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CJ
Dodge Dakota
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10/14/2005
02:23:41
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 Subject: Truck starts... wont run
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Message:
I'll make it quick, my truck, a 99 dak 3.9 4x4 auto cc, started
ideling funny, and rough, but not toooo bad. I drove to 3 places
today, all went well. I parked to pick up my friend, and when i
started the car, it turned over and ran, then dies emediatly. If I
dont give it gas, it wont run, but it runs like normal if I give it
gas of any kind.
I had to get it home or I woulda got a fatty parking ticket, so I
drove while keeping my foot on the gas and reving it at stop
lights in nuetral.. If i let off the gas for a second.. its dead... It
wont idle
My guess.. TPS sensor...Thoughts?
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tireman
Dodge Dakota
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10/14/2005
06:50:51
| RE: Truck starts... wont run
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Message:
Ideas:
-Bad Battery
(Battery is always dead)
-Alternator
(If your battery always needs charging, after driving.)
-Main fuse in underhood fuse box, coming off of battery.
(Would be only running off alternator, which would kill you car at an idle, but not at acceleration.)
-Fuel filter
(If this is plugged up, it would have trouble running at an idle, because not as much fuel pressure needed at idle. The more pressure, would allow fuel to go by plugged up area.)
-fuel pump
( This could cause it, but most likely it would be all the time.)
Hopefully something I said will help you solve your problem. Post and let me know what the problem was when you fix it.
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cj
Dodge Dakota
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10/14/2005
11:16:03
| RE: Truck starts... wont run
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Message:
Thanks. I'm in college and have no extrra time, and will be taking it
in to a local shop to see whats wrong... cuz it dies real fast without
giving it gas, otherwise it runs good as new. all electronics works
too. could be anything i guess.
Thanks ill keep u posted
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Mark
Forum Moderator
10/14/2005
11:26:29
| RE: Truck starts... wont run
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Message:
Idle air control valve
You can fix this to get yoruself home by sticking a piece of paper on the throttle body wehre the cable pulls so its like being partially on the gas.
Replace the valve. its about $40
I found it usually gave me more trouble in wet weather.
-Mark Hryckiewicz
1993 Sport RC SB 5.2L Auto
Mark.DodgeDakotas.com
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Mark
Forum Moderator
10/14/2005
11:30:29
| RE: Truck starts... wont run
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Message:
I also forgot to mention that fixing this is as easy as two torex screws and an electrical plug. Its located in plain view on the back of the throttle body.
-Mark Hryckiewicz
1993 Sport RC SB 5.2L Auto
Mark.DodgeDakotas.com
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Slim
Dodge Dakota
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10/14/2005
14:04:06
| RE: Truck starts... wont run
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Message:
Mark is right.
just have your battery checked also as it can cause this valve to mess up if its weak(messes with the computer, happened to mine)
the valve is located on your throttle body on the back. there are 1 or 2 screws like mark said that hold it in, they are the anti theft torque screws so its usually easier to get off if you take the TB off.
I just had to replace mne and it was 56 at autozone.
that is a gurantee that is the problem.
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Mark
Forum Moderator
10/14/2005
14:06:53
| RE: Truck starts... wont run
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I hope he sees this thread in time. I missed him by ten minutes.
-Mark Hryckiewicz
1993 Sport RC SB 5.2L Auto
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cj
Dodge Dakota
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10/14/2005
16:12:33
| RE: Truck starts... wont run
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Message:
Hey guys. thanks for the tips, really.
I woke up this morning to go to school, and wanted to start the
truck before i left for kicks.... it started... and ran... but still
kinda rough, but it didnt die??
when the engine warms up, engine acts/runs better too, besides
yesterday when it wasnt running at all.. My dad's being really
nice and paying for most of whatever the cost... and its finals, so
i have no time to work on it or i would, so I am taking it in the
dealership and wrote down what you guys said it might be, so
they can check that out first...
Thanks a bunch
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Mark
Forum Moderator
10/14/2005
16:40:18
| RE: Truck starts... wont run
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Message:
OH no! You already spent more time taking it to the dealership than you would have to fix it on your own.
