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Smog test failed! Smog question?
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<table border="0" cellpadding="1" cellspacing="1" width="99%" align="center"> <tr bgcolor="#000000"><td> <table border="0" width="100%" cellpadding="3" cellspacing="0"> <tr bgcolor="#000099"> <td colspan="2" align="left"> <font size="2" color="#ffffff" face="Verdana, Arial"> <b>T O P I C R E V I E W</b> </font></td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>cobra4v</b> <br /><small>Member # 4889</small> </font></td> <td width="82%"> <font size="1" face="Verdana, Arial"> <img src="https://californiafords.com/ubb/posticon.gif" border="0" alt=" - " /> posted <script language="JavaScript1.3" type="text/javascript"> document.writeln(timestamp(new Date(2018,5,26,16,14,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> I have a 98 Cobra S/C with a sct chip. The battery was disconnected. I drove it afterwards for 125 miles to reset codes and brought it in to the station to get a smog check. It failed because...<br /><br />Secondary air system....not completed<br />Oxygen sensor....not completed<br /><br />Everything else passed. The tech said to drive it on the freeway at 55 mph and come back after I put another 100 miles.<br /><br />Does that sound right or does it having something to do with the chip?<br /> <br /> <small>[ 2018-06-26, 08:49 PM: Message edited by: cobra4v ]</small> <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>KevinK</b> <br /><small>Member # 9234</small> </font></td> <td width="82%"> <font size="1" face="Verdana, Arial"> <img src="https://californiafords.com/ubb/posticon.gif" border="0" alt=" - " /> posted <script language="JavaScript1.3" type="text/javascript"> document.writeln(timestamp(new Date(2018,5,27,10,12,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> Sounds about right. It takes a bit to get everything reset.<br /><br /><a href="http://www.obdii.com/drivecycleford.html" target="_blank">http://www.obdii.com/drivecycleford.html</a><br /> <br /> <small>[ 2018-06-27, 10:16 AM: Message edited by: KevinK ]</small> <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>KevinK</b> <br /><small>Member # 9234</small> </font></td> <td width="82%"> <font size="1" face="Verdana, Arial"> <img src="https://californiafords.com/ubb/posticon.gif" border="0" alt=" - " /> posted <script language="JavaScript1.3" type="text/javascript"> document.writeln(timestamp(new Date(2018,5,27,10,16,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> Sounds about right. It takes a bit to get everything reset. <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>cobra4v</b> <br /><small>Member # 4889</small> </font></td> <td width="82%"> <font size="1" face="Verdana, Arial"> <img src="https://californiafords.com/ubb/posticon.gif" border="0" alt=" - " /> posted <script language="JavaScript1.3" type="text/javascript"> document.writeln(timestamp(new Date(2018,5,27,10,25,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> Thanks! None of my past Mustangs took this long to complete a drive cycle....was worry it might be the chip. <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>Martinna</b> <br /><small>Member # 12493</small> </font></td> <td width="82%"> <font size="1" face="Verdana, Arial"> <img src="https://californiafords.com/ubb/posticon.gif" border="0" alt=" - " /> posted <script language="JavaScript1.3" type="text/javascript"> document.writeln(timestamp(new Date(2018,5,27,13,36,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> You need a variety of driving styles to reset. You want the chip in. It reduces timing because of your supercharger. Reducing part throttle timing lowers your HC and NO emissions. <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>cobra4v</b> <br /><small>Member # 4889</small> </font></td> <td width="82%"> <font size="1" face="Verdana, Arial"> <img src="https://californiafords.com/ubb/posticon.gif" border="0" alt=" - " /> posted <script language="JavaScript1.3" type="text/javascript"> document.writeln(timestamp(new Date(2018,5,27,19,56,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> Ok! Thanks guys. I am going to drive it freeway and put another 100 miles. I am going to change up the speed and see that will work. <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>Marks93</b> <br /><small>Member # 11130</small> </font></td> <td width="82%"> <font size="1" face="Verdana, Arial"> <img src="https://californiafords.com/ubb/posticon.gif" border="0" alt=" - " /> posted <script language="JavaScript1.3" type="text/javascript"> document.writeln(timestamp(new Date(2018,5,28,7,6,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> For what it's worth, I have an SCT chip in my fox (5.0) that bypasses the O2 sensors (locks in an air/fuel ratio). There's no way it will pass that way. I have to remove the chip, drive it around for a day or two, then it will pass smog. It does a lot of idle surging with the chip out, but still passes. After that, the chip goes back in!!<br /><br />Do you know what your chip does? Maybe it does something to the A/F ratio like mine. <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>cobra4v</b> <br /><small>Member # 4889</small> </font></td> <td width="82%"> <font size="1" face="Verdana, Arial"> <img src="https://californiafords.com/ubb/posticon.gif" border="0" alt=" - " /> posted <script language="JavaScript1.3" type="text/javascript"> document.writeln(timestamp(new Date(2018,5,28,9,12,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> </font><blockquote><font size="1" face="Verdana, Arial">quote:</font><hr /><font size="2" face="Verdana, Arial">Originally posted by Marks93:<br /><strong> For what it's worth, I have an SCT chip in my fox (5.0) that bypasses the O2 sensors (locks in an air/fuel ratio). There's no way it will pass that way. I have to remove the chip, drive it around for a day or two, then it will pass smog. It does a lot of idle surging with the chip out, but still passes. After that, the chip goes back in!!<br /><br />Do you know what your chip does? Maybe it does something to the A/F ratio like mine. </strong></font><hr /></blockquote><font size="2" face="Verdana, Arial">The car is S/C so the sct chip does adjust air fuel ratio. I can't take the chip out for many reason. It would never idle without the chip due to the 42# injectors which the chip is tuned for. I hope it is not the case of the chip causing me to failed smog. <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>cobra4v</b> <br /><small>Member # 4889</small> </font></td> <td width="82%"> <font size="1" face="Verdana, Arial"> <img src="https://californiafords.com/ubb/posticon.gif" border="0" alt=" - " /> posted <script language="JavaScript1.3" type="text/javascript"> document.writeln(timestamp(new Date(2018,5,28,9,13,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> After driving it another 100 miles all the codes cleared and passed smog. Thank god it wasn't the chip. I was going to bring it to my tuner to see my options. Thanks everyone for your input<br /> <br /> <small>[ 2018-06-28, 03:25 PM: Message edited by: cobra4v ]</small> <br /> </font> </td></tr> </table></td></tr></table> <br /> <br />
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