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rpmdiag
rpmdiag, Tech and Instructor
Category: Dodge
Satisfied Customers: 7476
Experience:  Since 1975
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My truck is running rough at idle and it stumbles at

Customer Question

My truck is running rough at idle and it stumbles at takeoff
JA: Is the rough idle intermittent or consistent?
Customer: Consistent
JA: What is the model/year of your Dodge?
Customer: 04 Dodge Ram 1500 hemi
JA: Are you fixing your Ram 1500 yourself? What have you tried so far?
Customer: I am fixing it myself. New plugs new wires I replaced 2 coil packs map sensor O2 sensor cleaned tb
JA: Anything else you want the mechanic to know before I connect you?
Customer: It was drove through the hurricane we just had but didn't mess up till a few days later
Submitted: 7 months ago.
Category: Dodge
Expert:  rpmdiag replied 7 months ago.

Hi, I'm Ron and I will be helping you today.
Stand by for a moment while I prepare your answer.

Customer: replied 7 months ago.
Thank you
Expert:  rpmdiag replied 7 months ago.

It sounds like you may have a vacuum leak internally or externally. Check for that first with water and a spary bottle externally and you need a smoke machine to check internally for intake gaskets etc.

Also check your idle air control motor for being bad or loaded with carbon on the pintle valve.

Thanks, Ron

Customer: replied 7 months ago.
How can I check the idle air control motor?
Expert:  rpmdiag replied 7 months ago.

Remove it from the throttle body and look inside of it. You also may want to clean the throttle body while you're already there.

Thanks again and please remember to rate me 5 stars and keep this link in case you need me again later on.

I don't get credit for helping you until you rate me:)

Ron

Customer: replied 7 months ago.
The check engine light came on I have 2 codes p0175 and p2097. Throttle body is cleaned
Expert:  rpmdiag replied 7 months ago.

You're running rich in that one bank. It can be an O2 sensor issue or a leaking fuel injector.

Thanks again,

Ron

Customer: replied 7 months ago.
after messing around I noticed the voltage gauge was lower than normal. I turned the ac on it lowered a bit but then I rolled down the windows and the gauge dropped drastically. So now it's making me think alternator
Expert:  rpmdiag replied 7 months ago.

I agree that the charging system needs to be correct.

Thanks again and please remember to rate me 5 stars and keep this link in case you need me again later on.

Ron

Expert:  rpmdiag replied 7 months ago.

If you are satisfied with my answer, I would greatly appreciate a 5
star rating now and I will still assist you after you have rated me
too if another question pops up. I don’t get credit for helping you
until you rate me.
Thanks again, Ron

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