Check your engine oil too gruff, pull the dipstick and see if the level is high, smell it and see if it smells like gas.
If your old pump was leaking they can leak into the engine and put fuel into your oil. It's a diaphram that causes leaky fuel pumps, if the diaphram cracks then fuel leaks through to the dry side of the diaphram. Usually there is a weep hole on the dry side that allows the fuel to leak outside of the engine but gunk or other things can cause it to basically have "internal bleeding" as in, the gas leaks into your engine block instead.
