trooper 30L td 2001
 

Hi all having a few probs with truck cutting out when braking, done all the usual checks and change ( New Air Filter New Diesel filter) also had checked out on rolling road at £125 per hour nothing found they told me the usual what is listed on the forum white wire etc, just to ask how do you check if the oil strainer has come without removing sump any help please has I'm at wits end.