P0300 multi-cylinder random misfire. After many attempts made my Mitsubishi, this problem has never been fixed. On average, this happens 3-4 times daily, everyday and hinders driveability. Mitsubishi has issued parts to be warranted and has denied all responsibility. Mitsubishi has quoted that the ses (check engine light) in no way, when illuminated, affects driveability, value, mechanical functions of the vehicle. Therefore, in short, they are claiming that the light is just for show. I have written proof from Mitsubishi with that statement denying all claims and not taking any responsibility.

- Arcadia, CA, USA

I own a 2003 Mitsubishi Lancer evolution that was purchased brand new from the dealership in the middle of 2003. The car had run fine until about May 12th of this year. The car started performing oddly. The turbo and engine would not provide full power at random times while driving. I was informed by mechanics that it could possibly be a vacuum line leak or hose leak. Acting on their advice, I purchased from the dealership replacement factory vacuum hoses and replaced them on the car. This did not fix the problem. I then decided to take my car to the dealership being that the car was still under warranty and told them the problem. During this time the engine had also picked up a slight ticking sound. After two days I was contacted saying they could not find any problem other than my intercooler hoses being a little loose from having removed and replaced them to do the hose install. I was then charged 200$ for labor. I picked the car up and immediately upon heading home could feel the same problem with the engine/turbo and ticking. I took the car back immediately and let the service manager hear the ticking and informed him that the car was still having engine problems. He asked me to bring it back on Monday and they would then address the issue. I returned my vehicle to the shop that Monday and was not contacted until I called them on Thursday only to be told my warranty was not being honored because someone had been 'messing around' near the turbo (the location the vacuum lines were replaced). I informed them why they would see that and I was told I would need to open a case with mmna to appeal their decision. That appeal was also rejected as the district representative of that location would not believe what I had to say. Nothing has been done to the car to fix the problem, and I am left with having to pay out of pocket now to diagnose and fix a problem which should have been covered under warranty.

- Thornton, CO, USA

Chronic P0300 random misfire in 5th gear under partial throttle. Build date of vehicle is Feb 03.

- Yorktown, VA, USA

P0300, random misfire code. Mitsubishi dealers claim no record of issue and no fix. Continuous and repeatable situations.

- Granite City, IL, USA

P0300, random misfire code. Mitsubishi dealers claim no record of issue and no fix. Continuous and repeatable situations.

- Granite City, IL, USA

Engine light went off. P0300 code. I've went back to the dealers for more than 3 times for this very same code. They've done a ECU reflash for me and they swapped the fuel injectors as well. The engine light still went off very often with the same P0300 code.

- San Leandro, CA, USA

I took the car in for regular service. I let them know it was making an odd rattle type noise. I was told it was nothing to be concerned with. A couple of weeks later the engine failed. It was in the shop for two weeks. The car had less than 5000 miles on it at the time. They rebuilt the engine.

- Fresno, CA, USA

Motor has blown twice 5 days after intial buy of vehicle then again 6000 miles later, manufacter says customer neglect, has not yet been repaired.

- Goshen, NY, USA