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MOPARornoCAR
Dodge Dakota
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6/03/2007
12:22:45
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 Subject: P0308 HELP!!!!!!!!!!!!!!!!!!!!!!!
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Guys/Gals,
i need some help bad.....on my 01' 5.9.>>>
i got this code....it all happened over a period of like 2 days.....bad chugging with light gas pedal pressures.....thought it was water in gas....etc...
nope...so now i have changed my plugs, cap, rotor and went ahead and replaced coil since the tip was a bit smooothed out from a past bad coil wire.
it still chuggs and throws the code...the engine light is even flashing some times!!!
i am in big $$$ trouble...i just know it...lol
the only thing left to change is plug wires?
FYI....the #8 plug had some wetness from gas on it when i pulled it out...but no signs of oil...???
any thought before i turn it over to dealership.
Thanks in advance!!!!!!!!!!!!!!!!!
Bryan in Va.
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Kowalski
GenIII
6/03/2007
15:03:38
| RE: P0308 HELP!!!!!!!!!!!!!!!!!!!!!!!
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Did you look up what the code means ?
Lead, follow, or get out of the way
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try this
Dodge Dakota
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6/03/2007
15:15:41
| RE: P0308 HELP!!!!!!!!!!!!!!!!!!!!!!!
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it was all i could find
P0308- Misfire Detected
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ScojoDak
Dodge Dakota
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6/03/2007
15:17:00
| RE: P0308 HELP!!!!!!!!!!!!!!!!!!!!!!!
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book says "cylinder 8 misfire detected"
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Shoe
GenIII
6/03/2007
15:19:21
| RE: P0308 HELP!!!!!!!!!!!!!!!!!!!!!!!
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I would check the injectors. I have had nothing but problems with my injectors. I think that it was the fact of previous owners running crappy gas and running it empty all the time.
'97 RC V6, 5spd, soon to be V8, 5spd!
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brianj
Dodge Dakota
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6/03/2007
15:44:39
| RE: P0308 HELP!!!!!!!!!!!!!!!!!!!!!!!
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i also am having problems with a p0308 code mine idles a little rough. (5.2) i changed the wires and it went away. if you got a ohm meter just ohm then out and make shur you got good connections through your ignition system.
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MOPARornoCAR
Dodge Dakota
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6/03/2007
21:52:49
| RE: P0308 HELP!!!!!!!!!!!!!!!!!!!!!!!
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guys,
all connections are good..thats why i replaced my coil cuz the wire wouldnt snap down on it....my wires are @ 60000 miles old.
i switched the wire #7 with #8 today i will post if the new code comes up as p0307 if so...i have narrowed the problem!
How much are new injectors gonna run me parts and labor?
THANks!!
Bryan in Va.
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Shoe
GenIII
6/03/2007
22:06:18
| RE: P0308 HELP!!!!!!!!!!!!!!!!!!!!!!!
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Unless they are broke I would not replace them. I would just try to clean them the best that I can. They make injector cleaner spray just like carburetor cleaner.
'97 RC V6, 5spd, soon to be V8, 5spd!
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partsmanager
Dodge Dakota
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6/04/2007
01:18:59
| RE: P0308 HELP!!!!!!!!!!!!!!!!!!!!!!!
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If you changed plugs wires at the plug end you swapped #8 and#6 wire. Are these original factory wires? Mopar had a load of problems with Induction cross firing with these wires as the wires aged its from the coil wire running parallel with the other wires and causing the missfires. if they are original change them with a Mopar performance set or any other heavy duty set you can find. there was a TSB for this problem for years all the dodges and jeeps with the V-8s they all used the same wire set. try moving the wires apart in the loom as see if it helps
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ScojoDak
Dodge Dakota
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6/04/2007
09:50:11
| RE: P0308 HELP!!!!!!!!!!!!!!!!!!!!!!!
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partsmanager, forgot about that. Good call. Here's that TSB
http://dodgeram.info/tsb/1998/18-48-98/18-48-98-v8.htm
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MOPARornoCAR
Dodge Dakota
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6/04/2007
10:11:25
| RE: P0308 HELP!!!!!!!!!!!!!!!!!!!!!!!
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Guys,
they are the second set of wires...and they are OE mopar wires....my truck has 130000 miles on it....
thanks for correcting me on the #6 instead of #7 ...typo on that.
wife couldnt get the engine light to come on this morning...only flashed at her????
