Hi all ,i have 03` durango & same problem,so i have some tips on how to solve idle problem,there is a valve between battery & fender.this valve has two wires & two hoses,one hose connected to air intake another to pressure valve,so if you just take the first hose off it will run good but,higher rpm & check engine lights will come on.some older models have this valve on front panel behind engine.
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Tune up, air and fuel filters. When was the last time? Also Dodge has several software upgrades for Durango's. Both for the ECM and the TCM. You can call a dealer and ask for your truck, have the VIN number handy, they will need it.
from experiance you have a faulty injector,try running a fuel cleaner through the fuel system first and see if will clear the problem if this only improves the fault then run a second lot through its cheaper than an injector.adrian,,,,,,,,,
4.9 litre ?? you having a laugh its a 10ton truck engine not a pick up -global warming machine,remove the pump/sender unit and check the gauze filter also look inside tank for a something floating around ,i think the idles is not a related problem to the vehicle losing power but their is a possibility you could have a problem with the little vac operated thing on the fuel injector line that allows the fuel through only when the engine is running
you have a bad injector, if you have A... as it states on the top of the motor 2.8, 3.1 L MULTI PORT and dies or idles really rough and the exhaust smells like strong gas. most likely you have an injector that has shorted or is shorting out and from my experiences usually after a road trip or using fuel injector cleaner or buying a used car. it will cause half the motor to not run or run poorly VERY POORLY or even burn out 1 injector fuse out of 2 under hard acceleration or idles but as soon as you touch the gas pedal dies. but only if it is a MULTI PORT fuel injected motor. ive heard you want to try and replace them with bosch injectors out of a 2.9l ford bronco/ranger. only attempt if you got the mechanical know how sometimes if not done right will leak gas because of the injectors being kinda different length. research before attempting.
HI, your assessment is correct. this is a fuel filter and pump issue. i would also add a fuel injector cleaner after the replacement of the fuel pump and filter. this will scrub the fuel system and clean any debris that may exist at this point. Techtron injector cleaner is the best solution when cleaning the injector system.
I would also inspect the spark plug wires for faults as well. make sure they are fitted tightly over the plugs.