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1997 Mitsubishi Eclipse Base 3dr Coupe Manual

1997 Mitsubishi Eclipse
Trim Info:
Front Wheel Drive, 3 Door Coupe, Sub-Compact
22 mpg city / 33 mpg hwy
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December 10, 2012, 8:35 am

Brandan 
 

Question: What is causing the problem

My 2003 Eclipse i4 suddenly started runnin crappy while driving. I start it up, engine shakes, car shakes, sound like the path for the fuel is not lettin it through. changed my fuel strainer, fuel injectors, air filter, spark plugs (some oil was inside) Changing the valve cover gasket and seals now. Terrible gas mileage, need to put it in neutral sometimes to keep it running (or atleast sounding like its running good) engine light was on because of 02 sensors. Cant figure out what will fix the problem


December 15, 2012, 11:54 am

Ron W
Expert Mechanic

If you have O2 sensor codes, you need to address those as they can cause the fuel strategy to be off. From here, I would check fuel pressure and check to make sure my ignition system (not just the spark plugs) was working correctly. Without looking at the vehicle it is pretty hard to diagnosis this type of issue long distance.


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