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Author
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Topic: Smog Help (acceleration violation)
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Wolfie351
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Member # 651
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posted
 
 
So I go down to the test only place, pay for a pre-test and everything goes good. Visual pass, tailpipe pass. Then they go do the "real" test and they said they kept getting an acceleration violation on their computer. They couldn't explain to me what that is and just shrugged their shoulders and failed me. The good thing, they didn't charge me for it. But, does anyone have an idea WTF that is???
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1985 Mustang GT: 351W, Griggs, Baer, etc etc
Posts: 1214 | From: South Bay | Registered: Dec 2001
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Quick 88LX
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Member # 1950
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posted
It's when your car is being smog tested under load to simulate normal driving conditions. Passing the other two is easy and therefore, being that we all live in the great state of CA, we must now pass the new test also. Unless of course you live in a county that is exempt.
Posts: 1785 | From: Fairfield, CA/Okinawa, Japan | Registered: Oct 2002
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Wolfie351
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Member # 651
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posted
It was on the rollers for both the pre-test and actual test
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1985 Mustang GT: 351W, Griggs, Baer, etc etc
Posts: 1214 | From: South Bay | Registered: Dec 2001
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92coupe
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Member # 1957
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posted
the pretest is pretty similar to the real test. ive done a few at school but i have no clue what that means.
Justin
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94-GT BLOWN & STROKED
Posts: 1209 | From: antioch | Registered: Oct 2002
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Wolfie351
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Member # 651
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posted
Guess I didn't really make myself clear, I'm asking what does "acceleration violation" mean in terms of a smog test failure.
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1985 Mustang GT: 351W, Griggs, Baer, etc etc
Posts: 1214 | From: South Bay | Registered: Dec 2001
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Blind
2.3L
CAFords OG
Member # 3052
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posted
never heard of it and I failed everything possible with my car on 12 pre-tests last year...
I'd try another smog place?
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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JohnB
Tech Moderator
Member # 969
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posted
Clicky
Read up on this. Sure looks to me it's the techs fault...
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1965 Shelby Cobra
1993 Cobra
2012 F150 Raptor
2020 GT500
Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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AJBlackGT
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Member # 3936
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posted
quote:
Originally posted by JohnB:
Clicky
Read up on this. Sure looks to me it's the techs fault...
I know the guy who smoged my car real well and have seen him do mine and a few other on the dyno. The tech has to control the rpm and keep it within a certain speed or else the test won't work, pretty much just like it says in the article. I would go to a smog tech who knows what they are doing. ![[patriot]](graemlins/patriot.gif)
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90 Notch
Posts: 1896 | From: Sacramento | Registered: Dec 2003
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Wolfie351
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Member # 651
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posted
quote:
Originally posted by AJBlackGT:
quote:
Originally posted by JohnB:
Clicky
Read up on this. Sure looks to me it's the techs fault...
I would go to a smog tech who knows what they are doing.
If I took it to a smog tech who knew what they were doing, then I'd fail the visual! ![[Big Grin]](biggrin.gif) The place I went to today didn't even open my hood.
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1985 Mustang GT: 351W, Griggs, Baer, etc etc
Posts: 1214 | From: South Bay | Registered: Dec 2001
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Blind
2.3L
CAFords OG
Member # 3052
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posted
quote:
Originally posted by Wolfie351:
quote:
Originally posted by AJBlackGT:
quote:
Originally posted by JohnB:
Clicky
Read up on this. Sure looks to me it's the techs fault...
I would go to a smog tech who knows what they are doing.
If I took it to a smog tech who knew what they were doing, then I'd fail the visual! The place I went to today didn't even open my hood.
lol, details...details...
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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Jimbo
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Member # 1456
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posted
An "accel violation" is when the tech cant get the car to stabilize on the dyno(sometimes extra tough when the car has a lopey cam, sticky/stiff throttle operation, etc) quick enough, the machine usually gives you a few "do overs" before it kicks you out of the test. Sounds like he was able to tame the throttle on the pre-test but blew it on the real test, not much you can do, he could have run the test again but that was up to him. Your car technically didnt fail the test, it just wasnt completed. I would guess he doesnt want to try to run the car again, maybe you'll get lucky and find somebody else that wont notice the 351 under the hood. hope this helps, good luck
Posts: 352 | From: Castro Valley,CA | Registered: Jun 2002
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green_fow_six
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Member # 6063
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posted
Yup, same thing happened to me. Kept having accel violations. The tech had to retest it about 5 times hahah, finally got it to pass. He felt that it was my different gear ratio (3.73) that made it hard for him to complete the test.
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96 GT w/FMS Eaton M112 blower, 01 PI engine, SCT Tuned, Snow Performance Boost Cooler, 3.73 Gears, Saleen suspension, Hans Subframes, and much more.
Posts: 19 | From: Martinez, CA | Registered: Sep 2005
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