astra j map sensors?

richard

Regular Member
Hi
not z22se related but hoped you guys can help.ive got two map sensors on my Astra 1.4 turbo(a14net)inlet manifold one is a ac delco 55573248 and the other is gm 55567257 does anyone know what each one is actually for.is one a boost sensor for the turbo.reason I ask is I have a tuning box from a reputable tuning company from essex which has to be plugged into one of those sensors but if I'm honest there technical dept sucks thanks for any help
 
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