spark plugs or cam senser/where to start on 2002 Ford E-150

about 2 months ago,during a heavy downpour;i drove through a flooded street.scince that time the van idles fine but when i give it the gas it sputters;sometimes jerks.the check engine light came on,the diag said cam senser.need help because its stalling now/gas milage terrible!

Asked by for the 2002 Ford E-150
yes change the sensor and see how it runs.