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mike_a_mechanic
mike_a_mechanic, Mitsubishi Mechanic
Category: Mitsubishi
Satisfied Customers: 5470
Experience:  17 years experience as a auto mechanic, foreign and domestic.5 years running my own repair business.
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after running for about two hours, the engine suddenly looses

Customer Question

after running for about two hours, the engine suddenly looses power and is very sluggish, if I stop and turn the motor off. when I start it again it runs perfectly for another period ot time..Its been into a Mitsubishi dealer and despite tests couldn't find any fault but changed a power valve. it still continues to develop this fault
Submitted: 3 years ago.
Category: Mitsubishi
Expert:  mike_a_mechanic replied 3 years ago.
Hello, welcome. My name is Mike, I will do my very best to assist you with your question. I apologize if you have been waiting long for a response.

The issue that you are describing is consistent with one of the fuel injectors starting to fail and causing the issue. The injectors need to be tested using a power balance test which will show which one is causing the issue.
Customer: replied 3 years ago.

Thanks for4 your advice. I will go back to the dealer and talk to them

Expert:  mike_a_mechanic replied 3 years ago.
No Problem, thank you. Also you can respond back to this question at anytime after rating positive if you need further assistance.