what cause a ruff runnig dodge ram 4.7 but doesnt show any codes

Asked by Mar 27, 2017 at 04:24 PM about the 2007 Dodge Ram 1500 SLT Quad Cab LB

Question type: Maintenance & Repair

dives good for a while and goes to missing leave it set a wile then runs good but bad gas millage, has new plugs and all new sensors need help thanks

2 Answers

220

Check your MAP sensor. If the MAP sensor malfunctions it will cause a rich condition.

95,845

Sometimes you have to drive the truck for enough time for codes to set. It can take my Ford 20 to 30 miles before it will set a code, especially if it is an intermittent miss.

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