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DODGE DRAGON
Dodge Dakota
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4/27/2003
21:22:30
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 Subject: My truck is backfiring.....
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I have a 2wd 97 rc Dodge Dakota Sport with the 3.9 V6. I've had some major problems with her and she's been sitting hopelessly in my driveway. Before my transmission gave up on me, (right now I only have 1st gear)but i'm getting a new 1 soon, whenever I'd really give it some gas it would choke up and either bog out and die or it would backfire a few times....keep running...or backfire and die. What is causing this? Am I running too rich? How do I fix that? I've never done much to the engine but drop in a K-N filter, and replaced the ignition wires and plugs. I was thinking I could go to the dealership and get my computer flashed? or would a APEXi S-AFC help?? ....also I forgot to mention....there is a wiring harness that comes from all the injectors...and plugs into UNDER the ignition coil...it's very loose, I've tried going to the dealership to get a replacement but they said I'd have to buy the whole entire wiring not just that little clipping harness I need at the end...which would come out to 400+ if I remember right. So after the truck dying on me....I'd get out...wiggle the damn wire and it would turn back on, I figure that was the problem...SO...I rigged it with ALOT of electrical tape....so now the harness stays in place.... so when it chokes, i'm able to turn it back on pretty easily, but the damn thing still chokes. Sounds kinda confusing huh? Any help would be appreciated.
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DODGE DRAGON
Dodge Dakota
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4/28/2003
02:15:41
|  RE: My truck is backfiring.....
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Come on guys, some help please.
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gchemist
Dodge Dakota
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4/28/2003
04:29:35
|  RE: My truck is backfiring.....
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Backfiring is mostly due to bad timing or spark plugs wired incorrectly. Since your's is FI I woulk check the wires.
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Dodge Dragon
Dodge Dakota
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4/29/2003
02:35:54
| RE: My truck is backfiring.....
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Thanks for the tip...I'll check em out tomorrow
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asdflkj
Dodge Dakota
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4/29/2003
23:05:24
| RE: My truck is backfiring.....
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Hmmm
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Ryan
Dodge Dakota
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4/29/2003
23:08:58
| RE: My truck is backfiring.....
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Hey I have the same problem with mine backfiring excessively when I just let off the accelerator... replaced the plugs and wires and everything is correct... any other suggestions?... (Dont mean to piggy back but maybe we can figure something out together.)
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dean
Dodge Dakota
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5/01/2003
01:01:43
| RE: My truck is backfiring.....
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Ryan, I have been researching your problem because my 93 3.9l backfires like crazy when you let of the gas, i have found out the the problem is caused by something defective called a powertrain control module, i don't know what this is and i don't even want to see what the bill will be
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Ryan
Dodge Dakota
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5/01/2003
16:59:10
| RE: My truck is backfiring.....
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Hey Dean thanks for that info. I am gonna look into and let you know later tonight... Im on my way to the Dealership and then my buddies house who wholesales.
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vern
Dodge Dakota
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5/02/2003
07:54:25
| RE: My truck is backfiring.....
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runnin rich-02 or map senors,try the codes.
mis-backfiring-plugs,wires,cracked cap,dist electronic mogule,crank senor,pcm,water in gas,
dirty fuel injecters,coil,timimg,rotor button,bad wire connections,sticky or burnt valve,bent push rods[if the motor has been over rev]
could be any of these or comination of.
hope this helps some.start with the easy things first.
good luck
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DODGEinCC
Dodge Dakota
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5/03/2003
03:46:03
| RE: My truck is backfiring.....
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Damn truck, i need to go home and check out all of the above.
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Dodge
Dodge Dakota
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5/04/2003
04:05:53
| RE: My truck is backfiring.....
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Bump up
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Justin
Dodge Dakota
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5/07/2003
23:47:57
| RE: My truck is backfiring.....
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I have a 97 v6 also. It has 96K miles and I just replaced the plugs, wires cap and rotor button still choking out but doesn't cut off. Once it warms up it's fine. I was tol that it could be the fuel pump. When starting your engine after sitting for awhile, the fuel pump has to give that extra boost for the choke. Haven't checked the pressures yet on the fuel pump, but I think that might be the problem
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Oregon Dakota
Dodge Dakota
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5/08/2003
02:24:10
| RE: My truck is backfiring.....
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I'm not sure of those fuel injected rigs, but my 2 bbl was acting like that because it was staved of fuel when I give gas by a plugged/fouled fuel filter.
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DODGE
Dodge Dakota
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5/12/2003
02:07:09
| RE: My truck is backfiring.....
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bump up
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DODGE D
Dodge Dakota
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5/18/2003
23:56:15
| RE: My truck is backfiring.....
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Ever find a fix on the problem RYAN?
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Ryan
Dodge Dakota
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5/19/2003
01:25:03
| RE: My truck is backfiring.....
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I was told that it had to be a bent push rod or a burned valve.... I am still looking into other reasons but nothing conclusive yet.
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DODGE DRAGON
Dodge Dakota
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5/20/2003
15:53:37
| RE: My truck is backfiring.....
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I was thinking that my Air/Fuel mixture might be out of whack...running too rich or maybe lean...thats why she bogs out and such....I was thinking maybe the Jet Chip stage 1 or 2 could fix the problem? What do you think? Unless you have it and it still does it? Let me know!
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Shank
Dodge Dakota
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5/20/2003
22:13:20
| RE: My truck is backfiring.....
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Check the temp sensors behind the a/c compressor and behind the alternator that are screwed into the intake assembly, they tell the computer to adjust the fuel/air mixture. as for the coil wire try www.painlesswiring.com and go to the "Pigtails" section for a replacement. Good luck
Shank
-- Anybody got an extra 3.9L Oil Pan for 4x4??
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Dodge Dragon
Dodge Dakota
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5/21/2003
00:04:30
| RE: My truck is backfiring.....
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Can't find the pigtails!!
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Dodge Dragon
Dodge Dakota
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5/21/2003
00:16:02
| RE: My truck is backfiring.....
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OK i found the pigtails...which 1 is for me?
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J and J Auto
Dodge Dakota
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5/21/2003
00:21:00
| RE: My truck is backfiring.....
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Check the pickup in the dist.
They do come lose and can cause some strange things to happen.
Just pull the cap and rotor and lift it out and
unplug the wire and take a look at it.
If you are running rich it may be the O2 sensor
and no a jet chip will not fix the problem.
Posible converter failure pluged. gut the case
or replace.
check for carbon tracks in the cap they will look
like a peice of hair inside the cap.
Larry
J&J Auto
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Shank
Dodge Dakota
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5/21/2003
07:32:08
| RE: My truck is backfiring.....
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Not sure which pigtail you need, On my replacement engine the same thing must have happened 'cuz the wires were cut and hooked up to an aftermarket "Performance Coil" Might try to e-mail them. Good luck
Shank
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Bumper
Dodge Dakota
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5/25/2003
23:29:45
| RE: My truck is backfiring.....
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HEHE
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DRAGON
Dodge Dakota
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5/26/2003
17:53:38
| RE: My truck is backfiring.....
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Any new suggestions?
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Ryan
Dodge Dakota
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5/28/2003
17:20:17
|  RE: My truck is backfiring.....
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Well I got bored and realized that I needed more debt so I went and baught I new catalyst. My problem is solved by a high flow cat.
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DODGE DRAGON
Dodge Dakota
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5/28/2003
19:40:36
| RE: My truck is backfiring.....
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hmmmm ? i know my cat is blown. too many things could be causing this crap!!
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