willowtree1983 Posted September 12, 2016 Share Posted September 12, 2016 hi all, need help asap1994 wrx just had new coolants and boost gauge fitted engine check light came on after now car wont go over 5000 rpm why is this is it in default mode Adrian help Quote Link to comment Share on other sites More sharing options...
savage bulldogs Posted September 12, 2016 Share Posted September 12, 2016 Might have a vac leak from the boost gauge pipework. Search for the classic self ecu code check on here . It will enable you to read the codes and reset the ecu [emoji6] If it's not broke .....upgrade it 😊 Quote Link to comment Share on other sites More sharing options...
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