The fact that it runs better when its warmed up is even more of a hint that its the Idle air control valve
-Mark Hryckiewicz
1993 Sport RC SB 5.2L Auto
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cuzindoug
GenIII
 
10/14/2005
17:34:52
| RE: Truck starts... wont run
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Message:
Mark is right buddy, it takes TOPS 10 minutes ti install this part. At least ask the stealership for all the parts they remove/replace, just in case they replace something they shouldn't have.
If it ain't broke, fix it til it is.
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Slim
Dodge Dakota
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10/14/2005
18:55:11
| RE: Truck starts... wont run
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Message:
NOOOOOOO!!!!
dont take it to a stealership!
hell we can tell you how to test it, clean it even if you dont wanna replace fully....
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Mark
Forum Moderator
10/14/2005
20:55:03
| RE: Truck starts... wont run
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Message:
Its about as easy as changing a single spark plug.
Remove airhat
Unplug wire from IAC valve
Put torex bit in a 1/4" socket and remove with a rachet (otherwise its a little tough to get behind it with a long torex driver)
slide broken part out of hole
Open box of new part
slide it in place.
Tighten two screws
Plug in electrical connector
Replace airhat
I think it took longer for me to write that out than it would take to change the part.
Do you live around the NJ area? I bet its the wet weather that made it begin to work improperly.
-Mark Hryckiewicz
1993 Sport RC SB 5.2L Auto
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Slim
Dodge Dakota
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10/14/2005
22:24:00
| RE: Truck starts... wont run
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Message:
lmao
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CJ
Dodge Dakota
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10/15/2005
22:35:18
| RE: Truck starts... wont run
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Message:
I'll try that out then.. anyway to see if it is the problem before i
do it??? The thing is, yes, it runs worst in wet weather, but
mostly when it first starts up (cold start). When it warms up its
90 percent normal. The thing is, the day it would turn over but
not idle at all, was when it was running for 45 mins, so it was
well=warmed up... makes no sense? Then the next day i start it
and it runs/isles, but rough liek it always used to, and runs great
now...
(BTW, i got it back from the local shop and they said they
couldnt figure it out whatsoever, even when i told them what the
problem could be... but they didnt charge anything and i got it
back... I'll keep u posted)
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Mark
Forum Moderator
10/15/2005
23:17:21
| RE: Truck starts... wont run
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Message:
You win!
How you describe it, there's almost no doubt that its the Idle Air Control Valve. Mine was bad for a whole year before I finally replaced it. I'd just pull it out and clean it periodically. Its that easy... and I was that broke at the time. Mine would usually take 10 minutes or so to warm up to the point where it would idle well.
Once I was in Atlanta and saw someoen with a jeep. Same engine, Same problem. I told them what it was and they looked at me like I was nuts. Its probably one of the most common things that needs to be fixed besides regular maintenance (oil, spark plugs, ball joints, etc). Its funny that the dealership was stumped. They are supposed to be the pros right? HA!
-Mark Hryckiewicz
1993 Sport RC SB 5.2L Auto
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cj
Dodge Dakota
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10/15/2005
23:55:18
| RE: Truck starts... wont run
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Message:
Haha no kidding, thanks for letting me know what the deal
was... Also, why would dodge/chrysler design a part like that,
that needs that much maintanence (The average person would
never have a clue about it...) Anyways, yeah I heard the IAC
valve causes alot of issues sometime or another on their daks, i
guess it is my turn. I guess for 90k it is doing well...
Seems like everything goes out at once on these things.. no
probs ever till this last year, i had to replace all brake system, all
ball joints, all tie rod ends, front right hub, steering columb
(mostly front end crap..) at that time you wouldnt believe how
mad i was at thsi truck, then this occured, which is the least
problematic thing i have had with it. Hopefully since I replaced
sooo much on it it will be ok for a while now.. its gotta get me
through college...if another big thing happens, it will not be able
to be fixed... too bad..
Thanks ill let you know mark how thnigs went aka if it was the
prob
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Mark
Forum Moderator
10/16/2005
00:30:11
| RE: Truck starts... wont run
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Message:
Cool. Keep us posted.
