2001 V 10 engine miss when wet
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2001 V 10 engine miss when wet
I have a 2001 V10 with 104,00 miles.about 3 weeks ago it started missing.got home shut off an next day ran fine for a couple weeks then did it again.2nd time it was raining hard. It had 2 coilpacks an sparkplugs replaced at 50,00 whats opinion? try boots or replace coilpacks.also whats opinion on 1A Auto coils for $95.oo set.not planing on keeping trk longer then 2 or 3 yrs
Laughing Gas
Joined: Jun 2011
Posts: 1,223
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From: TN
I would replace the boots and plugs again and while you are at it, inspect the coil packs for cracks. If you can catch the truck missing, try to find which cylinder is skipping by un plugging each coil pack one at a time. As far as replacing coil packs, I would go with motorcraft. There are other brands that some here have used with good results, but can't go wrong with OEM. Yes, they are pricey, but somethings you have to dole out the bucks for.
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found ac-delco coilpacks on amazon for 145.00 for 10.name brand so i emailed ac delco to see where made.my thoughts if im paying to have them changed might aswell do all.Got email back from AC-Delco.there coils are made in US an i found them on Amazon for 145.00 for 10
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Lead Driver
Joined: Mar 2013
Posts: 7,460
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From: Kent Station, WA
Check this thread linked below for some tips as well. When I go in for torque checking I plan on using the o-ring method in the slot of the COP's.
https://www.ford-trucks.com/forums/1...s-the-fix.html
https://www.ford-trucks.com/forums/1...s-the-fix.html
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Also found new cowl hood seal online for 20.00 an change .when i change that i'll make a bridge an see if i can seal everything up
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Thanks every1. Found a great mech. 1st im going to replace cowl hood seal an seal up the gap between the cowl pieces.Then the mech suggested replacing plugs an coilpacks since i can get the AC-Delcos for 145.00 an boots cost 11 a piece.While he's doing it it he will install thread repair kits to prevent sparkplug blowout since im over 100k miles.I'll post when done how it turns out Thanks again
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Fleet Mechanic
Joined: Feb 2011
Posts: 1,812
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From: Thousand Oaks, CA
Our 2003 5.4L Exped had a hood cowl leak which caused misfiring. The water did not cause the coils to go bad. Water got down in the holes and the spark got shorted to the head. Fixed the water leak. Since it was 100k on the plugs, changed the plugs and boots which also replaced some rusty springs in the boots. At 150k changed plugs and boots again. Still have the original coils. The coils will last a lot longer than the boots and springs.
Just because the engine has 100k the heads do not need thread repair inserts. What is going to minimize blowouts is not leaving the plugs in long enough to work loose or not over torquing them. Change the plugs/boots at 50k and with proper torque you shouldn't have any problems. My plugs/boots at 50k were ready to be changed. I've been using NAPA Belden 702418 boots $6.29/ea on their website with good results.
If you're going to install inserts be sure they are a good design insert.
Just because the engine has 100k the heads do not need thread repair inserts. What is going to minimize blowouts is not leaving the plugs in long enough to work loose or not over torquing them. Change the plugs/boots at 50k and with proper torque you shouldn't have any problems. My plugs/boots at 50k were ready to be changed. I've been using NAPA Belden 702418 boots $6.29/ea on their website with good results.
If you're going to install inserts be sure they are a good design insert.
Fleet Mechanic
Joined: Feb 2011
Posts: 1,812
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From: Thousand Oaks, CA
On ours the sound deadener panel was misaligned at the factory and was under the cowl plastic panel. This allowed the water to drip down between the sound deadener panel and the firewall. Water would drip out right on top of #6 & #7. Once I trimmed the panel and the cowl sat flush on the firewall I ran a thick bead of black silicone under the panel the full width of the engine. I used a slow flowing hose to run water down the windshield to see if it leaked anymore.
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