Rough Idle - Ford F150 Forum - Community of Ford Truck Fans

Go Back   Ford F150 Forum - Community of Ford Truck Fans > Late Model F150s > Engine / Drivetrain Talk > 6 Cylinder Engines > 4.2L
Log In 

Rough Idle

Thread Tools Search this Thread
Old 03-17-2010, 03:20 PM   #1
Junior Member
Join Date: Mar 2010
Posts: 9
Thanks: 0
Thanked 0 Times in 0 Posts
Default Rough Idle

I have a 1998 XL 4.2 5 speed. The truck has a rough idle and sometimes shuts off, but as soon as I get up to speed everything is normal. I'm thinking a sensor. I know I have 4 O2 sensors, but I'm not sure if this is the issue.

Anyone have any suggestions??
thegrnbook07 is offline   Reply With Quote
Join F150 Forum

Join Today - It's Totally Free!

Are you a Ford F150 fan? If so we invite you to join our community and see what it has to offer. Our site is specifically designed for you and it's a great place for Ford F150 Fans to meet online.
Once you join you'll be able to post messages, upload pictures of your truck, and have a great time with other Ford F150 fans. Whether your an old timer or just bought your F150 you'll find that is a great community to join. Best of all it's totally free!

Join Today! - Click Here JOIN FOR FREE

Old 03-21-2013, 10:19 PM   #2
Junior Member
Join Date: Mar 2013
Posts: 15
Thanked 0 Times in 0 Posts

ok i got a 97 with the same problem and here is what ive found out on mine so far..... intermittent miss fire on cyl. #3 that not the biggy what is causing my rough idle and dies but as speed runs perfect my problem is i did a compression test and one of my cyl. has only 30 lbs on it where the rest have around 165 lbs if i were you i would do a compression test on all cyl
porath1969 is offline   Reply With Quote

Similar Threads
Thread Thread Starter Forum Replies Last Post
2014 5.0 shudder at idle Mikeyld 2011+ Engine Related Questions 13 Yesterday 10:36 PM
2010 5.4L 3V Rough Idle - Help Ottawavalleylad 2009 - 2014 Ford F150 11 06-23-2016 01:43 PM
HELP! gapped plugs down to .030 on eco and now check engine and no power over 35mph Pappa smurf 2011+ Engine Related Questions 16 09-22-2015 12:29 PM
My 5.4 problem mikeyb_23 2004 - 2008 Ford F150 5 09-14-2015 09:58 AM
Misfire Issues 2005 F150 FX4 155K 73zeak 2004 - 2008 Ford F150 0 09-13-2015 12:48 PM

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

All times are GMT -4. The time now is 04:12 PM.

Copyright 2006 - 20011
This site is in no way affiliated with the Ford Motor Company.