cop???

sgrcltpunk · August 21st, 2008, 10:22 AM

ok so i have a small miss every now and then and the mechanic who did my clutch said its a cop going bad but he didn't hook it up to a scanner to see which one so how can i find out

sgrcltpunk · August 21st, 2008, 10:22 AM

o and if anyone remembers how i was having a surging problem my clutch took that away

HMUSN · August 21st, 2008, 10:23 AM

YouTube - Testing Coil-on-Plug igntion

sgrcltpunk · August 21st, 2008, 10:54 AM

ok so can i do this with out all the equipment you know like a spark tester or something

cliffyk · August 21st, 2008, 03:18 PM

If your mechanic did not use a scanner then his diagnosis of a bad COP is meaningless.

Also, with an occasional miss I would suspect that the COP is fine (50% of COPs returned to Ford from warranty work have nothing wrong with them). Pull the COPs and inspect the boots for signs of arcing, and check the spark plugs at the same time.

If the plugs have more than 15k to 20k on them I'd just replace them anyway while I had 'em out--they are cheap enough and that will be one less potential issue.

New boots and conductor springs can be purchased here for $3 each.

sgrcltpunk · August 21st, 2008, 03:24 PM

spark plugs are brand new i have had 2 cops go bad on me before they just died

sgrcltpunk · August 21st, 2008, 10:53 PM

what about accel super coils ive heard bad things about msd and gms but what about these any input

August 21st, 2008, 10:22 AM	#1
sgrcltpunk Enthusiast 1999 gt stock Join Date: Feb 2007 Location: newport news,va Posts: 940	cop??? ok so i have a small miss every now and then and the mechanic who did my clutch said its a cop going bad but he didn't hook it up to a scanner to see which one so how can i find out __________________ http://i84.photobucket.com/albums/k2.../hflvvvvvv.jpg rep is appreciated

August 21st, 2008, 10:22 AM	#2
sgrcltpunk Enthusiast 1999 gt stock Join Date: Feb 2007 Location: newport news,va Posts: 940	o and if anyone remembers how i was having a surging problem my clutch took that away __________________ http://i84.photobucket.com/albums/k2.../hflvvvvvv.jpg rep is appreciated

August 21st, 2008, 10:54 AM	#4
sgrcltpunk Enthusiast 1999 gt stock Join Date: Feb 2007 Location: newport news,va Posts: 940	ok so can i do this with out all the equipment you know like a spark tester or something __________________ http://i84.photobucket.com/albums/k2.../hflvvvvvv.jpg rep is appreciated

August 21st, 2008, 03:18 PM	#5
cliffyk Regular Join Date: Feb 2007 Location: Saint Augustine, FL Posts: 497	If your mechanic did not use a scanner then his diagnosis of a bad COP is meaningless. Also, with an occasional miss I would suspect that the COP is fine (50% of COPs returned to Ford from warranty work have nothing wrong with them). Pull the COPs and inspect the boots for signs of arcing, and check the spark plugs at the same time. If the plugs have more than 15k to 20k on them I'd just replace them anyway while I had 'em out--they are cheap enough and that will be one less potential issue. New boots and conductor springs can be purchased here for $3 each. __________________ -cliff knight- My Mustang GT 2003 GT, UPR X, Magnaflow, 180° stat, PP 70mm TB & plenum, Sniper Commando tuned 3.73s, 252 rwHP/296 ft.lb. Multi-fuel: burns gas and rubber...

August 21st, 2008, 03:24 PM	#6
sgrcltpunk Enthusiast 1999 gt stock Join Date: Feb 2007 Location: newport news,va Posts: 940	spark plugs are brand new i have had 2 cops go bad on me before they just died __________________ http://i84.photobucket.com/albums/k2.../hflvvvvvv.jpg rep is appreciated

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August 21st, 2008, 10:53 PM	#7
sgrcltpunk Enthusiast 1999 gt stock Join Date: Feb 2007 Location: newport news,va Posts: 940	what about accel super coils ive heard bad things about msd and gms but what about these any input __________________ http://i84.photobucket.com/albums/k2.../hflvvvvvv.jpg rep is appreciated

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