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Failed Smog Test
 

2003 Pontiac Vibe failed emissions test because emission monitors were not ready.

My Evap System monitor and catalyst monitor are not ready and my car failed the smog test for a 2nd time. What do I do now?

Answer:  

Your Pontiac Vibe is equipped with an On-Board Diagnostics (OBD II). The OBD II system monitors all aspects of your Pontiac's emissions system and reports information to the OBDII computer. The data is processed and checked against the computer's pre-determined values for various inputs levels and performance patterns of your vehicle. If any problems are found the computer will determine whether to alert the driver or not. Setting the emission monitors requires driving your Pontiac at least 200 miles; consisting of everyday normal driving, stop and starts (like at red lights and traffic), ignition on and off several times a day with at least 15 minute causes in between (this allows the EVAP monitor to run), and freeway driving at least on three occasions for at least 15 minutes each at speeds above 30 mph. After these driving conditions are met and your Vibe still fails the OBD II monitors portion of the smog check, we can only recommend a smog check repair center conduct a diagnosis of the OBD II computer as to clues of why the monitors are not setting. Assuming no Check Engine light or Malfunction Indicator Lamp is illuminated we have to suspect your vehicle's only problem is not enough drive time.


posted by SmogTips Support
 


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