Mirando el porque de los tirones en mi 330XD vi esta tabla y me parecio interesante. La dejo en ingles por las interpretaciones en la traduccion. Table e. Engine Driveability Trubleshooting SYMPTOMS Engine fails to start Engine starts but stops immediately Erratic engine idle Poor engine response on acceleration Erratic engine operation in all speed ranges Excessive fuel consumption Poor engine power, fails to rev up CO content too low CO content too high a b c d e f g h i CAUSES CORRECTION ACTION a Fuel pump faulty Test fuel pump. Repair Group 160 a e Ignition system faulty Test ignition system. Repair Group 120 a Main relay or fuel pump relay faulty Test main relay. Repair group 130 a Crankshaft/rpm position sensor faulty Test crnkshaft/rpm sensor 120 b c h i Idle speed control valve faulty Test idle speed control valve c d e Throttle position sensor faulty or idle signal to DME control module missing Test throttle position sensor c d h i Mass air flow sensor faulty Test mass air flow sensor Repair Group 130 a b c d e h Large air intake system leak Check for major intake air leaks downstream of mass air flow sensor a c d e g h Fuel pressure too low Test fuel pressure. Repair Group 130 c f I Fuel pressure too high Test fuel pressure. Repair Group 130 Fuel pump delivery volume too low Test fuel pump delivery volume. Repair Group 160 a c e f h i Coolant temperature sensor faulty Test coolant temperature sensor c f Oxygen sensor faulty Test oxygen sensor. c e f i Fuel injectors leaking Check fuel injectors and replace leaking injectors Repair Group 130 c Throttle plate binding or incorrectly adjusted Check throttle plate and adjust necessary a c Electrical connections loose, broken or corroded Visually inspect connectors and correct any faults. Repair Group 600 a c d Ground connections loose, broken, or corroded Visually inspect ground connections and correct any faults. Repair Group 600 c e f CO content too high Test air flow or mass air flow sensor. Repair Group 130 a b c d e g CO content too low Test mass air flow sensor b c d e f g h i Input signals to ECM missing ECM in limp home mode Make electrical tests at DME ECM relay. Repair Group 130a a b c d e f g h i ECM faulty Test DME ECM inputs, If all inputs are correct replace ECM
Vaya el primer enlace esta mal este es el que vale. http://www.filefactory.com/get/f.php?f=5b524a3c8d6d8e66362b1ab0 Lo siento pero no se com postear un fichero PDF
