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Smog Check & Emissions Questions and Answers

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Failed Smog Test
  Question Answered
  1996 Mitsubishi Montero failed OBBD II on board readiness tests
by Bill    
Yes (1)
  Failed MIL/CHECK ENGINE LIGHT 1998 Dodge Ram 1500 Van OBD II conection problem
by Mavis    
Yes (1)
  1995 Chevrolet Camaro Z28 failed smog test for high NO (PPM) why?
by Armando    
Yes (1)
  1985 Honda Civic CRX did not pass the CA smog test with many repairs
by James Daniel    
Yes (1)
  1990 Chevy Corvette failed smog test for high NOx for the first time since new!
by tal    
Yes (1)
  1997 Chrysler Sebring recently had battery disconnected, failed Smog test due to Malfunction Indicator Lamp. How to Drive it?
by Natalie    
Yes (1)
  1984 Chevy 1/2 Ton Truck failed NOx (ppm), why?
by Bill    
Yes (1)
  1985 McLaren 5.0L engine (mercury capri prototype) failed the smog check and was labeled as Gross Polluter
by Jenny    
Yes (1)
  1996 Dodge Stratus ES failed NOx at 15MPH, everything else passed, rpm during 15mph was usually high. Why?
by Steve    
Yes (1)
  1993 Chevy Suburban 5.7L Is ignition timing 0 or 8 degrees BTDC?
by sam    
Yes (1)





 

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