mxu 500 irs efi Manuale-dofficina : Pagina 415

Microfiches
Image preview

Pagina 413

Image preview

Pagina 414

Image preview

Pagina 416

Image preview

Pagina 417

1 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 155 160 165 170 175 180 185 190 195 200 205 210 215 220 225 230 235 240 245 250 255 260 265 270 275 280 285 290 295 300 305 310 315 320 325 330 335 340 345 350 355 360 365 370 375 380 385 390 395 400 405 410 415 420 425 430 435 440 445 448
          22. FUEL INJECTION SYSTEM                                                      MXU 500i




 TROUBLESHOOTING
 Engine won't start                          Backfiring or misfiring during acceleration
 · Battery voltage too low                   · Ignition system malfunction
 · Fuel level too low
 · Pinched or clogged fuel hose              Poor performance (drive ability) and poor
 · Faulty fuel pump operating system         fuel economy
                                             · Pinched or clogged fuel hose
 · Clogged fuel injector                     · Faulty fuel injector
 · Faulty spark plug or wrong type
 · Clogged Airflow Bypass Valve
 · Wet spark plug




 Engine stall, hard to start, rough idling
 · Intake air leak
 · Fuel contaminated/deteriorated
 · Pinched or clogged fuel hose
 · Idle speed miss adjusted
 · Wet spark plug




                                                                                  22-8