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Failed Smog Test
 

1984 Honda Accord automatic, 1.8 liter, failed smog check for HC.

What can I do? My Honda produced HC ppm parts per million measured at 233 15 mph and 235 ppm on 25 mph and failed the smog test. How can I lower my Honda's HC?

Answer:  

Lowering the HC ppm on your 1984 Honda Accord will depend on why the HC ppm was high during the smog check. Was it high because of bad ignition spark, lack of fuel, too much fuel, low compression? There are many problems which would cause your Honda Accord to produce high HC. The most common is ignition timing, spark plugs, spark plug wires, but again without knowing the rest of the emission numbers such as CO and No, there is no way to determine what's causing your Honda's high HC. We recommend having a smog check repair station perform a hands on diagnose. In the mean time if you want to have one of our smog technicians look over your Honda's failed smog check repaort follow this link:

 

http://www.smogtips.com/smog_evaluations.cfm


posted by SmogTips Support
 


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