Tony
		 

		----------------------------------

		Anthony E. Nokes

		Compliance and Regulatory Affairs

		 

	 



	
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