Question about SUB 2 T-harness Remote Wiring

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Car failing to accelerate

Hi, i bought a used engine for my subaru legacy B4 but unfortunately when it came to fitting the engine in the car it was realised that the harness was different from a the original engine( 1999 model ) to overcome this, modifications were done . the car now isnt as powerful, it fails to accelerate and the revs dont go beyond 4000RPM. i tried changing the fuel pump , it then slightly improved. not only this but i changed my spark plugs aswell. the airflow sensor is working ok. i dont know what to do ? the engine isnt leaking any vaccum. please help

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Have you checked the timing of the vehicle?

Posted on Jul 04, 2010

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