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engine missing? chugging? problem - help!!

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  #1  
Old 03-22-2007, 11:09 AM
caribbean1 caribbean1 is offline
 
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Default engine missing? chugging? problem - help!!

Help please...here's my problem:
I have a 1998 1500 ram 4x4 5.9liter. 104,000 miles live in Wisconsin

Two weeks ago I start it up, pull out of my driveway, all is fine. 1 mile or so down the road, I am at a stop. The engine starts "sputtering" RPM's drop off, rpms go up and down kind of slowly. I step on the gas and there is not much power. I let off the gas, RPMs come up, step on the gas it takes right off. So I go buy some fuel injector cleaner and throw it in my tank.
A day or two later - same type of episode. This has been happening now for 2 weeks -sometimes it just chugs a little, other times it almost dies.It almost seems that the harder I hit the gas, the less power it has. Always when I come to a stop, always within a mile or two or taking off. Today when i hit the gas - there was about 6 fairly loud pops heard from in the engine compartment (heard clearly over the engine noise, but i had my radio off)
I have replaced the plugs, wires, distributor cap and rotor. Air filter appears clean, although i will change it since i have some laying around.

Any help appreciated.
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  #2  
Old 03-22-2007, 05:02 PM
DuranguenzeRam DuranguenzeRam is offline
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Default RE: engine missing? chugging? problem - help!!

had almost same issue but no loud pop changed my tps and good to go
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Old 03-22-2007, 06:50 PM
stroked 383 stroked 383 is offline
 
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Default RE: engine missing? chugging? problem - help!!

Hey I have almost the exact same problem. I am getting the diagnostic engine codes: P0300, P0302, and P0308. I know this is a misfire detected in cylinders 2 and 8. I also replaced the cap, rotors, checked wires, and plugs. I figured it was clogged injectors, but the truck will not even start now. I had the same problem though when it was running it would be fine, but as soon as I would hit the gas, the thing would just about die and backfire. So my only real spot left to go is either the fuel filter...but that appears to only be in the gas tank, and the injectors.
I saw DuranguenzeRam just changed his throttle position sensor, but wouldn't that be throwing a code if that were the problem?? I am at a loss to say the least. Caribbean1 if you found the answer to your truck problem could you respond on here or send me a pm.
Anyone else have any ideas???
Thanks in advance!
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Old 03-22-2007, 08:13 PM
DuranguenzeRam DuranguenzeRam is offline
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Default RE: engine missing? chugging? problem - help!!

It threw a code for one day that it really ran rough then the CEL went away but it was still running rough figured 35 bucks was worth my troubles. If no start did u try and hear the fuel delivery system if its actually sending the fuel?
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Old 03-22-2007, 08:44 PM
stroked 383 stroked 383 is offline
 
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Default RE: engine missing? chugging? problem - help!!

Yep I hear the fuel pump kick on when I first turn the key on....I read on several other posts on the search and I am also getting the P0138 code. I changed that O2 sensor but I had to splice wires because the Bosch O2 sensor wires were about 6" too short. I am going to buy a new O2 sensor that has the right length cables...and clean off the rest of my O2 sensors w/ some electronics cleaner and see if I can't get it running.
And to top it all off, I think my water pump is bad because after looking under the truck today I saw quite a bit of antifreeze....I have only had this truck for maybe 3 months too.....
I will post up after I get it all taken apart and put back together and let anyone know if thats what my problem was....sorry to the original poster for pirating your thread-but thanks!
Josh
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  #6  
Old 08-30-2010, 04:46 PM
Repoman417 Repoman417 is offline
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So anyone have an answer? i have the exact same problem with my 99 Sport. Mine runs worse since we changed plugs, wires, cap, rotor and O2 sensor. I have tried everything but prayer!
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  #7  
Old 08-30-2010, 08:38 PM
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dhvaughan dhvaughan is offline
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how do your plugs look? ok, or does one or more look bad?

any rich gas smell?
does it always do it once warmed up, or ever cold?
do you have a check engine light. do the key on-off-on-off-on to see them in odometer.

backfiring into intake or exhaust indicates and out of time condition - which points to cam position sensor, which is called secondary pickup coil on parts lookups.
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  #8  
Old 11-28-2011, 08:11 PM
canadian_white canadian_white is offline
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i am having the same kinda prob but my truck just stalls when siting at a red light
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Old 11-28-2011, 09:15 PM
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Check IAC, TPS and plug wiring. How is you plenum?
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  #10  
Old 12-26-2011, 11:12 AM
greenjosh greenjosh is offline
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plug wires for sure
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Old 10-15-2012, 12:43 PM
chadzilla chadzilla is offline
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Default 1999 dodge dakota chugging

i just bought a 1999 dodge dakota sport and i is doing the
same thing what do i need to change to fix this.
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Old 10-15-2012, 05:20 PM
mypar_99ram mypar_99ram is offline
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the popping and sputtering sounds like a fuel issue for sure my shot in the dark guess is probably the fuel pump


