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Smog Check & Emissions Questions and Answers

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Emissions Component
  Records 241 to 260 of 285
  Question Answered
  1986 Isuzu Trooper II, 4x4, with a replaced Catalytic Converter.
by rob    08-08-2011 11:03 PM
Yes (1)
  1984 Toyota Pickup. 2.4 L EGR valve question; failed smog check for high NOx.
by David    08-07-2011 10:24 AM
Yes (1)
  2005 Nissan Frontier V6 - Is there a difference between a 49 State Legal CAT and a California Legal CAT?
by John    07-08-2011 12:09 PM
Yes (1)
  1987 Volvo 240DL 2.3L automatic - Very high NOx. Has new CAT.
by jim    07-07-2011 06:21 PM
Yes (1)
  1980 Ford F150 L6 manual engine. The guy at the smog shop abandoned the test due to, "Wrong carburetor"
by Daniel    06-15-2011 06:29 AM
Yes (1)
  Should our 1976 GMC Pickup have a catalytic converter?
by Christina    05-22-2011 05:13 PM
Yes (1)
  1989 Mitsubishi Galant. Failed smog check for high NO (PPM) emission. Max 559, Meas 635
by myrna    05-21-2011 06:50 PM
Yes (1)
  1980 Chevy K10 350 engine change and smog pump problem.
by Joey    05-02-2011 12:13 PM
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    03-31-2011 06:16 PM
Yes (1)
  2000 Mazda Miata "failed" test due to missing CA Air Resource number sticker. What next?
by Carol    03-21-2011 04:22 PM
Yes (1)
  I have a 1990 Chevrolet 2500 without a smog pump.
by Nikalas    02-22-2011 12:27 PM
Yes (1)
  Diagrams or smog parts needed for 1990 Chevy Silverado. 350 TBI
by Eric    02-02-2011 09:16 PM
Yes (1)
  1990 Chevy Silverado C2500 5.7 TBI - Does it have a smog pump?
by Eric    01-26-2011 09:32 PM
Yes (1)
  2000 Buick LeSabre - Water in Smog Air Pump
by Roy    01-20-2011 11:53 AM
Yes (1)
  2001 Honda Accord 2.2 Liter. My car's ignition timing is off.
by raymond    01-19-2011 12:18 PM
Yes (1)
  1975 chevy k10 truck
by matt    01-18-2011 04:33 PM
Yes (1)
  2010 Nissan 370z Sports Touring Coupe - Smog Legal Aftermarket Exhaust Systems.
by Edwin    01-02-2011 06:37 PM
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    01-02-2011 05:05 AM
Yes (1)
  1998 Toyota 4Runner SR5 Almost Failed HC. Why?
by Brian    12-27-2010 07:18 PM
Yes (1)
  2004 Dodge Ram 5.7 with free flow exhaust and K&N air filter. Will it pass the smog check?
by D.    12-22-2010 08:44 AM
Yes (1)


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