99 Ranger 4.0L 4x4 - engine running bad and no top end.. - Ranger-Forums - The Ultimate Ford Ranger Resource

4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

LinkBack Thread Tools Search this Thread
Old 11-23-2010
Thread Starter
Join Date: Nov 2010
Location: St Paul, MN
Posts: 1
99 Ranger 4.0L 4x4 - engine running bad and no top end..

Long story short, kid came home from college and the truck was running real bad... 99 Ranger 4.0L 4x4 137000 miles.... Missing, hesitating, and would not go over 50mph... Ran the codes, misfire on cyl 3 and 4... put in new plugs, cleaned MAF and IAC... ran a tad better but codes still show misfire on cyl 3 and 4... replaced the plug wires... runs about the same, real bad and will not go fast... put in a new coil... still running bad and will not go over 50.... same codes... replaced injectors on cyl 3 and 4... runs a tad better.. still bad but better... not throwing any codes but only drove it for 4-5 miles... driving the truck is like you are pulling a huge anchor... you put the gas pedal to the floor and the truck gradually picks up speed... does not want to shift though.. if you lift your foot a little, then it shifts... and eventually you top out at 48-49 mph... any help in diagnosing this will be greatly appreciated..
Reply With Quote

Related Topics
Thread Thread Starter Forum Replies Last Post
Best Top Super Top Review 08rangerdan Exterior Semi-Tech 6 05-29-2011 07:44 PM
Billet Grille Closed top or Open top rangerbert General Ford Ranger Discussion 3 03-23-2009 09:03 PM
Engine lacks power/sluggish top-end thump General Technical & Electrical 6 07-28-2008 06:02 PM
ALL offroaders are BAD BAD BAD! FMD General Ford Ranger Discussion 13 04-25-2006 08:21 AM
CONVERTABLE TOP (hard top) of own truck? CROMERANGER New Ideas 9 03-18-2006 06:29 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 -6. The time now is 03:16 AM.

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.