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SVT Shelby GT500
Need help - rough running
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<blockquote data-quote="69b302" data-source="post: 16218882" data-attributes="member: 52691"><p>Most likely the oxygen sensors going south. I have had to replace the Motorcraft O2s every year or two on Ethanol. I am trying NTK sensors for the last year. Should eventually throw a code if it is really rough. I would also take a look at the fuel rail pressure on the interceptor gauge to ensure it’s not on the fuel side.</p></blockquote><p></p>
[QUOTE="69b302, post: 16218882, member: 52691"] Most likely the oxygen sensors going south. I have had to replace the Motorcraft O2s every year or two on Ethanol. I am trying NTK sensors for the last year. Should eventually throw a code if it is really rough. I would also take a look at the fuel rail pressure on the interceptor gauge to ensure it’s not on the fuel side. [/QUOTE]
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SVT Shelby GT500
Need help - rough running
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