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misfire codes
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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>MrMagooo</b> <br /><small>Member # 2542</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(2004,7,7,16,50,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> i was just wondering if any body out there has had problems with misfire codes. i have a 99 GT and am getting P0304 and P0307 mis fire codes. ichange hte coils from the #4 cyl. to the #1, and the #7 to the #5 cyl, stil getting the same code. so i thought must be injectors replaced the 4 and 7 injector and still am having the same codes. im don't know what else to check. so if any one can help me it would be greatly appreciated. <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>BlackNGold</b> <br /><small>Member # 655</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(2004,7,7,17,9,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> Do you have an after market timming adjuster?...<br /><br />It could be a number of problems...It could be a vacuum leak(cracked manifold), low fuel pressure, a bad valve spring, improperly seated valve, clogged cats and even a blown head gasket!...<br /><br />Check your fuel pressure, measure your manifold vacuum and conduct a compression check..... <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>66 AC COBRA</b> <br /><small>Member # 904</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(2004,7,7,19,29,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> have u pulled the plugs yet, pull them and make sure they are ok<br />check the wires for continuity, maybe a boot came loose <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>Hater</b> <br /><small>Member # 3085</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(2004,7,7,22,7,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> I had this same problem a few weeks ago on my 2001 gt,, I didnt put too much attention to it, so I did a reset, and the light did not turn on again,, but Im pretty sure its a bad spark plug that its causing this problem. <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>MrMagooo</b> <br /><small>Member # 2542</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(2004,7,8,9,50,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> thing is it runs great unless i keep it at about 2500 to 3000 rpm then it thowa hte codes, as for plug wires there r none. i have 8 seperate coils that sit right on top of the plugs. i also changed the plugs yesterday as well thinking i had bad plugs in those two cylinders. <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>MrMagooo</b> <br /><small>Member # 2542</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(2004,7,8,9,54,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> i'll check for vacum leaks btwouldn't it throw multiple codes if it was and not just the two cyl. <br /> </font> </td></tr> </table></td></tr></table> <br /> <br />
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