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Pickups Dodge Dakota Dodge Dakota Engine and Underhood Questions
375 messages, Last post on Nov 22, 2009 at 11:39 AM
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Replying to: rolandtignor (Dec 17, 2007 7:33 am) |
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2000 4.7 Dakota. All systems check good reads po171 lean.....Should be simple Tried every thing, but blows black smoke. 02 sensors working no leaks data all good. even tried ecm.Any one had same problem. Thanks
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Replying to: stinky324 (Dec 21, 2007 5:45 am) The 2000 4.7L was available with 2 emmissions packages depending on where your truck was sold. 1) The "standard" emmissions package had 1 catalitic converter and one O2 sensor. 2) The "boarder state emmissions package" had 3 catalitic converter and 4 O2 sensors. Which emmissions package does your 2000 have?
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Replying to: bpeebles (Dec 21, 2007 7:02 pm)
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Replying to: stinky324 (Dec 22, 2007 6:07 am) Since the computer is reporting a "lean" condition... then it is the computer which is telling the injectors to squirt too much fuel (and blow black smoke) You need to keep looking into why the computer *thinks* the engine is running too lean.... this is usually the MAP sensor or the O2 sensors. A good diagnostic software installed on a laptop computer can actually show your all the signals going into the computer. (Including the MAP and O2 signals) That is what I use to diagnose these kinds of issues.
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Replying to: bpeebles (Dec 22, 2007 5:04 pm)
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Replying to: stinky324 (Dec 24, 2007 5:22 am) As a professionl technician , somtimes you have to think "outside the box". Ask youself what else besides the obvious can cause the engine-computer to *think* the engine is running too lean. I have heard of a weak battery causing Dakota engine-computer to behave weird.... have you validated that the battery is fully charged and all cells check out with hydrometer?
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i want to put a small block 350 in my dakota but before that i want to do a frame swap dose anyone know what kind of frame i should go to?
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| I'm hoping someone can help me, I own a 2003 Dodge Dakota it came equipped with a 4.7 magnum engine, I had to have the engine replaced and opted for a 4.7 2006 engine. Since the installation I don't have as much power as before, is there a difference in computers between the 2003 and 2006? I have begun to notice when I drive and let off the throttle I get popping nosies in the exhaust like it's almost backfiring, sounds like the timing is off, also before cranking I have to turn the ignition on let the instrument panel light up a few seconds before I crank otherwise the engine will turn over a few times before it fires up. | |
My 2001 Dakota (4.7 V8) has developed an oil leak. looks to be centered on the botom/front of the motor. almost directly behind the bottom belt pully. could this be a gasket issue? other ideas??
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