Question about 1998 Honda Civic

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Check engine light came on on my honda civic dx checke the coes said something about 02 sensor and misfire just wondering possible problems

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If O2 sensor is bad then the vehicle will idle rough and run rough

Posted on Oct 03, 2009

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Check engine light


A flashing check engine light means that your vehicle is having a catalytic converter damaging misfire ! Spark plug problem , coil , ignition module , injector breaking down electrically un a load .
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I don't think it is your catalytic converter because your light usually flashes and a bad cat I never heard of them causing a misfire. I ran your other code it is for a faulty EGR system. Exhaust gas recirculation excessive. You are getting too much exhaust gas back in the system. This will cause your misfire. Go-to a trusted mechanic and have them check out your EGR system.

Jun 12, 2017 | 1998 Honda Civic

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My chec engine light comes on after driving for a while, typically 20 miles or so on the freeway, a guy at checker said possibly something in the cat, and recommended sea foam, I know the alternator or the...


Check engine like is it red or yellow? if it's yellow it could be a misfiring spark plug, or a lazy 02 sensor, that means you drive the truck till it gets in closed loop then the 02 sensor is connected to fuel trim and is not changing fast enough causing the light to come on. Since the 02 sensor is bypassed until engine is warm this could be your issue, it could also be a spark plug wire or even the heater on the 02 sensor, since it's a 89 it has a sensor on each side of the engine and one after the cat, if there is a spark plug problem if the check engine light starts flashing it means a catastrophic misfire that will destroy the cat so it is a fuel or spark problem.

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1 Answer

The check engine light is on on my 1998 Honda Civic DX, does it merely need to be reset using a code or is there something else. O2 sensor was replaced right before I bought the vehicle


The check engine light (yellow light) comes only when the computer control unit (called the PCM) senses a fault in the electronic controls of the engine and/or the emission system u will seldom feel the car engine run any different, there are about 200 possible faults that turn the light on, to know what has developed a problem you must have the system tested, this is called an OBD2 fault code test, Kragen and Autozone parts stores do this testing for free.

Jun 30, 2010 | 1998 Honda Civic

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My honda civic lost power and there is oil on the spark plugs what is the proble and how do i fix it


If your plugs are oil fouled, then either the spark is weak and not firing correctly in each cylinder (you would probably have misfire) Or the 02 sensors are bad and the engine is running really rich.

Oct 16, 2009 | 1995 Honda Civic

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My 97 honda civic dx check engine light keeps coming on


Had this issue did you replace the exhaust

Jun 19, 2009 | 1997 Honda Civic

1 Answer

1990 honda accord engine surging


Check the throttle sensor and MASS air flow sensor. Throttle sensor cheap check first. MASS nice penny.

Jan 18, 2009 | 1990 Honda Civic

1 Answer

Locating and replacing oxygen sensor


Is the check engine light on with oxygen sensor codes?
If there are no problems with it leave it alone. i have seen factory sensors working good with over 300k miles on them. I recommend using dealer tune parts. at least NGK plugs. I have found misfire problems with aftermarket tune parts on several occasions.

there could be 2 oxygen sensors and they will be in the exhaust manifold or the catalytic converter or the "A" pipe between the manifold and catalytic converter. if you have the correct tools you can do it. sometimes requires special tools and rarely they are seized in the exhaust manifold and damage the manifold than it has to be replaced.

Dec 27, 2008 | 2000 Honda Civic

1 Answer

Oxygen sensor on a 93 civic dx


the sensor you got is for the 1997 model

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