Fuel injectors can short-circuit electrically causing a rougher than normal idle and reduced performance.
Average mileage: 86,000 (86,000–86,000)
Engines affected: 3.3L V6, 3.4L V6
5 people reported this problem
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running rough at idle 204 error code replaced injector was fine for 20-30 miles then repeated 204 error code exchanged injector same thing. found a short in the injector harness.