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Author
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Topic: COULD A CONSTANT MIS FIRE MEAN PISTON DAMAGE
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01GT#1STUNA
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Member # 7620
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posted
 
 
I KEEP GETTING A MIS FIRE CODE IN CYLINDER 1.I CHANGE THE WIRE THE INJECTOR AND THE COIL PACK WITH USED STUFF AND I KEEP GETING THE SAME THING.AND THE OTHER DAY WHEN I WAS GETTING ON IT THE CODE SAID RICH IN 1 AN 2 AND MIS FIRE IN 1 ALONG WITH P 1000 CODE.WHEN I ACCELERATE HARD FROM 1000RPM TO 1800RPM IT SOUNDS LIKE THERES A LEAK SOMWHERE BUT I CANT SEEM TO TRACE IT DOWN.PLEASE HELP!!!
[ October 13, 2009, 01:33 PM: Message edited by: 01GT#1STUNA ]
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PROCHARGED 01 GT 465RWHP 475RWTQ 15.5 POUNDS OF BOOST.THIS MONSTER IS BUILT FROM THE FLOOR UP.BUILT NOT BOUGHT."TOTAL PACKAGE"
Posts: 359 | Registered: Apr 2007
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JohnB
Tech Moderator
Member # 969
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posted
Are you sure you have the wires correctly routed? Did you ever put dielectric grease on ALL the plug tips?
And when you say you swapped it out, these are brand new parts...not leftovers, right?
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1965 Shelby Cobra
1993 Cobra
2012 F150 Raptor
2020 GT500
Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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Duncan Motors
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Member # 7045
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posted
i seen bad injecters that wernt sprayin gas make the motor loose compression in those clinders. and injecters that were leaking fuel, washed the cly, which also lost compression .if its a miss fire fix it will cause bigger problems.
Posts: 6310 | From: Vallejo | Registered: Sep 2006
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SVTGOD
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Member # 8613
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posted
Have you done a leak down test and compression test?
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R.I.P
Willie Guzman
my brother
1991 notchback
1997 cobra
2003 cobra
Posts: 1486 | From: San jose | Registered: Sep 2008
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RED@7kVERT *8850GT*
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Member # 5909
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posted
you said you hear a leak? is the spark plug threads stripped??
very commom on these heads with boost....
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2016 Mustang GT PP- Don't care lol
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Sold:02 Z06-11.0 @ 132
Sold:05 CTS-V-13.1 @ 114
Sold:01 Cobra Vert-12.0 @ 119
Posts: 2432 | From: -916- | Registered: Aug 2005
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01GT#1STUNA
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Member # 7620
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posted
i did a compression check on the cylinder that keeps mis fireing and it was only holding 50 psi.the specs from ford said it should be 125 to 250 psi.so i guess i got my answer about the mis fire in one.the thing is the car runs good.i driven it over 800 miles already with no problem.its just when im under hard acceleration the car hesitates a little here an there through out the RPM Range.So i can tell its looseing power.i dont want to rebuild this engine id rather run in into the dirt.then get a good used motor and switch it out myself.is there any thing i can do to PROLONG THI ENGINES LIFE?like put thicker motor oil in it.or is there any additives out there that i can ad to the oil?
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PROCHARGED 01 GT 465RWHP 475RWTQ 15.5 POUNDS OF BOOST.THIS MONSTER IS BUILT FROM THE FLOOR UP.BUILT NOT BOUGHT."TOTAL PACKAGE"
Posts: 359 | Registered: Apr 2007
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SVTGOD
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Member # 8613
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posted
Well thicker oil ain't going to help with low compression, what I would suggest is doing a leakdown test and hopefully its only a bad valve.
