Skip the auto shop - Our mechanics make house calls

Q: Vehicle having a hard time passing smog check.

asked by on

My 98 Honda Prelude won't pass a smog check. While I have taken a few steps to pass, as of yet I have not. This includes replacing the catalytic converter. One problem is that the Check Engine Light is always on. I need help in getting my vehicle in a good enough shape to pass the smog check.

The first thing to do would be to see what the failures are. The Check Engine light would have to be scanned to see why it is on and address the codes. Then once the light codes are fixed then the emissions can be checked again. I would recommend having a mechanic, like the certified ones at YourMechanic, come and check it out for you to see what is causing the problem.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: i can start my vehicle just fine, i can press in the clutch and put it into gear problem is, it doesn't engage

It is very possible that your cluthes slave cylinder could be the cause of this issue. It is also possible that the clutch itself is worn out. Clutches are made of the same material as brake pads and therefore have...

Q: The car wont go over 4000 rpms

Hi there. This sounds like the engine timing is off. Check the camshaft sensor and crankshaft sensor to see they are working. The computer has the engine in limp mode to keep the rpm's from going up. If the timing...

Q: Low coolant temperature, thermostat issue

Hey there. If a new thermostat has been installed, I believe one of two things could be your issue. Either the thermostat you purchased is somehow faulty even as a brand new part or the cooling fan on your vehicle...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...