booboo123 Posted February 6, 2011 Author Report Share Posted February 6, 2011 If you got a whistle sound and the tranny is acting up, check all the vacuum lines. Could be all your problems. As for the diagnostic codes, they will tell you exactly where your problems are. If you have a Meineke near you, they check for free. thanx man but when the light first came on i took it to autozone and they said the only thing that it would read is like o2 sensors Quote Link to comment Share on other sites More sharing options...
Skullz Posted February 6, 2011 Report Share Posted February 6, 2011 Might have a plugged catalytic converter if its whistling and an o2 sensor code. Quote 01 Ford focus ZX3 Pioneer AVH-X491BHS PPI PC 4800.2 Morel Maximo 6.5" x2 Link to comment Share on other sites More sharing options...
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