Misfire cylinder 3 2000 dodge Dakota 3.9
30

Asked by Evan Aug 01, 2017 at 11:14 PM about the 2000 Dodge Dakota SLT Quad Cab RWD

Question type: Maintenance & Repair

My Dakota has a really rough idle and throws a
misfire cylinder 3 code. Every time I clean a sensor
or change out a part the truck runs beautifully for
about 2 days then throws the code and the rough
idle starts. Generally only happens when it is hot
outside. The symptoms point to a bad EGR valve
but they stopped putting them on these around 95.
Replaced:
Plugs
Wires
Cap and rotor
Ignition coil
I cleaned the throttle body, IAC, TPS, cam position
sensor, MAP sensor and the evap system.
I really don't know what to check for next

2 Answers
30

Evan answered 7 years ago

Also I will add that the injectors are brand new

2 people found this helpful.
Mark helpful
30

Evan answered 7 years ago

so today I took the lifters and valve springs out of the engine and cleaned them since they were covered in sludge and although some of the power is back the misfire continues

Mark helpful

Your Answer:

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