1994 Honda Accord

Tiny
JOYED92
  • MEMBER
  • 1994 HONDA ACCORD
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 148,900 MILES
Hi, I toke my car to inspection, and the car fail inspection because the HC and CO% was too high. So what do you think I have to repair to solve the problem.
Tuesday, November 17th, 2009 AT 10:12 PM

4 Replies

Tiny
HONDA TECH 1818
  • MECHANIC
  • 536 POSTS
Need to clean out the EGR ports on the intake manifold and need a new catalytic converter.
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Wednesday, November 18th, 2009 AT 12:41 AM
Tiny
JOYED92
  • MEMBER
  • 28 POSTS
Thank You.
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Wednesday, November 18th, 2009 AT 1:30 PM
Tiny
JOYED92
  • MEMBER
  • 28 POSTS
I toke the car to inspection again today and it failed again because of the HC and CO% was too high. I changed the catalytic converter and clean out the EGR ports on the intake manifold, like you told me to do. So what can I do now. Please Help Me.
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Tuesday, December 15th, 2009 AT 10:13 PM
Tiny
HONDA TECH 1818
  • MECHANIC
  • 536 POSTS
When was the last time you had a tune up?
HC Failure is the result of incomplete combustion. Worn spark plugs, worn distributor cap and/or rotor, improper ignition timing, engine mechanical failure, low compression, worn valves, excessive oil consumption could cause high HC.
CO Failure is the result of an excessively rich air fuel mixture.
Defective Oxygen Sensor, leaking or defective Fuel Injectors, restricted air filter (especially if high CO is present only at high RPM), malfunctioning fuel evaporation system or purge valve, defective thermostat (cooling system), thermostat stuck open,
oil contaminated with fuel, excessive miles between oil changes
Did you ask the smog tech. What is causing to fail smog? What was the HC and CO% reading?
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Wednesday, December 16th, 2009 AT 1:17 AM

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