Chrissubbyb4 Posted August 9, 2021 Share Posted August 9, 2021 I have a 1999 subaru impreza that will back firer when u try to accelerate has a check engine light for knock sensor but that has been changed any ideas will help Quote Link to comment Share on other sites More sharing options...
Linx Posted August 9, 2021 Share Posted August 9, 2021 I'd have thought more likely to be Cam or crank sensor. Quote Link to comment Share on other sites More sharing options...
Chrissubbyb4 Posted August 27, 2021 Author Share Posted August 27, 2021 I do have a knock sensor code don't know if that will cause these problems Quote Link to comment Share on other sites More sharing options...
Linx Posted August 30, 2021 Share Posted August 30, 2021 Replace the knock sensor then. Quote Link to comment Share on other sites More sharing options...
Chrissubbyb4 Posted August 30, 2021 Author Share Posted August 30, 2021 I have one on order but the one in the car only 6 months old Quote Link to comment Share on other sites More sharing options...
Tidgy Posted August 30, 2021 Share Posted August 30, 2021 could be one of various sensors, have you chagne any pipework recently? Quote Link to comment Share on other sites More sharing options...
Chrissubbyb4 Posted August 31, 2021 Author Share Posted August 31, 2021 No it all still the same apart from a wastegate gasket Quote Link to comment Share on other sites More sharing options...
Tidgy Posted September 4, 2021 Share Posted September 4, 2021 sounds like its hitting fuel cut, check for leaks in the pipes. if youd change the pipework i;d sugest restrictor pill, but if thats not changed then must be somethign else Quote Link to comment Share on other sites More sharing options...
Chrissubbyb4 Posted September 4, 2021 Author Share Posted September 4, 2021 I haven't changed anything apart from draining all the fuel as it was sitting for 12 months Quote Link to comment Share on other sites More sharing options...
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