Hi dont no if u can help me but got a car that i think is maped as no mater what engine light dunt come one and never puts a folt code up light comes on on pre ignition so i no bulb is working lol it gos into limp mode every now and again and wen its not in limp tge revs plutter like bitween 1500k revs and 1400k revs wen u r holding it at a steddy speed like at 30mph and u feel power come off slightly changed maf still same its a 307 1.6hdi 110