P0456 EVAP Very small leak is the only code. It will surge at steady throttle intermitantly. More so when going up a slight hill. The tach goes up and down about 500rpm. 125k miles so I do need to change plugs and wires. It also seems to hesitate when getting back on the throttle after turning.
'00 F350 SC/LB 4x4 V10
'04 Explorer XLS 4.0
'98 Expedition XLT 4.6
'86 F-150 5.0
'79 F-250 4x4
'55 F-350 Dually, waiting to put the '79 gear under the '55.
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