13. FUEL INJECTION SYSTEM Downtown 300i ABS Failure Blinks Codes Contents Causes Symptoms (diagnostic tool) Faulty Inductive ignition coil range (4.2 15%) Faulty Loose or poor connection on inductive Engine fail to be 37 P0351 inductive ignition coil ignition coil operated Open or short circuit on inductive ignition coil wire Faulty inductive ignition coil Faulty Fuel pump range (F:110033 E:1003) Faulty fuel Loose or poor connection on fuel 41 P0230 Engine fail to be pump pump operated Open or short circuit on fuel pump wire Faulty fuel pump Faulty O2 sensor heater range (6.7 ~9.5) Loose or poor connection on O2 Engine starts Faulty O2 sensor heater normally but not 45 P0135 sensor heater Open or short circuit on O2 sensor smooth heater wire Faulty O2 sensor heater Loose or poor contacts on ISC Engine operates 49 P1505 Faulty ISC Open or short circuit in ISC wire normally Faulty ISC Loose or poor connection on CPS Engine starts 66 P0335 Faulty CPS sensor normally but not Open or short circuit on CPS wire smooth Faulty CPS sensor 13-11