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R.I.P
Willie Guzman
my brother
1991 notchback
1997 cobra
2003 cobra
Posts: 1486 | From: San jose | Registered: Sep 2008
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true11
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Member # 9262
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posted
do a leak down test and find the leak .it may be somthing in the valvtrain
Posts: 62 | Registered: Jun 2009
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01GT#1STUNA
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Member # 7620
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posted
hOW DO I DO A LEAK DOWN TEST
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PROCHARGED 01 GT 465RWHP 475RWTQ 15.5 POUNDS OF BOOST.THIS MONSTER IS BUILT FROM THE FLOOR UP.BUILT NOT BOUGHT."TOTAL PACKAGE"
Posts: 359 | Registered: Apr 2007
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F1R/GT
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Member # 7404
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posted
I have the stock engine out of my 02GT it only had like 18000 miles on the car when I pulled it and did a build on the car. It's been sitting in my storage for a couple ao years but theirs no rust or anything like that.
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sure officer it's stock....
Posts: 553 | From: Livermore | Registered: Jan 2007
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Captain Obvious
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Member # 7842
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posted
quote:
Originally posted by F1R/GT:
I have the stock engine out of my 02GT it only had like 18000 miles on the car when I pulled it and did a build on the car. It's been sitting in my storage for a couple ao years but theirs no rust or anything like that.
yeah, that will solve his problem a WHOLE fuckken motor swap ![[Big Grin]](biggrin.gif)
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It's NOT illegal. It's just frowned upon, like masturbating on an airplane.
Posts: 1976 | Registered: Aug 2007
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F1R/GT
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Member # 7404
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posted
Well he said that he was just going to run this engine into the dirt. I was just offering a good engine with very low miles for a good price.
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sure officer it's stock....
Posts: 553 | From: Livermore | Registered: Jan 2007
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01GT#1STUNA
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Member # 7620
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posted
quote:
Originally posted by F1R/GT:
Well he said that he was just going to run this engine into the dirt. I was just offering a good engine with very low miles for a good price.
whats your price?
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PROCHARGED 01 GT 465RWHP 475RWTQ 15.5 POUNDS OF BOOST.THIS MONSTER IS BUILT FROM THE FLOOR UP.BUILT NOT BOUGHT."TOTAL PACKAGE"
Posts: 359 | Registered: Apr 2007
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F1R/GT
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Member # 7404
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posted
I was thinking around 900$ was fair.
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sure officer it's stock....
Posts: 553 | From: Livermore | Registered: Jan 2007
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F1R/GT
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Member # 7404
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posted
I also have a bunch of other ods and ends laying around that I'm not going toput on my car. Dress up stuff brushed alluminum and stainless steel stuff. I just decided that it just wasn't the direction I wanted to go with my car. It's all new and never been installed.
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sure officer it's stock....
Posts: 553 | From: Livermore | Registered: Jan 2007
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F1R/GT
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Member # 7404
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posted
I was thinking around 900$ was fair.
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sure officer it's stock....
Posts: 553 | From: Livermore | Registered: Jan 2007
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01GT#1STUNA
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Member # 7620
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posted
quote:
Originally posted by F1R/GT:
I also have a bunch of other ods and ends laying around that I'm not going toput on my car. Dress up stuff brushed alluminum and stainless steel stuff. I just decided that it just wasn't the direction I wanted to go with my car. It's all new and never been installed.
what do u got
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PROCHARGED 01 GT 465RWHP 475RWTQ 15.5 POUNDS OF BOOST.THIS MONSTER IS BUILT FROM THE FLOOR UP.BUILT NOT BOUGHT."TOTAL PACKAGE"
Posts: 359 | Registered: Apr 2007
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F1R/GT
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Member # 7404
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posted
It's mostly engine bay dress up stuff and interior dress up stuff Its all nice. I'm sure theirs more it's been a while since I've opened up the box and actually took a look. If your serious we can take a trip to my storage unit and you can take a look for yourself.
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sure officer it's stock....
Posts: 553 | From: Livermore | Registered: Jan 2007
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F1R/GT
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Member # 7404
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posted
It's mostly engine bay dress up stuff and interior dress up stuff Its all nice. I'm sure theirs more it's been a while since I've opened up the box and actually took a look. If your serious we can take a trip to my storage unit and you can take a look for yourself.
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sure officer it's stock....
Posts: 553 | From: Livermore | Registered: Jan 2007
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