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07-24-2010, 09:03 PM
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<-----Needs moar liftz
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Join Date: Jun 2010
Posts: 1,125
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System to Lean Bank 1 & 2
My Check Engine Light has been on forever. Its caused Rough idle and the engine to shake and stall out in the past. It has moved over from that to now not starting at all. The engine with crank like it wants to start but it doesnt turn over. I have done what my Owners manual tells me to do by putting the gas pedal to the floor and try starting it. I did that a few times last night with the engine not starting and no smell of gas. It did start last night with starting fluid however. My gut is telling me the fuel pump is dying and causing this. I have swapped the MAF, Fuel filter, air filter,run more bottles of injector cleaner threw the engine, even Sea Foam all to no help.
Any ideas?
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1997 Ranger XLT
4.0 4X4 Lotta Mods.
2001 Ford Crown Victoria Police Interceptor. 4.6 V8
Quote:
Originally Posted by richarddhoward
my truck will rape your Honda.
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Last edited by TomN; 07-24-2010 at 09:04 PM.
Reason: typo
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07-25-2010, 11:45 AM
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Ford Truck Driver
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Join Date: Dec 2009
Posts: 99
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Re: System to Lean Bank 1 & 2
I'm having the same problem as well with my '01. Same problems, but not stalling out or not starting. It mis-fires at idle, and I had Advanced Auto Parts scan it, with it showing: Lean in banks 1 & 2, and multiple misfires. Anyone have any ideas for us?
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2001 Ford Ranger XLT Stepside: Stock
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07-25-2010, 11:53 AM
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OIF Veteran
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Join Date: Feb 2010
Posts: 6,044
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Re: System to Lean Bank 1 & 2
lean bank 1 and 2 codes almost always mean there is a vacuum leak somewhere and depending on the severity of the leak it can cause rough idles and poor performance. as for the OP's truck not starting now im not sure if its related to the lean codes but its hard to be sure.
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2001 Ranger 4x4 Stepside
-RCD Suspension lift
-33x12.5 BFG KM2's on Mickey Thomson classic locks
-4:56 gears
-Auburn gear LS
-James Duff traction bars
-Headers
-Flowmaster duals
-SCT X-Cal2 and some small exterior mods
http://www.cardomain.com/ride/2321189
2005 F-150 Lariat 4x4
- LED third brake light
-Weathertech floor liners
-Edge tuner
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07-25-2010, 02:07 PM
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Semper Paratus
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Join Date: May 2009
Posts: 274
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Re: System to Lean Bank 1 & 2
Can you post up the actual codes? It may help.
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'20 Ranger Lariat FX4 Oxford White
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07-25-2010, 05:29 PM
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Scored with your sister
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Join Date: Jul 2010
Posts: 89
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Re: System to Lean Bank 1 & 2
Jp7's thread is spot on.
You have either a done for fuel pump, or blown out intake gaskets pulling too much air in.
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ASE / Nissan / Hyundai / GM Certified Technician.
"I make slow shit go fast, and fast shit go faster".
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07-25-2010, 05:52 PM
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DISABLE ADBLOCK: LOLZ
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Join Date: Dec 2009
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Re: System to Lean Bank 1 & 2
the trick is "where on the load scale are the maps being compensated"
Load or non-load.
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07-25-2010, 06:26 PM
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<-----Needs moar liftz
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Join Date: Jun 2010
Posts: 1,125
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Re: System to Lean Bank 1 & 2
I talked to my mechanic and even with me not wanting to, Friday we are dropping the tank and swapping out the fuel pump.
__________________
1997 Ranger XLT
4.0 4X4 Lotta Mods.
2001 Ford Crown Victoria Police Interceptor. 4.6 V8
Quote:
Originally Posted by richarddhoward
my truck will rape your Honda.
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07-25-2010, 07:52 PM
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Chrome Dont Get You Home
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Join Date: Dec 2009
Posts: 1,169
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Re: System to Lean Bank 1 & 2
my sable had the lean codes and the misfire and i had to rebuild the top in and see the nice little pushrod not inplace in cylinder 5that caused the misfire and the trashed head gasket that was a fun project..
