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22:56:10 - 12/19/2024
V6 Dakotas
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icemanKY
Dodge Dakota
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8/11/2002
15:51:29
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 Subject: misfire
IP: Logged
Message:
i have a 2000 3.9 quad cab with autolite 3923 plugs new rotor cap button and wires , new cold-air intake , moved ait sensor awhile back but now the truck is starting to miss on steep heels i checked the code and it has a p306 (misfire detected cylinder# 6) can't find the problem runs and idles fine except on a hill also anyone else having problems with a 5 speed when starting sometimes it won't go into and gear till you shut it off and restart?? sometimes just reving the engine up the trans. will start to work fine but it doesn't do it all the time??
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Todd W
GenIII
8/11/2002
19:32:29
|  RE: misfire
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Message:
Have you pulled the #6 plug and checked it's condition? The electrodes should be a light grey color. If they are glazed or white, your overheating or running lean. If they are dark and oily, it's fouling out and could just be a defective plug. If it looks dirty, you can wire-brush the plug gently to clean it. :0)
As for the tranny? I've noticed that on ocassion. Usually on a start after it's sat overnight. Just stick it in neutral, let the clutch out, then try again. Only thing I can think is that on a cold-start the tranny doesn't sync-up right when you press the clutch in. (IE: Since you have to press the clutch to start the engine, nothing in the tranny is spinning. The syncro's don't function, and the gears don't 'mesh' properly when you try to put it into gear).
'00 RC Sport Forest Green, 3.9L, 5-speed 3.55, Hurst Comp-Plus Shifter, Clear-Corners, Speed-Glo gauges, Airaid Intake with relocated IAT, Autolite 3923s, Ported Throttle Body, Borg & Warner Cap/Rotor, Accel Coil, JBA 9mm Wires, JET Stage II, 185 T-stat, Flowmaster 40 w/dual out
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icemanKY
Dodge Dakota
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8/11/2002
20:38:47
| RE: misfire
IP: Logged
Message:
ok thanks i'll check out the plug tom.. as for the tranny just does it sometimes and even sometimes after it's warm and you just shut it off for a few minutes and start it back up. sometimes though when it does it i can get it in first to take off build the rpm up to about 5 and it will start working perfect..like it's something with the engine's speed
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Todd W
GenIII
8/11/2002
21:32:31
|  RE: misfire
IP: Logged
Message:
Hmm... thats odd. Mine doesn't do that. Have you had the 18,000 mile 5-speed servicing done yet?
'00 RC Sport Forest Green, 3.9L, 5-speed 3.55, Hurst Comp-Plus Shifter, Clear-Corners, Speed-Glo gauges, Airaid Intake with relocated IAT, Autolite 3923s, Ported Throttle Body, Borg & Warner Cap/Rotor, Accel Coil, JBA 9mm Wires, JET Stage II, 185 T-stat, Flowmaster 40 w/dual out
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icemanKY
Dodge Dakota
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8/12/2002
11:56:24
| RE: misfire
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Message:
yes it was serviced but maybe it needs it again at 55k hey i just took the plug out and it's white soo i hope that's the misfire problem looks to be gapped off a little too. i thinks it was bad gas that my wife got because that's about when it started she said. later and thanks for the help
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Todd W
GenIII
8/12/2002
12:28:03
| RE: misfire
IP: Logged
Message:
That could be it! Wire brush that plug, get some good gas and pour some fuel injector cleaner in there. :0)
'00 RC Sport Forest Green, 3.9L, 5-speed 3.55, Hurst Comp-Plus Shifter, Clear-Corners, Speed-Glo gauges, Airaid Intake with relocated IAT, Autolite 3923s, Ported Throttle Body, Borg & Warner Cap/Rotor, Accel Coil, JBA 9mm Wires, JET Stage II, 185 T-stat, Flowmaster 40 w/dual out
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icemanKY
Dodge Dakota
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8/14/2002
17:04:07
| RE: misfire
IP: Logged
Message:
ok here's what i did installed a new plug (just on the safe side) still didn't fix the problem soo i put in a new cap and rotor and still no luck. i'm thinking it might be out of timing a little..that's the only other thing i can think of you think it would be worth since it's acting up to go ahead and put in a new timing chain and gears? and idea on how long that job would take doing it alone?also planning on installing a new throttle body while i have the truck down for repairs
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Todd W
GenIII
8/14/2002
17:35:22
|  RE: misfire
IP: Logged
Message:
Well, I suppose it could be the Timing Chain... or it could be something else. If it was me, I'd bite the bullet and get the entire system checked out by a dealer or mechanic. Tell them everything that has been going on, and pay the checkup fee. Or, you can continue to chase an unidentified problem into the realm of not-so-cheap-and-easy repairs.
'00 RC Sport Forest Green, 3.9L, 5-speed 3.55, Hurst Comp-Plus Shifter, Clear-Corners, Speed-Glo gauges, Airaid Intake with relocated IAT, Autolite 3923s, Ported Throttle Body, Borg & Warner Cap/Rotor, Accel Coil, JBA 9mm Wires, JET Stage II, 185 T-stat, Flowmaster 40 w/dual out
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icemanKY
Dodge Dakota
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8/14/2002
18:11:43
| RE: misfire
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Message:
k thanks for the advice i'm planning on calling a dealer tom about the problem i'll let you know something incase 1 of these days you run into the same problem ( let's just hope you have some better luck ;) )
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DB
Dodge Dakota
JOIN HERE
10/26/2003
17:07:18
| RE: misfire
IP: Logged
Message:
I had bought a used 1998 Dakota RC 3.9L 4x4 about 6 months ago from a dealer. The Check Engine Light came on last week so I took it to Autozone to get it scanned. It came up as a misfire on Cyl # 5 so I figured it was best to start with a tune-up. I bought the spark plugs (autolite AP5224) at Walmart and the cap, rotor, and wire set at carquest(formerly NAPA). I changed the plugs but when I went to take the distributor cap off, I noticed that the cap was not tightly secured on the distributor and that I could not get one of the distributor cap bolts off because it was cross-threaded into the distributor housing. I ended up breaking the bolt head off with a socket that I jammed onto the bolt head because there was no clearance between the bolt and the distributor cap. I then turned the engine to TDC and align the rotor to #1 cyl and marked the relation to the cam position sensor plate and removed the distributor. I used The good bolt from the other side of the old cap to find the thread size. It was a 10-32 thread size so I drilled it out using the old distributor cap as a drill guide and then tapped the new drill hole. There was some rust inside the distributor and on the shaft just under where the rotor sits. I cleaned it up with some steel wool and WD40 and put it back in. The truck is running great with no more codes and it runs much smoother.
DB - 1998 RC 3.9L 4x4 No Mods to date
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