Bogs down when trying to excellerate

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Tracyblue55

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Apr 21, 2022
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Location
Louisville KY
Ram Year
2003
Engine
4.7
I have just purchased a 2003 Dodge ram 1500 4.7 two-wheel drive I have done new plugs new coil cleaned throttle body changed a few sensors calipers having trouble when I try to take off from the stop it's like something is holding it back from going. I have since replaced the PCM and had it programmed catalytic converters were cut off of it when I first bought so I had pipe put in from the front to the muffler still can't understand why it feels like it's chained down trying to go forward and drive but in reverse no problem idles great forward won't idle forward stays running but won't idle forward.two-wheel drive please help
 
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Tracyblue55

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Ram Year
2003
Engine
4.7
Also the indicator light on the park reverse neutral drive 12 is where it blocks it out say about gear in it disappears after all lights go out brake light is flashing also throws code p1698 and p1604 what do I need to do and now throwing code p1603
 

Daw14

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Ram Year
2014
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5.7 hemi
Are your brakes sticking ? Spin each wheel and be sure it’s not the brakes .
 
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Tracyblue55

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2003
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None of them spin freely and I just replaced hub barring a and calipers it's weird
 

10 Break

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Location
Dayton, OH
Ram Year
2007
Engine
4.7
Did you replace the brake hoses? The inner lining can collapse and act as a check valve, preventing the piston from letting go.
 
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