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Mitsubishi Check Engine Light Issues
This page will list all the Check Engine Light questions and answers asked of us pertaining to Mitsubishi vehicles.
Question: I have a 2001 Mitsubishi Galant V6 and my check engine light came on. I had the problem diagnosed and fixed what I think is the problem. I tryed disconnecting the battery and the light never shut off. How can I reset the computer to see if the problem was solved. - Ryan, October 2008
Answer: Hi Ryan. Disconnecting the battery is not the recommended way to clear the trouble codes as it may cause other issues. Please read our Reset article on what to do next. The best thing to do is use a code reader to clear the codes. If the codes stay away then the problem is resolved. However if the check engine light keeps coming back on then there's still something wrong. Good luck!
Question: The code in my car is P0443 Evaporative Emission Control System Purge Control Valve Circuit. The car is Montero 1996. The question is where in my car is this circuit or valve circuit? Thank. You have a picture or site where ilustrate this valve circuit? Sorry for my english - Pablo, September 2008
Answer: Hi. I don't have that information handy. [ AllDataDIY] is a great resource for that, I think they cost about $25 and you get online access to everything repair related for your vehicle.. Or you could buy a repair manual book. If you haven't seen it already, check out this [P0443 article at OBD-Codes.com]. Good luck!
Question: 01 Mitsubishi Eclipse GT 3.0 v-6 120,000 miles trouble code P0403 Would this be the egr itself or the egr solenoid? Thanks - Lee, September 2008
Answer: Hi Lee. The description of P0403 is Exhaust Gas Recirculation (EGR) Circuit Malfunction. Seemingly the common problem here is that the solenoid is either stuck open or closed. I'd recommend you get a good quality manual and a DVOM (digital volt ohm meter) and test the operation of the solenoid. Check the voltage. Also verify all wiring and connectors in the EGR system. Since the P0403 code description specifies the circuit, it's not talking about the valve. So yes, concentrate your diagnosis on the solenoid & associated wiring. Thanks for the question.
Question: P0161 came on my 2001 Mitsubishi Montero Sport LTD with 3.5 V6. Error code says bank 2 sensor 2. Question, is bank two on the drivers side? I know sensor 2 is behind the cat converter. Is there only one cat converter on the vehicle and two sensors behind it? - Jerry, August 2008
Answer: Hi Jerry, thanks for the question! A P0161 trouble code is "02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)". Bank 2 refers to the side of the engine that does not have cylinder #1. Although I don't have a definite answer for you, from other sources it appears to be the driver's side. A quick call to your dealer can confirm that. If you do have to replace the O2 sensor, I'd highly recommend you replace it with an OEM (Mitsubishi) sensor. I've seen times where a cheaper aftermarket sensor failed prematurely. The use of OEM parts ensures quality. As well, you should also check out this P0161 article. Good luck!
Question: My light has been on for a year. I have had everything possible to get it off. The car has passed inspection but needs an emmission test. Will the Check light cause me to fail. Can this jsut be something in the light itself. Please help me. Thank you, Diana Mitsibushi Galant 1996, 80,000 miles - August 2008
Answer: Hi Diana. The check engine light is on for a reason, it's telling you the car is in need of attention. I cannot say for sure if the light being on will fail the emissions test because I don't know where you live, but usually the light has to be off to pass. I would recommend you go to AutoZone and get them to read the trouble code for you (which is free) and then do a Google search on the code or post back here. Without that specific code I have no way of recommending any action besides taking the car to a trusted technician. Also, what do you mean by had everything possible [done] to get the light off? In the long run it may be easier and cheaper to just take the car to a trusted, qualified technician if you're not mechanically inclined. Good luck!