Any more thoughts....or should i just head to dealer...who by the way is great place...no problems!
Bryan in Va.
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partsmanager
Dodge Dakota
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6/04/2007
23:14:35
| RE: P0308 HELP!!!!!!!!!!!!!!!!!!!!!!!
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Mopar I'd change the Cap/rotor plugs and wires at this point because of the mileage but you could quickly just try the 4-6-8 and coil wire fast to see if your problem goes away with the new wires and change that wet #8 plug too. Then go and finish the rest of the tuneup if that fixes it.60-70k miles is alot for factory wires/ cap/rotor. let us know how you make out.
ScojoDak thanks for the TSB
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jjj
Dodge Dakota
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6/05/2007
09:06:29
| RE: P0308 HELP!!!!!!!!!!!!!!!!!!!!!!!
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Have you ever changed the intake belly pan gasket yet? Leak there could throw the code too.
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MOPARornoCAR
Dodge Dakota
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6/05/2007
09:42:27
| RE: P0308 HELP!!!!!!!!!!!!!!!!!!!!!!!
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gUYS,
i got the light back on...still p0308...so its not the wire....the belly pan gasket has been replaced once already....before it was replaced it was throwing injector codes....not cylinder misfire codes
all tune up parts have already been replaced..plugs wires cap rotor etc.
when wife pulled into driveway this morning..there was a awful exhaust smell...kinda like sulfur mixed with rotten eggs???
any more thoughts....got appt for thursday morning at dealer...uhggggggggggggggg
Thanks!!!!!!
Bryan in Va.
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MOPARornoCAR
Dodge Dakota
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6/05/2007
12:20:47
| RE: P0308 HELP!!!!!!!!!!!!!!!!!!!!!!!
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JUST A fyi.......
was out for a short drive...it feels as if something somewhere is not getting gas or to much gas....it idles smooth when in park but when going up thru the gears at normal acceleration...it has AWFUL MISS somewhere>>>>>>>>>>??
Thnaks
Bryan in Va.
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partsmanager
Dodge Dakota
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6/05/2007
12:20:51
| RE: P0308 HELP!!!!!!!!!!!!!!!!!!!!!!!
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did you replace the wet plug you found? maybe gapped wrong or closed when reinstalled? injector 8 could be partially blocked and not spraying a good pattern. lots of poss. but have to start someplace. Is that the only code? its hard to tell what else is going on without a scan tool of some type to see what the other sensors are doing. If you like the dealer you go to and trust them let them take a look at it
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MOPARornoCAR
Dodge Dakota
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6/05/2007
12:22:44
| RE: P0308 HELP!!!!!!!!!!!!!!!!!!!!!!!
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plug was replaced............all of them....gapped .040, double checked.
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Dan M
Dodge Dakota
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6/05/2007
13:23:36
| RE: P0308 HELP!!!!!!!!!!!!!!!!!!!!!!!
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Have you given thought to swapping injectors with #8 and another cylinder? See if the problem follows the injector? just takes time and no new parts.
- Dan M
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Kowalski
GenIII
6/05/2007
15:30:50
| RE: P0308 HELP!!!!!!!!!!!!!!!!!!!!!!!
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Might want to swap the plug to see if the problem follows that too. It's possible to get a bad plug.
Lead, follow, or get out of the way
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MOPARornoCAR
Dodge Dakota
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6/06/2007
09:12:44
| RE: P0308 HELP!!!!!!!!!!!!!!!!!!!!!!!
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DAN ,
i have no clue how to switch injectors....
but thanks......hopefully i wont get money slammed tomorrow ......lol
Bryan in Va.
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MOPARornoCAR
Dodge Dakota
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6/07/2007
12:01:35
| RE: P0308 HELP!!!!!!!!!!!!!!!!!!!!!!!
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EVERYONE,
heres the verdict.......
1. injector 8 was packed tight with a hard sandy substance, rock like form
2. injector 6 had loose sandy substance that blew out when removed
3. plug wires were giving off interference(sp?)
4. cylinder 8 was caked over with carbon
5. the above resulted in a VERY BAD RUNNING ENGINE.
THe following was done to vehicle....
fuel system/induction cleanup...BG PRODUCTS
new wires
Cleaned up 6 and 8 injectors.
Final Cost.....
$280$
road tested and verified with engine analyzer all is smooth as a baby's butt!!!
Thanks for all who helped!!!!!
Bryan in Va.
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