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hey Ford Tech: spark plug question
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hey Ford Tech: spark plug question -
02-19-2007
, 06:52 PM
#2
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have a freebie customer (relative) wants me to find a non existant miss - 02 expidition, 5.4, 97k miles, i call it a 'nonexistant miss' because i cant feel it while driving or at idle and scan shows zero codes. i checked PCV hose assembly, no leaks but found PCV buzzing like a crackhead so replaced it. no change in running but much quieter...did pull 2 'easy plugs' and found no erosion but did notice a gray ash like coating. to me its a normal ash and no problem found but thought i would ask your opinion. can you throw me an opinion from joplin?..........kjun |
or you'll be replacing the head/heads soon. The tritons are notorious for
blowing out plugs. I'd never consider pulling plugs on one unless there is
a reason.
From what you describe, there is no miss whatsoever, so why are you even
working on it? Is there a stumble of some sort?
CJB
#3
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The only thing I'll tell you is that you better properly torque those plugs, or you'll be replacing the head/heads soon. The tritons are notorious for blowing out plugs. I'd never consider pulling plugs on one unless there is a reason. |
The reason they blow out is because Ford used a combo fo wrong plug
design and torque for them and the loosen up with time due to
differing expansion rates in materails involved (steel plugs, aluminum
heads) and they rattle around until a combo os looseness and flame
erosion cuts threas and blows them out. This is all the more reason to
check plugs for time to time for leakage and/or snugness rather than
ignore them.
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TheSnoMan.com
#4
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On Tue, 20 Feb 2007 19:14:23 GMT, "CJB" <colonyparkwagon (AT) excite (DOT) com wrote: The only thing I'll tell you is that you better properly torque those plugs, or you'll be replacing the head/heads soon. The tritons are notorious for blowing out plugs. I'd never consider pulling plugs on one unless there is a reason. The reason they blow out is because Ford used a combo fo wrong plug design and torque for them and the loosen up with time due to differing expansion rates in materails involved (steel plugs, aluminum heads) and they rattle around until a combo os looseness and flame erosion cuts threas and blows them out. This is all the more reason to check plugs for time to time for leakage and/or snugness rather than ignore them. ----------------- TheSnoMan.com |
the plugs to grip.
CJB
#5
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Additionally, I've heard that there are only 3 so threads of thickness for the plugs to grip. |
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TheSnoMan.com
#6
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have a freebie customer (relative) wants me to find a non existant miss - 02 expidition, 5.4, 97k miles, i call it a 'nonexistant miss' because i cant feel it while driving or at idle and scan shows zero codes. i checked PCV hose assembly, no leaks but found PCV buzzing like a crackhead so replaced it. no change in running but much quieter...did pull 2 'easy plugs' and found no erosion but did notice a gray ash like coating. to me its a normal ash and no problem found but thought i would ask your opinion. can you throw me an opinion from joplin?..........kjun |
I would run a stress test on the COP's (coil over plug). If its an
intermittent miss then that would definitely show it. Only bad thing about
that is you have to take it to Ford to get that done, and that aint
cheap...
Have you tried loading the truck heavy and doing a full power take off? That
would stress the COP and if its goin to miss it will show up then..
Ford Tech
#7
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"Kjun" <KjunRaven (AT) hotmail (DOT) com> wrote in message news:45da3841$0$5258$4c368faf (AT) roadrunner (DOT) com... have a freebie customer (relative) wants me to find a non existant miss - 02 expidition, 5.4, 97k miles, i call it a 'nonexistant miss' because i cant feel it while driving or at idle and scan shows zero codes. i checked PCV hose assembly, no leaks but found PCV buzzing like a crackhead so replaced it. no change in running but much quieter...did pull 2 'easy plugs' and found no erosion but did notice a gray ash like coating. to me its a normal ash and no problem found but thought i would ask your opinion. can you throw me an opinion from joplin?..........kjun Man I replied to this and it didnt post.. LOL I would run a stress test on the COP's (coil over plug). If its an intermittent miss then that would definitely show it. Only bad thing about that is you have to take it to Ford to get that done, and that aint cheap... Have you tried loading the truck heavy and doing a full power take off? That would stress the COP and if its goin to miss it will show up then.. Ford Tech |
first step in my world, of course i found no miss. went ahead and did an
individual coil test (unhook one coil at a time and watch rpm drop on
scanner) all alike.....me thinks he were just jerkin me around or his
wifey was jerkin him around!...anywho, gave truck back and called him
with good results and no further complaint. might have been PCV valve but
i never felt the miss before replacement............whats the deal with
the heads spitting out plugs i read about? ive had hundreds out with no
ill results.................kjun
#8
