2006 Dodge Ram 1500 SLT.....idles rough after it runs for awhile...., ive replaced ALL the sensors on the engine,coils, injectors, alt, bat, ive checked for vaccum leaks, none found, cleaned TB, new egr, pcv,iac, tps...nothing works....starts fine, but the longer it runs, the worse the idle gets, hesistates on take off, but seems to run fine on the hwy...i took it to a shop, i get multiple misfires code..HELP

 

Moved to the correct section.

 

I think I'd find all the ground connections in the engine harness and controller, clean them and reseat.

Unplug the connectors and inspect for any corrosion, clean and reconnect.

The one issue I had on my '05 5.7 Ram was the crank position sensor. It would start fine cold and after warming up it might stumble a bit or just die on me. Wait a short time and it would start again. Must have took a good half hour twisting and working back and forth with penetrating oil to remove it without breaking it off. Anti-seized the new one. No issues since.

 

ive checked some of the grounds already before, not sure if i checked all of them, but still looking, truck giving me po172 code now, imma swap 02 sensors out, maybe a new bad sensor i installed, thanx for the help

 

i think i may have found the culprit, i was looking under the truck the other day and saw the exaust manifold was missing two boltsfound 2 bolts driver side,maybe thats the problem

 

Possible bad gas... thats the first place I would look.

Speed Safe, NICK

 

ive been told that before, but ive already gone thru about 3 tank fulls of fuel, with so many differrent types of injector and fuel system cleaners.....new oil..nothing works....gonna do a compression test next

 

i have been having to replace the cps and crank sensor every year when it gets cold. this year i replaced both and now I have all cylinders miss firing. All but cylinder 5. It also shows that that i have several codes for the coils. i did just replace all of them last summer. Any ideas?

 

i have been having to replace the cps and crank sensor every year when it gets cold. this year i replaced both and now I have all cylinders miss firing. All but cylinder 5. It also shows that that i have several codes for the coils. i did just replace all of them last summer. Any ideas?

 

Replaced bolts on manifold..no luck..still idleing rough