Go Back   Ford Truck Enthusiasts Forums > Performance, Engines & Troubleshooting > Other Ford Engines > 4 Cylinder Engines
Sign in using an external account
Register Forgot Password?


Welcome to Ford-Trucks Forums!
Welcome to Ford-Trucks.com.

You are currently viewing our forums as a guest, which gives you limited access to view most discussions and access our other features. By joining our community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is fast, simple and absolutely free so please, join the Ford-Trucks Forums community today!





 
Reply
 
LinkBack Thread Tools Search this Thread
  #1 (permalink)  
Old 04-19-2011, 10:10 PM
offroadnt's Avatar
offroadnt offroadnt is offline
Junior User
 
Join Date: Feb 2011
Posts: 96
offroadnt is starting off with a positive reputation.
'91 2.3L EFI won't accelerate.

My son got a '91 Ranger with a 2.3L EFI and a five speed. When he got it it wasn't roadworthy, it needed rear springs, grille, steering shaft, brakes, brake lines, front shocks, one day at pick n pull, a truck load of parts and a few days and it's roadworthy...
We have a problem...when we try to accelerate the truck will sputter and sometimes backfire. The engine runs fine to half throttle position then it acts like it's starving for fuel. If it's parked and you push the throttle about half way it will run to the rev limiter but if you push it all the way it'll sputter back down to around three thousand. It's also hard starting when cold, when it's warm it starts fine.
Checked the plugs (it has two sets ) they are fine, it runs like a dream at idle and if you rev it slowly.
Added fuel, replaced the fuel filter, checked timing, alternator isn't working (taking it in to get checked tomorrow) but the voltage is above 12v.
The fuel pump runs for five seconds and cuts out when you turn on the key, sounds OK, runs all the time when the engine's running. I haven't been able to check the fuel pressure yet (don't have gauge) but I opened the valve with a small screw driver while it was running, it doesn't seem to have allot of pressure and the engine sputters when I open the valve.

This is a fascinating engine! Like I said it has two sets of plugs and the ignition cuts out till the engine comes back to idle, seems to be ahead of it's time. I would think it should have more than a hundred hp . This truck has tall gears, it'll do a hundred km/hr in second gear easy and does about 1600rpm at 100km/hr in high gear, it's gonna need everthing that engine can produce to maintain the speed limit .

If anybody has any ideas I would really appreciate your feedback. Thanks.
Reply With Quote
Old 04-19-2011, 10:10 PM
Reply

Go Back   Ford Truck Enthusiasts Forums > Performance, Engines & Troubleshooting > Other Ford Engines > 4 Cylinder Engines

Tags
04, 1986, 23, 94, accelerate, car, diesel, duty, expedition, f350, fast, ford, liter, ranger, speed, super, v8, wont

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 On
Trackbacks are On
Pingbacks are On
Refbacks are On
Forum Jump



All times are GMT -5. The time now is 09:18 PM.


Powered by vBulletin® Version 3.7.5
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Advertising - Terms of Use - Privacy Statement - Jobs
This forum is owned and operated by Internet Brands, Inc., a Delaware corporation. It is not authorized or endorsed by the Ford Motor Company and is not affiliated with the Ford Motor Company or its related companies in any way. FordŽ is a registered trademark of the Ford Motor Company.

vbulletin Admin Backup