Purchased remanufactured 5.4 l engine for my Ford F 150 from www.carparts.com. Paid $2738.00. Engine started ticking then knocking and losing power after only 3 weeks of installation. Contacted carparts.com and they said we had to deal with the manufacturer which is Marshall Engines out of Nebraska. We registered our claim online, contacted them and brought the truck back to our Certified Ford Dealership Shop. We used this shop because we followed carparts.com rec'd certified shops from www.mechanicmd.com. Marshall, thru the... read full review »