2.3L & 2.5L I4 Tech General discussion of 2.3L and 2.5L I4 Ford Ranger engines.

Surge at 3100 RPM?

  #1  
Old 03-06-2019
Grumpaw's Avatar
Member
Thread Starter
Join Date: Feb 2019
Location: fishersville
Posts: 53
Surge at 3100 RPM?

Just purchased a 2009 totally stock Ranger XL, 4 banger, auto trans, with only 23,000 miles on it. Truck is in pristine condition, but I have a slight problem that I noticed.
While sitting in driveway and letting engine warm up as I rev it up a bit, it is smooth until I hit 3100 rpm's. At that point the engine seems to surge and stumble, and even giving it
more throttle , dosen't want to go much higher in rpm's.
Haven't taken it out on road yet, and gas that was in tank is probably old (unk age). I filled tank up to full with fresh fuel, and will be changing fuel filter on Sat.
Don't think it's injectors or coil/wires as up to 3100 rpm its as smooth as a new engine.
Any sensor/s it might be??? Not showing a code on dash and no check engine light has come on. I do have a OBT code reader, but not available for a few days...loaned it out.
Any input???
Grumpaw.
 
  #2  
Old 03-06-2019
Grumpaw's Avatar
Member
Thread Starter
Join Date: Feb 2019
Location: fishersville
Posts: 53
OK, google is my friend. Did a bit of research and I didn't know that there was a rev limiter that won't let the engine rev over about 3100 rpm when trans is in park or neutral.
Since I haven't been able to take it out on the road, I'm hoping this is my "problem".
After today with new tags, I'll be taking it out for a real "run".
Grumpaw
 
  #3  
Old 03-06-2019
RF Veteran
iTrader: (1)
Join Date: Jan 2014
Location: Vancouver, BC
Posts: 12,523
That is the problem

REV limiter is set for about 3,000RPM and is active when in Park or Neutral but also if speed is 0MPH
 
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
JohnP46
2.9L & 3.0L V6 Tech
6
01-28-2019 11:56 AM
Holiday
4.0L OHV & SOHC V6 Tech
2
11-14-2017 12:08 PM
SteelHorse4x4
DOHC - 2.3L Duratec / Mazda L Engines
2
09-28-2015 02:18 PM
aj.ash308
4.0L OHV & SOHC V6 Tech
1
04-30-2015 11:02 PM
motoman1980
General Technical & Electrical
1
12-02-2007 03:00 PM


Thread Tools
Search this Thread
Quick Reply: Surge at 3100 RPM?


Contact Us - Sitemap - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

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.