My 2002 Mitsubishi Eclipse Spyder GT (6 c) has the check engine light on. I took it to Meineke and they said it's the 401 code for the exhaust. They changed some small part but the light came back on again. Then they said it's the EGR valve so they change that as well to no effect. I took the car there a third time and they checked the exhaust system for leaks and made some more readjustments. The light came back on again. Now they say they have no idea what it might be. What should I do next?

Asked by Navigo Sep 03, 2014 at 04:28 PM about the 2002 Mitsubishi Eclipse Spyder GT Spyder

Question type: Maintenance & Repair

My 2002 Mitsubishi Eclipse Spyder GT (6 c) has the check engine light on. I took it to
Meineke and they said it's the 401 code for the exhaust. They changed some small
part but the light came back on again. Then they said it's the EGR valve so they
change that as well to no effect. I took the car there a third time and the checked the
exhaust system for leaks and made some more readjustments. The light came back
on again. Now they say they have no idea what it might be. What should I do next?

2 Answers
26,245

taver91 answered 9 years ago

Go to a different shop. It is likely to be an O2 sensor causing the problem and not difficult to diagnose. Are you getting the same 401 code?

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199,795

dandyoun answered 9 years ago

http://www.obd-codes.com/p0401 -- Check this out for possible causes and solutions

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