Help on fuel amount - 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 11-22-2012
Thread Starter
Join Date: Oct 2012
Location: Woodland Park, CO
Posts: 6
Help on fuel amount

I need some help here, my truck is saying that my bank one is running to lean. That means my fuel to air ratio is off. One note is I put a k&n air filter on it and I was wondering If that might be kicking off to much air into the engine. Or maybe my injectors are not working or putting enough fuel in. Can I get some help on what is going wrong.
Reply With Quote
Old 11-22-2012
Level III Supporter

iTrader: (12)
Join Date: Mar 2009
Location: Clinton, Ontario
Posts: 8,181
Did you just recently put the K&N in? Over time the oil from your K&N filter can accumulate on the MAF sensor causing it to read incorrectly... might be something to look at!
Reply With Quote
Old 11-22-2012
Thread Starter
Join Date: Oct 2012
Location: Woodland Park, CO
Posts: 6
Nahh everything is brand new!!
Reply With Quote
Old 11-23-2012
web's Avatar
web web is offline
Join Date: Oct 2011
Location: Columbia, MD
Posts: 210
It could have been over-oiled when you purchased the filter, so the MAF could still be getting oil spray during suction. The thing I hate about oiled filters is that they get "better" filtering once they accumulate some dirt. What this means is that until they get to a certain threshold of dirt impregnation, the filter is not actually filtering out the debris as efficiently as it should. What tends to happen is that they rely on the oil in the filter to trap debris, but that oil has nothing else to bind to so it ends up sucking into the engine....and the MAF is directly in the flow of the oil.

Best thing you can do, if you want a "performance" filter is just get a higher flowing Purolator (OEM style) filter, or find a dry flow filter (Amsoil). Avoid oiled filters at all cost.

Last edited by web; 11-23-2012 at 06:23 AM. Reason: Updated test
Reply With Quote

Related Topics
Thread Thread Starter Forum Replies Last Post
amount of drop xcracer314 Suspension Tech 0 11-20-2009 11:32 PM
fun day of wheeling! HUGE AMOUNT OF PICS! LIKE SERIOUSLY 80. and some vids! Tys 4x4 FTW Snapshots 28 03-31-2009 01:23 AM
smoother ride while retaining same amount of lift 01 ranger 4x4 Suspension Tech 30 03-27-2009 12:28 AM
Clutch slave, amount of travel Earl43P General Technical & Electrical 8 06-20-2008 09:27 PM
actual amount of lift muddin'Ranger Suspension Tech 22 02-05-2008 02:32 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 12:34 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 and affiliated sites.