Ford Repair Questions? Ask a Mechanic for Answers ASAP
there are a couple of options to tweak the computer / ECU
either a 'piggy back ' module which interrupts the signals between the injectors and the ECU to add or subtract fuel as required
Or a re-flash / new chip in the existing ECU is also possible, but a custom chip programme will get the best result to get your specific vehicle dialed in having it re-mapped on the rollers
see here for some products
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