randy Posted October 10, 2003 Share Posted October 10, 2003 My check engine light comes on for a sec when I hit the rev limiter is this OK? I am using a ignition cut rev limiter set at 6900 RPM. Could the ignition cut signal cause the check engine light to come on? Link to comment Share on other sites More sharing options...
GavinL Posted October 11, 2003 Share Posted October 11, 2003 Originally posted by randy My check engine light comes on for a sec when I hit the rev limiter is this OK? I am using a ignition cut rev limiter set at 6900 RPM. Could the ignition cut signal cause the check engine light to come on? Disconnect it/turn it off and see if the problem goes away Link to comment Share on other sites More sharing options...
eyefi Posted October 11, 2003 Share Posted October 11, 2003 see if u got a obd error Link to comment Share on other sites More sharing options...
randy Posted October 12, 2003 Author Share Posted October 12, 2003 I fixed the problem!! I noticed that I have not been able to hold boost when flooring it from 4500 RPM to 6800 the turbo just wont come on line and I loose boost completely. Checked the turbo pressure vac hoses and used ring clips to secure them then checked the blow off valve adjustment screw and found it was too lose and was leaking boost which I guess was causing incorrect reading of the RPM/boost. So the check engine light came on. If you are using an aftermarket Blow off valve check the adjustment of your blow off valve and see if it is leaking boost at high RPM's. One more thing - The car revs to Red line much faster with no boost leak. Link to comment Share on other sites More sharing options...
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