Wait till you get to the 99k - 102k range and find you need a water pump! haha
Its all routine. These trucks work great once you understand them. You'd be surprised how many things go wrong assuming they are huge repairs... until doing a little searching on dodgedakotas only to find out that most cost less than $50 to fix.
-Mark Hryckiewicz
1993 Sport RC SB 5.2L Auto
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cj
Dodge Dakota
JOIN HERE
10/16/2005
01:02:36
| RE: Truck starts... wont run
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Message:
True dat. haha.
Besides myself..all the problems on daks seem to have extreme
effects, but arent that bad.. what i mean is, most other cars my
fam has had problems with started out ot be nothing, then
bang.. to find out one of our gm's threw a rod at 34k.... wow
Then on a dak, the thing wont run! oh no!.. the case? a 50 dollar
part, haha
Even though I have spent around 3k in repairs for this truck...
obviously i didnt do my own balljoint repair...
But yeah ill post if it works or not.
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Cj
Dodge Dakota
JOIN HERE
10/17/2005
17:58:26
| RE: Truck starts... wont run
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Message:
Aiight fellas, here is the scoop.
I bought an IAC Valve, replaced it.. and it still ran crappy... but
glad i did, because it looked perty dirty, and I cleaned My TB
while I was at it...
Anyways, so that convinced my dad that we needed to get it
taken in to get checked on, so when he visited me from college,
he drove the truck back home to where our trusty mechanics
are, who we go to all the time and the owner knew my dad
before his business... good place
Anyways, he noticed that the fan clutch was total afu, and
needed replacing.. So i was like " ok" and he showed it to me
and it didnt seem to be working right, so ok whatever.
Then today he calls me dad saying the intake manifold's gasket
is totally shot, and leaking major air, and my dad took pics of it
and showed them to me, and yeah, it looked bad..
Weird thing is, i never even heard like a valve tap or leaking type
sound from the engien at all... I thought if a gasket leaked,
esecially the one between the intake manifold did, that it would
cause that type of exhast leak valve tapping kinda sound? well it
didnt... Now the money and labor racked up and i am gonna be
broke... yay.... yeah and my tranny leaks too but i said forget
that, its a slow one, and i check the fluid every week and it isnt
noticable...
I just wanna drive this thing the least amount i can and sell the
thing once i can... this thing just keeps rackin em up.. I know
theres worse.. but its just one thing after another with this
truck.. prob shoulda bought a Gen II, it woulda lasted longer.
Dono if it will be another dodge though...
sors.. kinda mad about this.. Haha would you all be mad at me if
i said i'd prob get a toyota truck next? haha..
My friend has a 93 that his dad owned, it has 140k on it...
besides normal maint. like brakes etc.. nothnig has gone wrong
with it... i hate that.. then here i am with a newer truck at 90k
and its been 4k in repairs... forget this
Thanks mark for your help...very much appreciated.
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cj
Dodge Dakota
JOIN HERE
10/17/2005
18:00:45
| RE: Truck starts... wont run
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Message:
I just read that posts and FYI, i take good care of this truck, maint.
and all.. It just sounds like if someone read that, that "CJ" doesnt
take car of his truck... anyways.. thought i'd pop that in there
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Mark
Forum Moderator
10/19/2005
06:01:07
| RE: Truck starts... wont run
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Message:
Well it sounds like you got a bad apple. From how you described it, I woudl have sworn that the IAT valve was the problem. I wouldnt suggest doing the manifold in your spare time. Its a half day's job... or full day if you combine it with a case of rolling rock like I did 5 years ago. Half the engine has to come out. Do you notice ping or detonation at higher rpms? That would be a sign of a leaky manifold. More air gets sucked into the engine causing the mixture to be lean. This causes ping or knock or detonation or preignition or whatever you want to call it. Sounds like crackling at high rpms or marbles at low rpms.
Sorry to hear it didnt work out for you. I have a 93 with 140k like your friend. Thanks to the guys on this site, I never had to take it into the shop.
-Mark Hryckiewicz
1993 Sport RC SB 5.2L Auto
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