Question about 1985 Chevrolet Sprint

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Cant get the missfire out 87 chevy sprint turbo 3 cylender

The car sometimes runs good other times it has a missire because of that it wont pass smog

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I have a 91 chrysler laborn and need to get a diagram to put the serpentine belt back on can some one help me out thank you

Posted on Dec 13, 2008

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My 87 nissan pick up wont pass,its idling to fast,burning rich

Well I don't live in a state nor have I ever lived in a state that makes you do that ..but I would check for exhaust leaks ..and change or check o2 sensor ..but also search internet for sites or blogs with people with same make and model and can help you .good luck

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Does not pass smog at 25mph


CO =



The engine is running real bad.
this is a fact.
due failing with new cat.
scan it yet
and print on all sensors readings?

or ask you mechanic to do that, he knows how.

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Toyota Camry running rich Questions & Answers - Fixya > Forum > Tags > running rich > Cars & Trucks > Toyota
... running rich I have a 1991 Camry that is running rich. I just replaced the O2 sensor and a new cat, oil change, new spark plugs. The car wont pass smog. it is ...

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1992 Toyota Camry XLE V6 Excessive Running Rich ... 1997Toyota Camry V6 forward Oxygen (O2) Sensors .

Jan 11, 2016 | Toyota Cars & Trucks

1 Answer

Why wont pass smog? speedometer only works sometimes, could this be a factor?

Chances are its oxygen sensor dude speedo shouldnt do anything to that evan a gud flush and oilchange can help

Jul 28, 2014 | 1999 Subaru Legacy

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Problem not starting intermently

A fuel pump going out can cause this problem. Have you change the fuel filter latley? As far as a miss fire. You need to find out what cylender, It could be a coil pack acting up. If it missfires you should have a code.Autozone or O'reillys will check it for free

Feb 28, 2012 | Cars & Trucks

1 Answer

Smog results are hc-343/ sounds wrong with car drives great but is not passing smog

You need to take those numbers to a Technician that can read gas analyzst since the computor componsates for any missfires that occurs; however, there can be bad valve guides or rings if it is using oil. If it isn't using oil, it can be a lazy O2 sensor that can be letting the vehicle run rich at times. If any of this is going on, it will eventually kill your catalytic convertor which will cause you additional problems.

May 29, 2010 | 1996 Saturn SL

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Unable to pass smog test, what to do

You just have to drive it . If you have more than 3/4 of a tank of fuel in it so the evap will run. All the others will run after is has fully warmed up.

Sep 20, 2009 | 2001 Chevrolet Cavalier

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1987 chevy sprint 1.0 3 cylinder carb

bad work done on head gasket have to redo

Dec 03, 2008 | 1988 Chevrolet Sprint

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2002 Hyundai Sonata wont pass smog

CA you can take the car to a referree and get a one time waiver if you have spent a minimum of $450 on repairs not including smog fees. Gives you two years to get it fixed. Smog Referee Call Center
Toll Free: 1.800.622.7733
You can also sell the car to the state for "up to" $1,000

Aug 19, 2008 | Hyundai Motor 2002 Sonata

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