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Drove around 700 miles so far, truck seems to be fixed! Haven’t swapped the last Original injector yet. I have noticed fuel economy has gone up since swapping out those 5 injectors. Since this is my first Hemi I didn’t know what to expect but we were getting 14-16 mpg now we are getting 17-19...
Had a proven ground direct fit muffler and wasn’t happy with how quiet it was so I got my rear resonators removed today, getting the front removed tomorrow. Rears definitely added volume and changed the tone. No more leaky exhaust from the rear resonators.
No clue what caused the injector failure but. 2 were replaced at 20k miles before I purchased, then 5 more at 29k-30k miles. No other parts showed any signs of failure.
UPDATE: got the truck back and all seems to be good now, 7 injectors had to be replaced. 1 original left I plan to replace just as a precaution $35 dollar part I’ll swap out myself.
Good luck. If it turns out to be fuel additives or cheap gas causing it, I’d watch where you fill up. Most likely another underlying problem in the fuel system that is yet to be figured out.
Update: oil change performed last week at Red River Dodge/Ram dealership in arkansas caused the stalling and rough cold starts. Apparently they used the wrong oil and a very cheap oil filter. Had it changed at ORR Ram in Arkansas and corrected that issue. ORR found another faulty injector, they...
Thanks for all the responses, we are taking it to the dealership tomorrow. It’s now Stalling on cold starts. Just had the oil changed Friday. I’ll tell the advisor to check the fuel pump pressure and inspect the rails for trash. If it is trash in the fuel system why isn’t there a filter inline...
Tried searching couldn’t find the info I need. Just bought a used 19 big Horn 5.7 with 25xxx miles (my first mopar) had a slightly rough idle since I bought it figured it was normal. Previous truck was a 6.2L GMC Sierra Denali that required premium fuel so I always run 91/93 premium as a habit...
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