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missfire
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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>Os50s</b> <br /><small>Member # 10500</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(2012,6,6,23,54,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> wassup guys so i have a bone stock 91 5.0 H.O. motor and im getting a missfire only when its warmed up cold it runs good and its intermittent plugs are new autolites double plat. new ford racing wires, accel cap and rotor, new mass air stock, egr valve is good took it off and cleaned it then put vaccum to it works fine. i replaced one O2 sensor a year ago needed it to pass smog wondering if the other one is bad would it cause a miss like this. i do have a aftermarket temp. gauge so the original sensor is not on and i got a code for ect sensor out of range, it didnt miss when i first took it off about 3 months ago. <br /><br />would fuel pressure do this. i have new fuel filter and 255 in tank pump <br /><br />would a ignition module cause this. the one on the distributor <br /><br />any help i would really appreciate sucks being stuck like this <br /> </font> </td></tr> <tr bgcolor="#f7f7f7"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>Adam5.0</b> <br /><small>Member # 6995</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(2012,6,7,0,17,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> If you took out the sensor for the ecu, its a very important part for the car to run right. Did you take out he sensor on the lower manifold or on the heater tube? <br /> </font> </td></tr> <tr bgcolor="#dedfdf"> <td valign="top" width="18%"> <font size="2" face="Verdana, Arial"> <b>WILDMAN97</b> <br /><small>Member # 9138</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(2012,6,7,10,57,0), dfrm, tfrm, 0, 0, 0, 0)); </script><hr /> </font> <font size="2" face="Verdana, Arial"> Alot of people have had issues when running platnum plugs. Mine had a miss swapped back to cheap autolite copper plugs and the miss was gone. <br /> </font> </td></tr> </table></td></tr></table> <br /> <br />
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