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1990 Ranger Extended Cab
2.9L V6 5 Speed Transmission
Planning to put a 347 and a T-5 in it eventually
Quote:
Originally Posted by FireRanger
It looks like someone attacked the front of the truck with a bedazzler.
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07-25-2010, 10:48 PM
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Ford Tough
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Join Date: Feb 2010
Posts: 257
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Re: System to Lean Bank 1 & 2
Fuel pump goes out. People always say "they just go out they don't get weaker, they just go" that is not the case. A month before mine went out, I experienced the engine codes you got, as well as a hesitation in taking off, to almost no power at all, to a rough idle to a horrible miss-fire. All that stuff went away for about a day, and it was running like champ, shut her down in my drive way (behind my damn main vehicle), and went to start it a hour later, and it wouldn't crank.
Fuel pumps do not just go on these things, I mean they can, but most of the time you get these codes, along with the issues you were having.
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2004 Ford F150 Automatic FX4 SuperCrew 5.4L 3V Triton V8, No Muffler, true dual straight pipes, 3.73 Gears, 18" rims with Wrangler A/T's
White 2004 Ford Ranger XL, Auto, 4.0 SOHC, 4x4 Base Model, 16" Explorer Rims. 3.73 Gears, No muffler(Sold)
White 1997 Ford Expedition XLT 3inch Suspension lift, 38 Firestone M/T's 98 4.6L Police Interceptor high flow injectors, Super 44, brand new rebuilt transmission, with 3.73 gears(Not mine no more)
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07-26-2010, 01:28 PM
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Ford Ranger Driver
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Join Date: Jan 2009
Posts: 6,268
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Re: System to Lean Bank 1 & 2
Quote:
Originally Posted by TomN
I talked to my mechanic and even with me not wanting to, Friday we are dropping the tank and swapping out the fuel pump.
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1) you really should do a fuel pressure test (takes about 20 minutes, check the fuel pressure regulater for fuel in the vacuum line also) dx AND THEN REPLACE
2) you might want to consider puloling the bed of to change the pump.....check your leafspring hangers and shckles for rust if they need replacing you can do it with the bed off
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2004 Ext Cab, 4WD, 4.0, Auto, 154k. (4.0 engine is out of a 2009 Ranger w/96k) ( as of 7/1/2017)
2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).
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10-15-2010, 09:54 PM
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Learning to use the forums
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Join Date: Oct 2010
Posts: 3
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Re: System to Lean Bank 1 & 2
I'm having the same problem as well with my 1998 4.0 ranger. Bank 1 and 2 run too lean. what could be the trouble.
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1998 xlt 4.0 Ranger
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10-15-2010, 10:08 PM
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Banned
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Join Date: Mar 2010
Posts: 14,046
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Re: System to Lean Bank 1 & 2
Quote:
Originally Posted by fmenghini
I'm having the same problem as well with my 1998 4.0 ranger. Bank 1 and 2 run too lean. what could be the trouble.
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Try this dude, common problem
http://www.fordrangerforum.com/4-0-s...look-here.html
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10-20-2010, 03:08 PM
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Life is like skid marks
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Join Date: Oct 2010
Posts: 139
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Re: System to Lean Bank 1 & 2
Quote:
Originally Posted by More_Cowbell
my sable had the lean codes and the misfire and i had to rebuild the top in and see the nice little pushrod not inplace in cylinder 5that caused the misfire and the trashed head gasket that was a fun project..
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typical of the Vulcan engine
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98 Ranger, Bagged 2600's in the front, 2500's in the rear. 3 Gal tank. DJM Upper and Lower control arms. 2 Thomas Compressors (garbage). 4 linked rear with C-notch. All (except cab) fiberglass. Custom Tribal Paint (soon to be Sunburst/burnt Orange).
Coming soon - 405HP 4.6L (SOHC), 4R70W
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01-22-2011, 01:45 PM
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Ford Tough
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Join Date: Dec 2010
Posts: 310
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Re: System to Lean Bank 1 & 2
I have the same problem with the codes, I had to replace the lower intake gaskets. Also while I was in there, I had to replace the lower intake manifold gasket. Had a small leak from the back passenger side of the manifold. It's an easy fix.
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