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Old 05-28-2008, 23:27   #1 (permalink)
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Exclamation Truck running LEAN!!

This is my first Thread, thanks for taking the time to read it!

ok, my dad bought me this 2005 3.0 v6 ranger edge.. when i first got it i noticed this "shivering" just by being idle.. it feels worse when its just in park but u can also feel it while driving.. i took it for a diagnostic and these codes came up.. P0171 P0300 302 303 304 306 and 316.. i dont know much about cars but before i had this diagnostic taken for my truck i thought it was a sensor, either the oxygen ir the MAF.. i would like to add that i changed a fuel injector that the mechanic at work said was malfunctioning and the shivering became less.. it got better but it's still not running as it should
another thing.. while in park i step on the gas and it only gets up to 3500 RPMs
any advice or anything you think could be causing this problem?

thanks in advanced
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Old 05-29-2008, 21:58   #2 (permalink)
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Re: Truck running LEAN!!

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<!-- / icon and title --><!-- message --><!-- google_ad_section_start -->This is my first Thread, thanks for taking the time to read it!<v:shape id=_x0000_i1027 style="WIDTH: 18.75pt; HEIGHT: 13.5pt" alt="" type="#_x0000_t75"> <v:imagedata o:href="http://www.fordforums.com/images/smilies/thumbsup.gif" src="file:///C:\DOCUME~1\HP_ADM~1\LOCALS~1\Temp\msohtml1\01\clip_image002.gif"></v:imagedata></v:shape>ok, my dad bought me this 2005 3.0 v6 ranger edge.. when i first got it i noticed this "shivering" just by being idle.. it feels worse when its just in park but u can also feel it while driving.. i took it for a diagnostic and these codes came up.. P0171 P0300 302 303 304 306 and 316.. i dont know much about cars but before i had this diagnostic taken for my truck i thought it was a sensor, either the oxygen ir the MAF.. i would like to add that i changed a fuel injector that the mechanic at work said was malfunctioning and the shivering became less.. it got better but it's still not running as it shouldanother thing.. while in park i step on the gas and it only gets up to 3500 RPMs<v:shape id=_x0000_i1028 style="WIDTH: 18.75pt; HEIGHT: 18.75pt" alt="" type="#_x0000_t75"><v:imagedata o:href="http://www.fordforums.com/images/smilies/tosser1.gif" src="file:///C:\DOCUME~1\HP_ADM~1\LOCALS~1\Temp\msohtml1\01\clip_image003.gif"></v:imagedata></v:shape>any advice or anything you think could be causing this problem?thanks in advanced<v:shape id=_x0000_i1029 style="WIDTH: 18.75pt; HEIGHT: 13.5pt" alt="" type="#_x0000_t75"> <v:imagedata o:href="http://www.fordforums.com/images/smilies/thumbsup.gif" src="file:///C:\DOCUME~1\HP_ADM~1\LOCALS~1\Temp\msohtml1\01\clip_image002.gif"></v:imagedata></v:shape><o:p></o:p>
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Hello Ivaan, and welcome to the forum.<o:p></o:p>
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To start off with, that is quite a few DTC’s to start off with. This little cool tool will help you understand what the codes indicate. All you have to do is type in the make and the whole code, and hit the go icon.<o:p></o:p>
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http://www.eobd2.eu/DTCL.asp<o:p></o:p>
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Now PO171 refers to system too lean bank 1.<o:p></o:p>
This can be many things from a hose, ( vacuum leak ), maf sensor, intake manifold leaks, oxygen sensors, etc. To find if there is a leak or not, some mechanics and I spray starting fluid on parts of the engine in question and see if the RPM rises. And although I have done this many times and never had an incident, I professionally can not recommend to you to use starting fluid. I can only recommend a vacuum gauge, Or carb cleaner, and the carb cleaner works well.<o:p></o:p>
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PO300 indicate a random misfire detection: this could be from processor to coil pack, plug wires, plugs crank sensor etc.<o:p></o:p>
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PO301 indicates cyl 1 misfire detected. This is a cylinder specific miss, it could be a processor, ignition module if applicable, coils, cables, plugs, <o:p></o:p>
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PO302 indicates cyl 2 misfire detected. This is a cylinder specific miss<o:p></o:p>
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PO303 indicates cyl 3 misfire detected. This is a cylinder specific miss<o:p></o:p>
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PO304 indicates cyl 4 misfire detected. This is a cylinder specific miss<o:p></o:p>
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Hmmmmmm No PO305 code, this tells us Cylinder # 5 is working and not missing. <o:p></o:p>
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PO306 indicates cyl 6 misfire detected. This is a cylinder specific miss<o:p></o:p>
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PO316 indicates that a misfire was detected on start up during the first 1000 revolutions of the engine. This is a very distinguishing code. Problems could be : Processor, crank position sensor, cam sensor ( if applicable. ), Bad engine ground can cause this as well, <o:p></o:p>
coils or coil pack, connections, plug wires, plugs etc. etc. etc. But with no PO305 code, I would venture to say, Coils, or plug wires (most likely), or plugs.<o:p></o:p>
