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Ignition coil issues

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Old May 21, 2020 | 09:45 PM
  #31  
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My check engine light is for an O2 sensor bank one sensor 2. Would that cause the random stuttering issue I have? It randomly will stutter have no throttle response and putter down the road. Then it'll go back to running good and drive normal back down the road again.
yeah I knew the Rams had their speed sensors there but wasn't sure about the Dakota's. I did pick a manual up today
 
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Old May 21, 2020 | 10:44 PM
  #32  
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bank 1 sensor 2 should be for catalyst efficiency only, should not effect fueling
 
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Old May 22, 2020 | 01:49 PM
  #33  
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Originally Posted by Mechanical_Tree
I appreciate the info and the help. Thank you. So I called auto zone and the cheapest one is 200!!! That seems like a bit much idk. Anybody ever get one off line for a decent price? I found them cheaper online I'm just worried about shopping on line...anybody purchase one on line? Do you remember the company? Thanks again
The cheapest Auto Zone pump is what you buy when you're a used car salesman, or if you want fuel pump replacement practice. I've never had one last more than 6 months. A Delphi, Mopar, Denso or Carter are the only brands I'd use. They are worth the extra cash, because they will last.
 

Last edited by Vimes; May 22, 2020 at 02:10 PM.
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Old May 22, 2020 | 06:24 PM
  #34  
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My check engine light shut off today on its own....
as for the fuel pump, thanks for the heads up. I will go with one of the brands you named. When I do do it. Don't really have the cash right now.
I wiggled a sensor that was on my rear axle and also wiggled a sensor that was on my tranny and my speed sensor started working again. Not sure which one it was. Really couldn't find anything in the Haynes manual about the speed sensor.
I have an interview Wednesday at a quarry working on their trucks and heavy equipment. I have about 5 yrs experience with diesel. Went to school back in 2014 to 2016 at Lincoln tech for diesel technology.
lastly I noticed my over drive button doesn't work, it doesn't seem to shift the tranny any different and the light on the dash doesn't come on either. Where would I investigate that??? I will start searching some threads right now on the over drive issue. I have no problem searching for the info by the way.
 
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Old May 22, 2020 | 06:30 PM
  #35  
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As for my stuttering and no response from the peddle situation. When it starts acting up I just let off the gas coast along the road. Then it eventually clears itself up and goes away. So I've been driving my truck and just doing that to deal with the issue for now. It only seems to happen once in a while.
im prob gonna wait to drop the tank till I can afford a new fuel pump. I do have a part time job for now. (I haven't worked in a garage on diesels for about six months now. So I'm hoping I get this new gig. I miss turning wrenches every day for a living)
 
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Old May 25, 2020 | 06:08 PM
  #36  
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Alright guys. Well maybe this will she'd some light on everything going on with my truck.
my check engine light came back on and is staying on this time. The check engine light is for:
P0301 cylinder 1 misfire detected.
P1457 fuel tank pressure sensor circuit high.
The dude at AutoZone claims these trucks don't have a fuel tank pressure sensor...
Any ideas??? You guys have helped so far
Thanks again for all the ideas and help. This truck is stressing me out. I'm supposed to be starting a new job and need my truck to get to work
 
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Old May 26, 2020 | 06:20 PM
  #37  
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P1457 looks like an evap cannister fault. It's not necessarily a high fuel tank pressure, it may also indicate that the evap system pump can't pull a vacuum.

On the misfire code, swap the spark plug wire from cylinder 1 to another cylinder that the wires can reach each other, remembering to swap at the distributor cap as well. Swap the spark plug from cylinder 1 with any other cylinder other than the one that you swapped the wire with. Clear the codes, then drive until the code returns. If the code moves to one of the other cylinders, whatever component you swapped there is bad. If it remains on cylinder 1, replace the distributor cap. Make sure to only use a distributor cap with brass terminals, not aluminum.

Since you need this for your new job I'd go ahead and replace the plugs, wires, cap and rotor and just be done with it.
 
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Old May 27, 2020 | 10:26 AM
  #38  
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The check engine light turned off after two days.
thanks for that info. I knew about swapping coils but these trucks don't have coils. Minus the one ignition one. I guess I just assumed it was only missfiring because of whatever fuel issue is going on. I'm convinced it's a fuel issue. It randomly stutters and and falls on its face like it's starving for fuel or something. You can put the pedal to the floor and it won't move rpms don't even move then it'll catch and rev and go to take off then choke. Stutter and absolutely no throttle respond. After a min maybe two it stops and drives mint. It ALWAYS happens as soon as you put gas. And normally atleast once per trip say in a 20 mile radius. Haven't taken it too far. The other day the O2 sensor came on for a day. Then turned off. Now these two codes came on for two days and is now off. Idk I'm thinking the computer grasping at straws at what's wrong.
 
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Old May 27, 2020 | 10:29 AM
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Thank you! I googled the code and evap came up so I wasn't sure but I wondered if it was an evap issue because I know or feel it's a fuel issue. I was hoping one of you guys could confirm this!!!
 
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Old May 27, 2020 | 06:09 PM
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Originally Posted by Mechanical_Tree
The check engine light turned off after two days.
thanks for that info. I knew about swapping coils but these trucks don't have coils. Minus the one ignition one. I guess I just assumed it was only missfiring because of whatever fuel issue is going on. I'm convinced it's a fuel issue. It randomly stutters and and falls on its face like it's starving for fuel or something. You can put the pedal to the floor and it won't move rpms don't even move then it'll catch and rev and go to take off then choke. Stutter and absolutely no throttle respond. After a min maybe two it stops and drives mint. It ALWAYS happens as soon as you put gas. And normally atleast once per trip say in a 20 mile radius. Haven't taken it too far. The other day the O2 sensor came on for a day. Then turned off. Now these two codes came on for two days and is now off. Idk I'm thinking the computer grasping at straws at what's wrong.
On a distributor run truck, there's just the one coil. Swapping parts to see what follows has been used for decades.

That being said, if it's a fueling issue, it would either be a bad injector or... a bad injector. Anything else wrong with the fueling system would give you codes P0300 (random misfire,) maybe P0301 through 0306, because anything else wrong would affect every cylinder.. Sorry, not familiar enough with these engines to know if they have individual injectors or not, or if they can be moved between cylinders or not.
 
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