Home
What's new
Latest activity
Authors
Store
Latest reviews
Search products
Forums
New posts
Search forums
What's new
New posts
New listings
New products
New profile posts
Latest activity
Members
Current visitors
New profile posts
Search profile posts
Log in
Register
Cart
Cart
Loading…
What's new
Search
Search
Search titles only
By:
New posts
Search forums
Search titles only
By:
Menu
Log in
Register
Navigation
Install the app
Install
More options
Change style
Contact us
Close Menu
Forums
Other Fast Ford Vehicles
F-150
F150 clearly misfiring, but no codes and no info on mode 6
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="Synyster06Gates" data-source="post: 12826186" data-attributes="member: 121508"><p>So I picked up an 05 F150 in January with the 5.4 3v. I know about the plug issue. I'm at 93k miles and I know I need to do the plugs, but I'm hoping I can get away with just the COPs for the time being. My issue is that at low RPMs between 45 and 55, if I start to ease on the gas (not enough to down shift) to speed up, the truck misfires and shakes. If I ease off the gas and get back into it, it's fine. At speeds of 60+ this doesn't happen.</p><p></p><p>Now I'm confused, because it never throws a CEL. Researching more I decided to find someone to look at the mode 6 data. All cylinders passed. Cylinder 3 shows one single misfire, but this is a daily thing so I don't see how that's possible. I replaced the coil on #3 just to be sure, but no help. </p><p></p><p>Any ideas on what to do short of plugs?</p></blockquote><p></p>
[QUOTE="Synyster06Gates, post: 12826186, member: 121508"] So I picked up an 05 F150 in January with the 5.4 3v. I know about the plug issue. I'm at 93k miles and I know I need to do the plugs, but I'm hoping I can get away with just the COPs for the time being. My issue is that at low RPMs between 45 and 55, if I start to ease on the gas (not enough to down shift) to speed up, the truck misfires and shakes. If I ease off the gas and get back into it, it's fine. At speeds of 60+ this doesn't happen. Now I'm confused, because it never throws a CEL. Researching more I decided to find someone to look at the mode 6 data. All cylinders passed. Cylinder 3 shows one single misfire, but this is a daily thing so I don't see how that's possible. I replaced the coil on #3 just to be sure, but no help. Any ideas on what to do short of plugs? [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Other Fast Ford Vehicles
F-150
F150 clearly misfiring, but no codes and no info on mode 6
Top