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Starting to get rough idle
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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>03SVTPower</b> <br /><small>Member # 518</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(2007,8,7,15,39,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> Started noticing a little bit of a rough idle the other day when i started the car up. I let'er warm up for a few minutes and noticed it.<br /><br />i do need to replace my cats again and have an exhaust leak, could this contribute to my slight rough idle? <img border="0" title="" alt="[Frown]" src="frown.gif" /> <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>corpsedub</b> <br /><small>Member # 6401</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(2007,8,10,12,7,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> could be the FRPS starting to go.if you dont have a spare, might be a good time to order one and have it just incase. it's a good thing to have handy in the glove. <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>92stangLX</b> <br /><small>Member # 3252</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(2007,8,10,12,49,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> When was the last time you tuned the car up? Any engine codes?<br /><br />EDIT: I would fix the exhuast leak.<br /> <br /> <small>[ September 10, 2007, 12:49 PM: Message edited by: 92stangLX ]</small> <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>03SVTPower</b> <br /><small>Member # 518</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(2007,8,10,15,32,0), 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 92stangLX:<br /><strong> When was the last time you tuned the car up? Any engine codes?<br /><br />EDIT: I would fix the exhuast leak. </strong></font><hr /></blockquote><font size="2" face="Verdana, Arial">Has about 6500 miles on the motor since the rebuild. <img border="0" title="" alt="[Confused]" src="confused.gif" /> <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>03SVTPower</b> <br /><small>Member # 518</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(2007,8,10,15,39,0), 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 corpsedub:<br /><strong> could be the FRPS starting to go.if you dont have a spare, might be a good time to order one and have it just incase. it's a good thing to have handy in the glove. </strong></font><hr /></blockquote><font size="2" face="Verdana, Arial">What is the FRPS? <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>corpsedub</b> <br /><small>Member # 6401</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(2007,8,10,18,15,0), 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 03SVTPower:<br /><strong> </font><blockquote><font size="1" face="Verdana, Arial">quote:</font><hr /><font size="2" face="Verdana, Arial">Originally posted by corpsedub:<br /><strong> could be the FRPS starting to go.if you dont have a spare, might be a good time to order one and have it just incase. it's a good thing to have handy in the glove. </strong></font><hr /></blockquote><font size="2" face="Verdana, Arial">What is the FRPS? </strong></font><hr /></blockquote><font size="2" face="Verdana, Arial">Fuel Rail Pressure Sensor <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>93PONY</b> <br /><small>Member # 60</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(2007,8,11,2,14,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> FRPS failures are not uncomon.<br />Exhaust leaks near/upstream of the O2 sensors will cause the O2's to read lean, & the computer will richen the mixture which can make a rough idle.<br /><br />Also check for vacuum leaks. Sometimes under boost a line will pop off. <br /> </font> </td></tr> </table></td></tr></table> <br /> <br />
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