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

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  #1  
Old 10-29-2008
OVERtheEDGE's Avatar
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check engine

had a check engine light today and checked it out and the book said balance too lean. so what does balance too lean mean?
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Old 10-30-2008
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02 sensor, shoulda said like bank 1 or bank 2, so you know which side
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Old 10-30-2008
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oh yeah it did, cant remember which though. is that causing any problems like it is?
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Old 10-30-2008
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what problems..If its too lean, its an o2 sensor just replace them..ALL
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Old 10-31-2008
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Check all your vac hoses before suspecting a bad O2 sensor.
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  #6  
Old 10-31-2008
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Originally Posted by ranger_1999 View Post
what problems..If its too lean, its an o2 sensor just replace them..ALL
wrong!!!!!
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Old 10-31-2008
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wrong!!!!!
ok, if its wrong how bout an explanation of whats right? since just saying "wrong" doesnt help anyone and just makes you look just as ignorant.
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Old 10-31-2008
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It could be a number of things.

On a different car I've personally had this lean DTC code. It turned out to be a piece of lint on the MAF wire.

Could be a vacuum leak.. (hoses, gaskets,ect...)

Rich
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Old 10-31-2008
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Id look for a vacuum leak first.
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  #10  
Old 10-31-2008
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Id look for a vacuum leak first.
how do you do this.. i just got the same error today.. :( and i suspect a leak weeks ago when i heard a hiss coming from the passenger side after shutting off the car.. and its been getting louder... :(
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Old 10-31-2008
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try maf and vac leaks i had the same problem about a year ago spent tons of money in it and never got any answers turned out it was a bad maf sensor
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  #12  
Old 11-01-2008
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i cleared the code last night and drove for awhile and it hasnt came on again. i had a check engine light for a vacume leak before but cleared that 2 and it never came back on. so im guessin thats what its gonna be. now how do i find it? it does that hissing noise 2 when i shut it off
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Old 11-02-2008
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pop your hood while the engine is running and look for collapsed hoses, I had a tear in the hose that goes from the throttle body into the back of the intake manifold. (4.0L sohc) and had the check engine light on, DTC said bank 1 and 2 lean, after I replaced the hose and used the sct tuner to clear my codes havent had a problem.

that hose was making me idle at 1500rpm and under normal driving when shifting gears from about 2900rpm it would stay that high when the clutch went in so of course it caused a bit of problems... lol

BTW a colapsed hose will hiss noticably so it wont be hard to find
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