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  • California Smog Test

    The other day I was at my uncle's smog shop and they were all playing with this new machine. Except this machine didn't hook up to the engine or the exhaust pipes. This machined replaces your gas cap and checks your gas tank! I didn't stick around long enough for details but I think it just checks for leaks. Apparently this testing is only for pre 95 cars. Although probably not a big deal, I'm sure it'll add to the time and cost to smog our cars.

    88 M3 - LACHSSILBER/M TECH
    89 M3 - ALPINEWEISS II/SCHWARZ
    89 M3 - SEPANG BRONZE/SCHWARZ
    91 M TECHNIC TURBO - MACAOBLAU/M TECH



  • #2
    Since I moved to CA earlier this year I had a smog back in May or June and they did this test. The car passed fine but was interesting to see how much they worry about the gas caps here in CA.

    The gas station nozzles fit specially to your car when filling up and it took a while to figure out how to work this as the nozzle has to hook in at a certain angle.
    Petro

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    • #3
      Were is your uncles shop? I am having a little problem smogging my 99 M3 and failed on Saturday.
      Dan

      88 M3
      Black on Black

      San Diego, CA
      USA

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      • #4
        The "New Machine" is a Low Pressure Fuel Evaporative Tester (LPFET) and only applies to pre OBD II, (CA is using 95 as the cut off date as 96 still has some stragglers non compliant with OBD II). It connects to the filler neck of you vehicle and performs a leak check of the EVAP system. The test goes like this…..First the line from the fuel tank to the charcoal is crimped so that the EVAP system is sealed, the machine is connected to the filler neck, then the vehicles EVAP system is pressurized to 14 inH2O using nitrogen. With the system pressurized, the tester runs some very complicated algorithms to determine the actual leak in the system. The tester fails any leak larger than .040". Anyway, this new test and equipment lies close to my heart and I thought I would put the correct info out before the rumor mill started. Additional info can be found at the following link.

        http://smogcheck.ca.gov/stdPage.asp?...umer/lpfet.htm

        kevin

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        • #5
          Originally posted by xsmotor View Post
          The "New Machine" is a Low Pressure Fuel Evaporative Tester (LPFET) and only applies to pre OBD II, (CA is using 95 as the cut off date as 96 still has some stragglers non compliant with OBD II). It connects to the filler neck of you vehicle and performs a leak check of the EVAP system. The test goes like this…..First the line from the fuel tank to the charcoal is crimped so that the EVAP system is sealed, the machine is connected to the filler neck, then the vehicles EVAP system is pressurized to 14 inH2O using nitrogen. With the system pressurized, the tester runs some very complicated algorithms to determine the actual leak in the system. The tester fails any leak larger than .040". Anyway, this new test and equipment lies close to my heart and I thought I would put the correct info out before the rumor mill started. Additional info can be found at the following link.

          http://smogcheck.ca.gov/stdPage.asp?...umer/lpfet.htm

          kevin
          Is this going to make it more difficult to pass modified cars or is going to be basically the same?
          1986 Mercedes 190e 2.3-16 Cosworth: http://www.youtube.com/watch?v=-JNJ-qVPBkU

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          • #6
            They are testing whether or not your gas cap is leaking. If it is, you have to buy a new cap. That is about it.

            2.5 L track car (284/276, 11.25:1, Stage III head, Alpha-N, DTM CF manifold, Sport EVO header, etc) and a 2.6 L street car (276/264, 11:1, Sub-box in the trunk).

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            • #7
              yeah its a really simple test, and that would be the last worry on my list to fail. I'd be far more worried about the exhaust sniff and the visual
              ApexRaceParts.com - Facebook Fan Page - Twitter

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              • #8
                They do the same thing here in CT, but not in NY
                "It is needless to say that self-propelling vehicles, like other machines, will never do as much for one who does not understand them as for one who does."

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                • #9
                  Yeah it is the EVAP tester, effective Dec 1, 2007 not to be confused with just the cap pressure test... basically it is for pre 1996 cars (1976-1995) with OBD I to test for leaks between the gas tank and carbon canister. The cap test is different but you can fail because of that too... which is stupid. But some cars including our BMW's are exempt so don't worry, I will check tomorrow... due to the placement of the carbon canister and some of the EVAP equipment... more BS to try and get rid of older cars like the roadside sniffers & make more $$$ for the state.

                  If your mods include getting rid of the c.c. you may have a problem with visual... I doubt it though on our cars, they don't require shops especially Test Only to do ANY "work" on cars. So removing panels etc. to check stuff would be contrary to the licensing... hence the exemption of certain cars.
                  Last edited by ///schwartzman; 12-09-2007, 07:56 PM.
                  Rich!

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                  • #10
                    Kevin, or anyone who really knows....

                    What is the intent of these ever more stringent CA emissions laws? Is part of the strategy really to harass owners of older cars into retiring them? It kind of pisses me off, because up until a year or so ago weren't vehicles like diesel trucks totally unregulated with regard to emissions?

                    I am all in favor of clean air, but any car that can pass the current smog laws is running pretty damn clean already. Older cars other than enthusiast models will be retired anyway with the existing smog laws and simple economics. I cannot believe there are enough owners of older muscle cars and cars such as ours to significantly contribute to the smog problem. And I also think certain commercial trucks will pollute more in a day than my car has in its entire life.... But the trucking industry of course has enough cash to spread around the whores in California State government to make certain their interests are looked after.....

                    Admittedly I am speaking from a position of some ignorance on the subject of California smog law, but I see a consistent pattern of hypocracy and a pseudo-socialist bias against the individual ownership of private vehicles in this state. Not that it is backed up by any real principles of course. Ultimately money decides everything.

                    I got to get out of this fucked up state.
                    Last edited by Ironhead; 12-09-2007, 08:24 PM.

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                    • #11
                      You don't need any help understanding it... it is all about the money. Yes, CA is a progressive eco-state but it is a money making machine. The damn EVAP machine runs between $3500-$5K depending on who you get it through and even Pep-Boys is calling trying to sell them... then there's the warranty packages... the costs are then passed on, and if you were not registered by Dec 1, your site license would be put on hold = no smogs. Check the new laws that are going into effect in Jan. and the proposed bills re: old vehicles, smog pollution, even commercial diesels are going to be regulated... but not as soon as consumer vehicles with smaller pockets to pick. Hey NV or MT is a good alternative
                      Damn thing takes 8 minutes longer to do the F'in smog! Waste of time and money... Wait til you get flagged by a roadside sniffer and put on the volunteer smog program... the state will pay for up to $500 of repairs to get your vehicle in compliance or $1000 to buy the vehicle for scrap... and oh yeah there is a catch.
                      Rich!

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                      • #12
                        Jesus.


                        Mariano

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                        • #13
                          Bought my first E30 M3 last month, and had to go through the usual California DMV title change.

                          Took my car in for a smog check, and surprise...the guy doing the testing said I didn't have to fork out the extra dough for the EVAP test 'cause BMWs and Mercedes don't need to go through it.

                          Oh, and my M3 passed the smog test.


                          Steve
                          www.s-e-design.com
                          Steve
                          www.s-e-design.com

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                          • #14
                            BMW and Mercedes don't need to go thru it???

                            88 M3 - LACHSSILBER/M TECH
                            89 M3 - ALPINEWEISS II/SCHWARZ
                            89 M3 - SEPANG BRONZE/SCHWARZ
                            91 M TECHNIC TURBO - MACAOBLAU/M TECH


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                            • #15
                              California Emissions rules are a pain! I always here about it here in jersey but never understood all the tests..

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