2011 Lancer wont go past 3000 RPM

Asked by Saleh Ahmed Dec 12, 2019 at 09:07 AM about the 2011 Mitsubishi Lancer ES

Question type: Maintenance & Repair

Hi,
My car does not go past 3000 RPM and while driving if i pressed the gas
hard it makes loud sound but not speeding as it should be. I changed these
parts but no success.
1) Cleaned Mass Air Flow sensor with CRC Mass Air Flow Sensor Cleaner
2) clean the fuel tank and use good fuel
3) change the fuel pump

Please let me know if someone have any fix for this issue.
thanks

1 Answer

103,225

I would check the exhaust is unrestricted and engine can breathe, so check EGR operation, PCV, and O2 sensors/catalytic converters. You don't mention a "check engine" light being on, so hopefully that means your catalytic converters are ok, but still check the EGR and PCV, those don't always result in trouble codes. Mechanics have a tool for testing EGRs. The PCV you can take apart and clean. There are plenty of other things that can cause loss of RPM, but these are simple ones to check as a starting point.

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