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In neutral, on a automatic transmission, the engine has a 3000 rpm rev limiter factory set in the processor. And yours is going to 3500, Some of you issues with this engine maybe temporarily allow this to occur, or it was set high, normally set at 3,000 rpm. This is not an issue.<o:p></o:p>
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Testing plug wires: First of all you’ll need to buy some dielectric grease so the cables are easier to remove next time.<o:p></o:p>
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http://www.jamestowndistributors.com/userportal/show_product.do?pid=8196<o:p></o:p>
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Once you have removed the single cable, ( do only one at a time so you don’t loose the firing order. ) , place the ends of a ohm meter at the same time at opposite ends. Then measure the reading, it should read closely around 5,000 ohms if the value is higher than that the wires are in question. Plug wires will hold an ohm reading of around 5000 ohms for a long time, but once they begin to break down the resistance goes up quickly in carbon fiber cables.<o:p></o:p>
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Before easing out of the fast-food's parking lot, you grab a sip of the hot coffee you picked up at the drive-thru. You take your time as you place the cup in its holder in the center console. No hurry. The approaching traffic may be moving fast, but it's far enough away for you to accelerate up to cruising speed. Good thing, because at about half-throttle you feel the engine misfire. The closing traffic has time to back off and let you sputter up to road speed. But now your engine sputters like a Harley idling at the curb, even at normal traffic speeds. And there's coffee all over the console from the vibration.<o:p></o:p>
What's Up? A brief underhood inspection confirms that all the vacuum hoses are on and that noneofthem have been burned open by leaning against the exhaust manifold. You've touched every sensor connection to see if it's on tight, you've even checked for trouble codes.However, not everything calls for high-tech diagnostics and the latest scan tester. Engine misfire often is caused by leaking spark plug wires, so visual inspection could reveal what's wrong. The jackets may be damaged from the outside by abrasion caused by engine vibration (particularly at the plug-end boots), a hot engine compartment, spilled fluids or battery acid, multiple disconnections and reconnections for other service, or even a family of nesting rodents.<o:p></o:p>
Run the engine in near darkness, and then look and listen. If you see little electrical arcs, or hear a snap-crack, there is high-voltage electrical leakage. Of course, running the engine at idle doesn't exercise the ignition system very hard, so you can add something to the test by spraying the plug wire ends with clean water from a household spray bottle.<o:p></o:p>
Another test: With a jumper wire, ground the metal shank of a screwdriver that has a well-insulated handle. Then, run the tip of the screwdriver along the length of each wire and all around at the coil and plug boots. This will often produce an arc from the wire to the screwdriver.<o:p></o:p>
Now look at the wires under good lighting. If they are damaged by abrasion, oil-soaked, cut, burned from contact with the exhaust, or have a dried-out look with heat cracks, it definitely shouldn't be a surprise if you see arcs in the dark under some conditions. However, if they look bad but there are no arcs, do a resistance check.<o:p></o:p>
A conventional new plug wire has a resistance of 5,000 ohms , the wire probably is bad if the value is much higher than this. An absolutely failed wire will have a hairline break somewhere, and the resistance will be infinity.<o:p></o:p>
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Grab a water bottle sprayer and add a little regular dish soap and water and spray the spark plug wires WHILE THE ENGINE IS RUNNING in park. If the soapy water mixture finds a hole or soft spot in the spark plug wire the spark will jump out of the wire and ground itself to the water.<o:p></o:p>
The engine will really miss and run bad once the spark comes out of the water. If you see the spark come out of the wire or the engine begins to run rough and miss when you spray water on the spark plug wires….you need new spark plug wires!<o:p></o:p>
Watch the video……….<o:p></o:p>
http://www.youtube.com/watch?v=xXAFQa0R9hA<o:p></o:p>
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I hope this helps…………. Chongo<o:p></o:p>
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Old 05-29-2008, 23:49   #3 (permalink)
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Re: Truck running LEAN!!

first off, THANKS CHONGO!! :D
this info. is really usefull!!!
i will check out the codes from the site you gave me
i know it could be a dozen of things (or maybe 2 dozens) haha,
but this is going help me greatly!!
now im more informed about what my car has or may have
cuz personally..
i havent used it that much..
only like for 3 months since i got it..
and now its just there parked without plates):
need to pass the smog and i dont think it will pass like this):
seriously.. many thanks Chongo!
this will really help me now!! :D
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Old 05-30-2008, 15:52   #4 (permalink)
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Re: Truck running LEAN!!

I gotta say DPFE sensor.
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