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"Ford Tech" <pkurtz2 (AT) cox (DOT) net> wrote in news:d5PCh.74579$0u1.31016 (AT) newsfe15 (DOT) phx: "Kjun" <KjunRaven (AT) hotmail (DOT) com> wrote in message news:45da3841$0$5258$4c368faf (AT) roadrunner (DOT) com... have a freebie customer (relative) wants me to find a non existant miss - 02 expidition, 5.4, 97k miles, i call it a 'nonexistant miss' because i cant feel it while driving or at idle and scan shows zero codes. i checked PCV hose assembly, no leaks but found PCV buzzing like a crackhead so replaced it. no change in running but much quieter...did pull 2 'easy plugs' and found no erosion but did notice a gray ash like coating. to me its a normal ash and no problem found but thought i would ask your opinion. can you throw me an opinion from joplin?..........kjun Man I replied to this and it didnt post.. LOL I would run a stress test on the COP's (coil over plug). If its an intermittent miss then that would definitely show it. Only bad thing about that is you have to take it to Ford to get that done, and that aint cheap... Have you tried loading the truck heavy and doing a full power take off? That would stress the COP and if its goin to miss it will show up then.. Ford Tech hi ford tech, thanks for reply... my stress test (power stall) is always first step in my world, of course i found no miss. went ahead and did an individual coil test (unhook one coil at a time and watch rpm drop on scanner) all alike.....me thinks he were just jerkin me around or his wifey was jerkin him around!...anywho, gave truck back and called him with good results and no further complaint. might have been PCV valve but i never felt the miss before replacement............whats the deal with the heads spitting out plugs i read about? ive had hundreds out with no ill results.................kjun |
and stripping them... If they have the truck back and no more issues, call
it a day... LOL
Ford Tech
#9
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"Kjun" <KjunRaven (AT) hotmail (DOT) com> wrote in message news:45dfa11d$0$8941$4c368faf (AT) roadrunner (DOT) com... "Ford Tech" <pkurtz2 (AT) cox (DOT) net> wrote in news:d5PCh.74579$0u1.31016 (AT) newsfe15 (DOT) phx: "Kjun" <KjunRaven (AT) hotmail (DOT) com> wrote in message news:45da3841$0$5258$4c368faf (AT) roadrunner (DOT) com... have a freebie customer (relative) wants me to find a non existant miss - 02 expidition, 5.4, 97k miles, i call it a 'nonexistant miss' because i cant feel it while driving or at idle and scan shows zero codes. i checked PCV hose assembly, no leaks but found PCV buzzing like a crackhead so replaced it. no change in running but much quieter...did pull 2 'easy plugs' and found no erosion but did notice a gray ash like coating. to me its a normal ash and no problem found but thought i would ask your opinion. can you throw me an opinion from joplin?..........kjun Man I replied to this and it didnt post.. LOL I would run a stress test on the COP's (coil over plug). If its an intermittent miss then that would definitely show it. Only bad thing about that is you have to take it to Ford to get that done, and that aint cheap... Have you tried loading the truck heavy and doing a full power take off? That would stress the COP and if its goin to miss it will show up then.. Ford Tech hi ford tech, thanks for reply... my stress test (power stall) is always first step in my world, of course i found no miss. went ahead and did an individual coil test (unhook one coil at a time and watch rpm drop on scanner) all alike.....me thinks he were just jerkin me around or his wifey was jerkin him around!...anywho, gave truck back and called him with good results and no further complaint. might have been PCV valve but i never felt the miss before replacement............whats the deal with the heads spitting out plugs i read about? ive had hundreds out with no ill results.................kjun The problem with the plugs popping out is people not torquing them correctly and stripping them... |
thread design. The Lightnings were spitting them all over the place. The
solution under warranty was a set of new heads with more threads.
#10
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_CdnSZIgNz2CnzYnZ2dnUVZ_hadnZ2d (AT) comcast (DOT) com:|
"Ford Tech" <pkurtz2 (AT) cox (DOT) net> wrote in message news:289Eh.46880$1H5.11618 (AT) newsfe16 (DOT) phx... "Kjun" <KjunRaven (AT) hotmail (DOT) com> wrote in message news:45dfa11d$0$8941$4c368faf (AT) roadrunner (DOT) com... "Ford Tech" <pkurtz2 (AT) cox (DOT) net> wrote in news:d5PCh.74579$0u1.31016 (AT) newsfe15 (DOT) phx: "Kjun" <KjunRaven (AT) hotmail (DOT) com> wrote in message news:45da3841$0$5258$4c368faf (AT) roadrunner (DOT) com... have a freebie customer (relative) wants me to find a non existant miss - 02 expidition, 5.4, 97k miles, i call it a 'nonexistant miss' because i cant feel it while driving or at idle and scan shows zero codes. i checked PCV hose assembly, no leaks but found PCV buzzing like a crackhead so replaced it. no change in running but much quieter...did pull 2 'easy plugs' and found no erosion but did notice a gray ash like coating. to me its a normal ash and no problem found but thought i would ask your opinion. can you throw me an opinion from joplin?..........kjun Man I replied to this and it didnt post.. LOL I would run a stress test on the COP's (coil over plug). If its an intermittent miss then that would definitely show it. Only bad thing about that is you have to take it to Ford to get that done, and that aint cheap... Have you tried loading the truck heavy and doing a full power take off? That would stress the COP and if its goin to miss it will show up then.. Ford Tech hi ford tech, thanks for reply... my stress test (power stall) is always first step in my world, of course i found no miss. went ahead and did an individual coil test (unhook one coil at a time and watch rpm drop on scanner) all alike.....me thinks he were just jerkin me around or his wifey was jerkin him around!...anywho, gave truck back and called him with good results and no further complaint. might have been PCV valve but i never felt the miss before replacement............whats the deal with the heads spitting out plugs i read about? ive had hundreds out with no ill results.................kjun The problem with the plugs popping out is people not torquing them correctly and stripping them... No, they were blowing out at minimal miles from the factory due to a poor thread design. The Lightnings were spitting them all over the place. The solution under warranty was a set of new heads with more threads. |
the luck on lotto tickets?..................kjun
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