4AGE 20v hesitates to rev beyond 2000 with video
Car:AE86 Trueno Silver Top Block with MAP and BT ECU, individual coils
Problem:Engine refuses to go beyond 2000rpm on all gears, it splutters, quads back fires and pretty much hesitates to rev.
Done so far, checked for vacuum leaks
Replaced TPS
Replaced Fuel Filter and new fuel in tank,
Unhooked the O2 sensor and did not make any difference.
Checked plugs and coils
Cheers, Vener
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