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  #13  
Old 10-16-2012, 02:54 AM
dlallen66 dlallen66 is offline
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Had this happen with my '99 and it was after I had replaced wires, cap and plugs. Ended up putting the old parts back on and it cleared up so I started replacing the old parts with the new parts one part at a time. When I put the new Distributor Cap on it messed up. Took it back and the parts store looked at it and found a crack around the center post.
I also had a similar thing happen on a 454 big block, the center post of the Cap had burned out.
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Old 10-16-2012, 03:16 AM
89eltigre 89eltigre is offline
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my 97 does this on an occasion , have yet to solve the issue. usually warm start off after a store visit . maybe twice on cold take off . also looking for suggestions .
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Old 10-16-2012, 04:12 AM
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JoshSlash87 JoshSlash87 is offline
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Mine had a slight chugging issue but I only had a cylinder 3 misfire, but I suspect others had to be missing slightly as well. I was using oil also, and I had replaced plenum, intake and throttle body gasket & pcv valve...Fix turned out to be valve seals, cylinder 3 misfire & chugging went away with the check engine light a day after I did the valve seals. During the valve seal job I also took all my spark plugs on a wire wheel & cleaned them up seeing they were only a month old.

I had a grand total of 7 cracked valve seals on a mix of intake and exhaust valves. I suspect a bad intake valve seal would have pretty much the same effect as a blown plenum gasket.

Its been a month and a half since the valve seal job and so far I have zero oil useage,no misfires & zero chugging and a mountain of RAM POWER!.
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Old 10-16-2012, 12:52 PM
Joshua Wilson Joshua Wilson is offline
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i haven't seen anyone mention it but you might check the catalytic converter. with the plenum problems on these engines it dumps oil on the cats making them clog, overheat, meltdown and clog up again. Check the pressure on the front and rear o2 sensors, if the reading is higher in the front then your cat has more than likely had a meltdown.
This would also account for the chugging at 40mph under 2k rpm. At lower rpm there is not enough pressure to blast through a clogged catalytic converter, then pushing the exhaust back in the motor causing the chugging. In the mean time there is still fuel and oil basting the already clogged cats igniting and causing the popping sounds.

Before i did anything drastic I would take it to a muffler shop and have them check the cat if you dont have a pressure gauge.
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Old 10-17-2012, 10:28 AM
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Quote:
Originally Posted by dlallen66 View Post
Had this happen with my '99 and it was after I had replaced wires, cap and plugs. Ended up putting the old parts back on and it cleared up so I started replacing the old parts with the new parts one part at a time. When I put the new Distributor Cap on it messed up. Took it back and the parts store looked at it and found a crack around the center post.
I also had a similar thing happen on a 454 big block, the center post of the Cap had burned out.
I assume it was the Borg Warner Cap? I've noticed all 3 new Caps from Super O's are exactly like that. Since Standard Motor Products has bought them out their parts have went to ****.

I'm buying one from the dealer next.
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Old 10-17-2012, 10:37 AM
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Actually I just got off the phone with SMP and filed a complaint.. they are "looking into the problem"
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Old 10-18-2012, 03:14 PM
chadzilla chadzilla is offline
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Default 1999 dodge dakota

i thought it was my cat because when it would start spitting a spuddering bam my exuahst would blow off at one of my connections right after my y pipe before the cat so i took it out completly and added a 18 inch peiace of pipe but it still does it is seems like it doe's it when i am at a slow speed trying to accelerate.i am buying the truck for 2300 but i dont know if its worth it....
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Old 11-05-2012, 12:35 PM
Cali7312 Cali7312 is offline
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I am having the same issues with my 01' 1500 5.2 I just recently bought.

ONLY does it when it's warm though, lately it doesn't do it anymore.

Chuggs, pops and spits for the first 10min of driving then fine until I shut it off and redrive. I drive with OD off. at a complete stop the idle will get 200-300rpm high then when im on the break it will want to jump forward then after that it settles down.

Here's the thing. I changed the cap(have rotor just haven't changed)
--New air filter, cleaned the IAC and throttle body, oil changed, Seafoamed, injector and fuel cleaners, ran premium in it for a while, had a buddies shop change my plugs and wires when they checkout the tranny and tcase but they said two plugs and wires were stuck and they couldn't get them out and said to try it again after I ran it for a while, would having 2 old plugs and wires cause this but then again I would have to replace them all again not just the two so they are all the same.. or not changing the rotor? I am also getting about 8.5MPG no heavy weight, baby'n the pedal, no mods but 33's.

Thought maybe the cat was clogged was gonna replace or remove it.

Tight on cash, any regards to which I should try first regarding (Cat or TPS or Rotor or try the 2 plugs and wires)
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Old 11-05-2012, 12:35 PM
 
 
 
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bad, cap, code, dakota, dodge, gas, intrepid, p0300, p0308

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