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Pickups Dodge Dakota Dodge Dakota Engine and Underhood Questions
292 messages, Last post on Aug 01, 2008 at 9:32 PM
You are in the Dodge Dakota Forum. Your Host is kcram
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Replying to: kcram (Oct 18, 2006 8:53 pm) Q:i have 89 dakota 3.9L that gives me very bad milage/gas.i would like to install a 1990 4.0L cherookee engine that i have do you think it is possible?????i know that both dakota and cherokee come in 4 cyl 2.5l engines. thank you
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Replying to: kookoo (Jun 23, 2007 8:47 am) You can read all about it here. and here I am not sure if an AMC engine would easilly bolt into a Dodge engine-bay. |
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I hope someone can help me. My husband bought me a 3.9 Auto, 6 cylinder, RWD Dakota Sport last month. It ran a dream for the first week then we went on the highway and noticed above 70 it started surging but once off the highway it was ok. Then on the journey home the surging continued and then it started stalling when we came to stop at traffic lights. Took it back to the dealer (no warranty) but dropped the level in the transmission fluid-too high. It ran a dream again. Then one week later, whilst doing the school run, the engine stalled at the first intersection. I eventually got it home and that night checked the spark plugs. They seemed fine but the gaps were too close and some too far apart. Changed the spark plugs. Yes, it ran like a dream again but for only two days. My husband took it to work on the same bit of highway- you guessed it, started surging again. On the way home it stalled at the traffic lights again. My husband is no expert but is handy, this is his first automatic truck to fix. We hope someone can help, and hoping it's something simple like a throttle sensor? Thanks Mandy
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Replying to: mandyb (Jun 29, 2007 9:54 am) I would suggest checking the following items as well: Air Filter for excessive dirt, air filter housing for obstructions (leaves, etc.) PCV valve Rubber vacuum hoses for cracks and subsequent embrittlement Defective O2 sensor(s) Defective catalytic converter This vehicle could also have dirty or defective fuel injectors, a clogged fuel filter or weak fuel pump. Could also have a bad Powertrain Control Module. Regards, Dusty |
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I have a 99 Dakota, 3.9L V6 4x4 SLT (73,000 miles). I recently had the catalytic converter replaced on the truck (under warranty) by the dealer. After I got the truck back I noticed that it has a buzzing sound while accelerating that was not there before the repair. It almost sounds like an old VW Beetle. I should also note that shortly after I got the truck back from the dealer, the "check engine" light came on and gave me codes P0132 and P0135. I had the dealer confirm the codes (at a cost of $90.00) and replaced both the upstream and downstream (before and after the cat) O2 sensors. Does anyone have any idea what might be making this sound and is it harmful to the truck? I'm hesitant to take the truck back to the dealer again and get charged another $90.00. Any info would be helpful.
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Replying to: bstupak (Jul 08, 2007 8:08 am) Regards, Dusty |
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Good afternoon all, My 2000 Dakota 3.9 has me baffled! The story behind the truck is recently dropped a new motor in the truck (175,000 miles cracked head). Prior to putting the new motor in the truck it had a bad misfire at idle. After the new motor was put in same problem, No vaccuum leaks new plugs wires cap rotor, distributer IAC, fuel pump number 5 injector, belly pan gasket all within the past year. The truck misfires worse after warm up. Have access to the Snap-on Modis and Mitchell on demand but having a heck of time fixing this truck. When I run a misfire data all 6 cylinders show multiple misfires. The fuel sync is set at 0 Any suggestions would be greatly appreciated |
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I have a 2001 with the v6 in it. I had and went through the same problem as you.My check engine light came on.I done a reading with my tester. It showed that the lower downstream O2 sensor was bad, on the drivers side.I replaced it with a new one. Problem solved, I thought  Two days later after not putting 30 miles on the truck with a new one. The check engine light came on again! I said what the ?...so I checked the brain again, it said the down stream O2 sensor was bad on the passengers side...I said what???? I just put one in the drivers side, give me a break! I replaced that one also...I thought the problem was surely solved now, but it wasn't. The truck started misfiring again within 3 days. I ran another check on the brain, and it said the 02 down stream sensor was bad, it made me mad to say the least! SO I pulled it out and the new one was bent on the tip of it. To make a long story short, both the converters were bad, and needed swapping out, along with the O2 sensors.The converters were damaging the O2 sensors, even after swapping them out. My high dollar brain reader, did not say the converters were bad! After buying 2 O2 sensors, I found out the hard money spending way, thats what was making my truck misfire to start with! I even took the truck to a Dodge dealer and they said the O2 sensors were bad, not the converters, which was a lie! For me to cure the misfire problem. I had to swap both converters and buy 4 new O2 sensors. The whole ordeal was very exspensive, to say the least! You can take your truck to Advance auto,and they will run the test on your truck for free, to see if it's the O2 sensors or converters.The Dodge dealer will charge you for this service, go figure!... If you have the converters and O2 sensors replaced at the dealer, you can look to spend over $1,000 just for the parts,this dont count labor. The exhaust is sold as a whole unit from the manifolds to the mufflers, they won't sell just the converters by their selves! They will sell you the O2 sensors by their selves. I would find a private reputable muffler shop and get a price qoute for reinstalling the 2 converters and O2 sensors.It would be a lot less than the Dodge dealers! I checked around and had the work done for $450.00 at a local muffler shop.(This price don't count what I had done spent on the other 2 sensors:-) I learned the hard way what the problem was to start with:-) Hope you don't! Hope this has helped out, and you can get your truck fixed. |
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