Dakota Forumz banner

3.9l v6

  1. 2002 3.9 acceleration problems when cold

    3.9L V6 Specific Topics
    Im having an issue with my truck that only happens when the engine is cold and it's been raining out. After starting the truck and beginning to drive it will not accelerate correctly, it won't go above 2000 rpm even with the pedal to the floor and it makes a clunking noise that almost sounds...
  2. 1991 3.9L Timing Chain ??

    3.9L V6 Specific Topics
    :confused: Hey guys(and gals) I have been looking for a video tutorial on how to replace the timing chain and sprockets for a 91 3.9l NONmagnum v6. My ALLDATA account is null. I guess my company let their membership expire recently. If anyone has the ALLDATA information or has found a video on...
  3. 1991 Dakota high idle when started

    3.9L V6 Specific Topics
    I have a 1991 3.9l Dodge Dakota, Auto, 4x4 and recently I noticed when I started the truck the engine immediately revs up to 2700-3000 RPM and slowly settled down within 4 or 5 seconds down to the proper "normal" idle. This is a very high idle for this truck and it doesn't sound good...
  4. 2000 Dakota 3.9l 9-11 MPG... What?

    Dodge Dakota General Discussion
    I know, there are millions of threads about the MPG of a 3.9l Dakota being not that great. But why am I seeing such low numbers? I get maybe 220 miles to a tank of gas, on a 22 gallon tank. I've done a tune-up, tires are brand new and aired up, changed the plugs, cleaned the filter, all the...
  5. 1991 Dakota high idle when started hot or cold start

    3.9L V6 Specific Topics
    I have a 1991 3.9l Dodge Dakota Auto 4x4 and yesterday I noticed when I started the truck the engine immediately reved up to 2500 RPM and slowly settled down within 4 or 5 seconds down to the proper "normal" idle. It hasn't done this before. Ive had a lot of problems with this truck in the...
  6. 1991 Shift points for Automatic Transmission??

    3.9L V6 Specific Topics
    I just put a Tachometer on my 1991 Dakota 3.9l Automatic LA block engine. I want a tach in it so I can watch what the engine is doing. I noticed that under FULL Throttle the engine is shifting at 4,000rpm. The engine sounds like its wound out pretty good but the tach is only showing 4k rpm when...
  7. Ignition Switched 12v circuit??

    3.9L V6 Specific Topics
    Hey guys, Im looking to install a Tacho in my 91 3.9l Dakota. It is an Automation truck so there is no factory tacho. I want this gauge so I can keep an eye on the rpms at different times of use. I know that I need to hook the Tacho wire up to the negative side of the coil to get the rpm...
  8. Can I delete the smog system on my 1991 3.9 Dakota??

    3.9L V6 Specific Topics
    Hey gang, Im searching online in various places and Im getting mixed information on this topic. Im looking to delete the smog system on my 1991 3.9 Dakota. I noticed the other day that the bolts that hold the tubes down on the exhaust manifolds on each side are broke off and the tubes are...
  9. Oil Pressure Sensor 1991 3.9

    3.9L V6 Specific Topics
    Hey gang, When I bought my 1991 3.9l Dakota the previous owner had installed an aftermarket oil pressure gauge. I noticed it didnt work when I test drove the truck and it wasnt a concern. After lookin around and trouble shooting it a bit I noticed the sensing tube(plastic) was run to the...
  10. Oxygen Sensors/Trouble shooting Valve Chatter 1991 3.9L

    3.9L V6 Specific Topics
    :confused: Hey guys, Ive looked on Advance Auto parts site for the o2 sensors on my 1991 3.9 Auto Dakota and they are only giving me the "Upstream" one. From what Ive researched there are two o2 sensors no?? ..one being before the Cat and one after the Cat..correct? Do these o2 sensors have the...
  11. how to reset system after check engine light repair 1991 Dakota??

    3.9L V6 Specific Topics
    I recently got a code for a bad hall effect/pickup sensor after the truck left me stranded. Ive replaced the sensor and while I was trouble shooting for another problem I may have had I removed the battery leads. The truck is running now after all repairs but when I do the engine code check...
  12. 1991 Dakota 3.9L throttle response at idle ?

    3.9L V6 Specific Topics
    Hey everyone, like I said in my Noob post last weekend, I'm a recent new owner of my first Dodge. I have some questions about how the truck runs and I hope you all can help. It may be normal but I just don't know. Its a 91 Dakota, 4x4, Auto, 120k miles and I've noticed that when I start the...
  13. Floods When Put In Gear 94 3.9L

    3.9L V6 Specific Topics
    I have a 94 3.9L SLT Dakota. Recently the temperature has dropped to -10 F and I have started having issues with the engine on my dakota. The engine will start and idle fine. After warming up and running for about 15 minutes if I try to put the truck into drive the engine will drop to a very...
  14. Performance intake and exhaust help.

    Intake & Exhaust
    Ok. my first questions are pretty simple. Will the K&N 57 Series fit onto 1994 3.9L Dakota? Will it require any major modifications to either the truck or kit? And is it an actual intake kit or just the K&N filter? The last question is bothering me the most, I can't find any pictures or...
  15. 1997 Dakota to buy...?

    Dodge Dakota General Discussion
    Found this 97 Dakota on craigslist. It looks just like my old one, and Im thinking of buying it. Its super cheap, but requires a bit of work. Nothing I cant handle. What do the DakotaForumZ think? http://minneapolis.craigslist.org/hnp/cto/3557476233.html
  16. 95 dakota that won't start or stay running

    3.9L V6 Specific Topics
    I have a 1995 Dakota 3.9L v6 magnum with only 65,000km on it. It has ran great for the last year until I decided to put it up for sale, so it sat about a month with the occasionaly start and test drive from people interested in it then one i went to start it and nothing! so I purchased a...