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Smog Check & Emissions Questions and Answers

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Emissions Component
  Records 241 to 260 of 284
  Question Answered
  1984 Toyota Pickup. 2.4 L EGR valve question; failed smog check for high NOx.
by David   
Yes (1)
  2005 Nissan Frontier V6 - Is there a difference between a 49 State Legal CAT and a California Legal CAT?
by John   
Yes (1)
  1987 Volvo 240DL 2.3L automatic - Very high NOx. Has new CAT.
by jim   
Yes (1)
  1980 Ford F150 L6 manual engine. The guy at the smog shop abandoned the test due to, "Wrong carburetor"
by Daniel   
Yes (1)
  Should our 1976 GMC Pickup have a catalytic converter?
by Christina   
Yes (1)
  1989 Mitsubishi Galant. Failed smog check for high NO (PPM) emission. Max 559, Meas 635
by myrna   
Yes (1)
  1980 Chevy K10 350 engine change and smog pump problem.
by Joey   
Yes (1)
  1996 Isuzu Trooper, 3.2 litre V6. Has an OBD code of 401. How can I get this to pass smog?
by Keith   
Yes (1)
  2000 Mazda Miata "failed" test due to missing CA Air Resource number sticker. What next?
by Carol   
Yes (1)
  I have a 1990 Chevrolet 2500 without a smog pump.
by Nikalas   
Yes (1)
  Diagrams or smog parts needed for 1990 Chevy Silverado. 350 TBI
by Eric   
Yes (1)
  1990 Chevy Silverado C2500 5.7 TBI - Does it have a smog pump?
by Eric   
Yes (1)
  2000 Buick LeSabre - Water in Smog Air Pump
by Roy   
Yes (1)
  2001 Honda Accord 2.2 Liter. My car's ignition timing is off.
by raymond   
Yes (1)
  1975 chevy k10 truck
by matt   
Yes (1)
  2010 Nissan 370z Sports Touring Coupe - Smog Legal Aftermarket Exhaust Systems.
by Edwin   
Yes (1)
  1977 DODGE 1-TON CLASS C RV CHASSIS. ENGINE SWAP FROM DODGE 440 TO CHEVY 454. IS AIR PUMP REQUIRED FOR 1977 RV's???
by Vic   
Yes (1)
  1998 Toyota 4Runner SR5 Almost Failed HC. Why?
by Brian   
Yes (1)
  2004 Dodge Ram 5.7 with free flow exhaust and K&N air filter. Will it pass the smog check?
by D.   
Yes (1)
  Does a 1981 Chevy 3/4 ton pickup truck have a Catalytic Converter?
by Michael   
Yes (1)


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