• ENGINE SYMPTOM TROUBLESHOOTING [Z6]
  • QUICK DIAGNOSIS CHART [Z6]
  • NO.1 MELTING OF MAIN OR OTHER FUSES [Z6]
  • NO.2 MIL ILLUMINATES [Z6]
  • NO.3 WILL NOT CRANK [Z6]
  • NO.4 HARD TO START/LONG CRANK/ERRATIC START/ERRATIC CRANK [Z6]
  • NO.5 ENGINE STALLS-AFTER START/AT IDLE [Z6]
  • NO.6 CRANKS NORMALLY BUT WILL NOT START [Z6]
  • NO.7 SLOW RETURN TO IDLE [Z6]
  • NO.8 ENGINE RUNS ROUGH/ROLLING IDLE [Z6]
  • NO.9 FAST IDLE/RUNS ON [Z6]
  • NO.10 LOW IDLE/STALLS DURING DECELERATION [Z6]
  • NO.11 ENGINE STALLS/QUITS, ENGINE RUNS ROUGH, MISSES, BUCK/JERK, HESITATION/STUMBLE, SURGES [Z6]
  • NO.12 LACK/LOSS OF POWER-ACCELERATION/CRUISE [Z6]
  • NO.13 KNOCKING/PINGING-ACCELERATION/CRUISE [Z6]
  • NO.14 POOR FUEL ECONOMY [Z6]
  • NO.15 EMISSION COMPLIANCE [Z6]
  • NO.16 HIGH OIL CONSUMPTION/LEAKAGE [Z6]
  • NO.17 COOLING SYSTEM CONCERNS-OVERHEATING [Z6]
  • NO.18 COOLING SYSTEM CONCERNS-RUNS COLD [Z6]
  • NO.19 EXHAUST SMOKE [Z6]
  • NO.20 FUEL ODOR (IN ENGINE COMPARTMENT) [Z6]
  • NO.21 ENGINE NOISE [Z6]
  • NO.22 VIBRATION CONCERNS (ENGINE) [Z6]
  • NO.23 A/C DOES NOT WORK SUFFICIENTLY [Z6]
  • NO.24 A/C IS ALWAYS ON OR A/C COMPRESSOR RUNS CONTINUOUSLY [Z6]
  • NO.25 A/C IS NOT CUT OFF UNDER WIDE OPEN THROTTLE CONDITIONS [Z6]
  • NO.26 EXHAUST SULPHUR SMELL [Z6]
  • NO.27 SPARK PLUG CONDITION [Z6]
  • INTERMITTENT CONCERN TROUBLESHOOTING [Z6]
  • ENGINE CONTROL SYSTEM OPERATION INSPECTION [Z6]