Question about 1991 Honda Civic
Can anyone tell me how to shut or turn service engine light off? I notice is making my car bogs everytime I accelerate the car at any speed, when it come to idle it want to stall and taking off from a dead stop it bogs and the car do not to accelerate because the service engine light is on. The only way I can get the light to turn off is turn the engine off completly and turn it back on; it seem to reset it self and it does not take long before the light come back on. the car run normal as long the service engine light stay off. I unplug the O2 sensor but it did nothing, any seggestion?
Your car needs O2 sensors and if one or any are unplugged your car will operate as you described(like ****). To get your check engine light off you need to find out what is triggering the check engine light sensor. It it most likely in need of an O2 sensor replacement. If you can tell me what kind of car you have I can give you more information.
Posted on Jun 16, 2009
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Posted on Jan 02, 2017
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When the service engine soon light (Also called the check engine light) is turned on this is to alert you to the fact that Powertrain Control Module (computer) has detected a failure somewhere in the systems it controls you may not feel any difference in the way the engine runs, this can be the transmission or the engine or emission system, there are fault codes set in the modules memory for these faults. What needs to happen now is to have the powertrain control module scanned with a special tool called an OBD2 electronic engine control scanner or a OBD2 code reader. Once the code(s) are read then you must perform the diagnostics for each code and make the appropriate repairs based on the findings of the diagnosis that was performed, this is called doing "Pinpoint" testing.
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