|
|
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-751 Inspection procedure 11: When the engine is hot, it stalls at idle die out) . COMMENT • In cases such as the above, the ignition system, air/fuel mixture or compression pressure may be . TROUBLESHOOTING HINTS (The most • Malfunction of the fuel pump system. • Malfunction of the ignition system. • Poor compression • Malfunction of the EGR system. • Improper operation of the PCV valve. • Vacuum leak. • Dirtiness around throttle valve. • Malfunction of the ECM. DIAGNOSIS Required Special Tools: • MB991958: Scan Tool (M.U.T.-III Sub Assembly) • MB991824: V.C.I. • MB991827: USB Cable • MB991910: Main Harness A STEP 1. Check if the EGR valve sounds during YES : Go to Step 2. − Exhaust Gas Recirculation (EGR) System − EGR Valve (Stepper Motor) Check STEP 2. Using scan tool MB991958, read the diagnostic CAUTION To prevent damage to scan tool MB991958, always turn the YES : Refer to Diagnostic Trouble Code Chart . NO : Go to Step 3. AK700568AB MB991824 MB991827 MB991910 Data link |