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Old 19 May 2010, 12:01 pm
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Default how do you lower the hc emmisions rating on an acura?

the vehicle is a 1988 Acura integra ls and we recently replaced the catalytic converter, but the hydro-carbon rating is still too high to pass emissions in my area, any suggestions?















the car has 187,00 miles on it and ive already changed the oil, oil filter, air filter, fuel, fuel pump, fuel filter, and o2 sensor.















what is a bottle of heat???
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Old 19 May 2010, 12:16 pm
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Change the oil, oil filter and air filter, then get a bottle of heat. put the entire bottle of heat in and fill the tank with perimuim fuel. It will pass.
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Old 19 May 2010, 12:31 pm
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Change the air filter and get a tune-up (spark plugs, ect). If it is a high mileage engine some of the problem may be caused from worn internal engine parts.































You had to replace the converter....you may want to get the fuel system and injectors cleaned / serviced as well as it may be over fueling the engine.
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Old 19 May 2010, 12:46 pm
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high hc but everything passed meaning ur having a misfire















get new spark plugs (also make sure its correct gap)















new spark plug wires















new distributor rotor and cap















and also make sure timing is correct















will cost you about $50















will lower ur hc emission if u dont believe it
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Old 19 May 2010, 01:01 pm
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Pouring in 'heat' into your tank may get you past one test, but depending on your area, e-Test information can show that there's something unusual going on. HC emissions need to be fixed before they get worse because you could still find yourself with an expensive ticket if the HC starts showing-up as visible emissions.































Could be a few things, possibly worn piston rings. A new cat certainly wouldn't hurt.
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