Im putting a 1.8 into my 1.6 zetec the trouble is the colour of the multi plug wires from the injectors are different than in my car the plugs still fit but will the ECU from the 1.8 still work or are they wired different will I need the 1.8 key when its in or is the PATS in the car its self in haynes no mention of pats in ECU.My escort is a 1995 the gti eng is1997 please help?