The "Bosch Fuel Injection and Enigine Management" book by Probst (http://www.amazon.com/Bosch-Fuel-Injection-Engine-Management/dp/0837603005/sr=8-1/qid=1164721835/ref=pd_bbs_sr_1/105-4223530-6188429?ie=UTF8&s=books) is good - and will help you understand what parts are for what. You will need the tools that David listed as well.
-- OK Don, KD5NRO Norman, OK "The Americans will always do the right thing... after they've exhausted all the alternatives." Sir Winston Churchill '90 300D, '87 300SDL, '81 240D, '78 450SLC, '97 Ply Grand Voyager
