Repair procedures (plant/service)
Induction vacuum leak/exhaust air leak (AFR O2 sensor!) Low fuel pressure - Check oxygen sensors before cat. - Check tank EVAP air discharge (air leak!) - Check HFM (contamination, defect)
Induction vacuum leak/exhaust air leak (AFR O2 sensor!) Low fuel pressure - Check oxygen sensors before cat. - Check tank EVAP air discharge (air leak!) - Check HFM (contamination, defect)