Diagnostic Information Engine Emits Excessive White Exhaust Smoke JC89288,000005F –19–13NOV06–1/1 TM2361 (24JUN08) 9010-15-20 450DLC Excavator Operation and Tests 062608 PN=290 Engine Emits Excessive White Exhaust Smoke Diagnostic Procedure NOTE: This procedure should be used if the engine emits excessive white exhaust smoke. This type of smoke causes a burning sensation to the eyes. If engine emits a less heavy, bluish exhaust smoke, See Engine Uses Too Much Oil (Group 9010-15.) 9010 15 20 – – –1/1 1 Preliminary Procedure 1. Make sure oil is not mixed in intake air. 2. Check for excessive blow-by. 3. Check for excessive engine oil in blow-by. 4. Check for a clogged or crushed breather hose.
5. Inspect wear of turbocharger seal ring. 6. Ensure engine coolant level is not extremely low. Was the problem found? YES: Repair or replace parts as necessary and retest. NO: Go to Active DTC Check. – – –1/1 2 Active DTC Check Perform the Active DTC Check to read Diagnostic Trouble Codes (DTCs). See Reading Diagnostic Trouble Codes With Tech 2 Diagnostic Scan Tool. (Group 9015-20.) Are any DTCs present? YES: See Engine Diagnostic Trouble Codes (DTCs—SPN.FMI Format) for information on code. (Group 9001-20.) NO: No active DTCs present. Go to Injector Check. – – –1/1