Questions & Answers for: catalyst oxygen sensor egr system

Catalyst,Evap System, Oxygen Sensor, Egr Syst These monitors were not ready, and caused me to fail inspection. What should I do? Drive it some more. Has the battery been disconnected/replaced recently

...catalyst mon INC oxygen sens mon INC oxygen sens htr inc egr system mon inc If the check engine light stayed off then that means that those errors are not present at this time. It is not un common to ...

...check it again with the meter 4 im minitors still shows inc. oxygen sens.(inc) catalyst mon.(inc)oxygen HTR (inc) EVAP system mon.(inc) any suggestions. thamnks maynard Always fit manufacturers

...system.new evap parts,egr value.What can it be? my 1996 Pontiac grand am 3.1. 3 montiors show inc.the cat,egr,evap.but new everything.I'm losted can the pcm be bad or just a bad ground. Any ideas to ...

...at 3k And its reading catalyst mon inc oxygen sens mon inc oxygen sens htr inc egr system mon inc I might think it was time to see a really good mechanic myself . or fix it myself and have it blow ...

...Catalyst Temperature Sensor Oldsmobile: Intake Air Low Pressure Switch Circuit Low Voltage Pontiac: Intake Air Low Pressure Switch Circuit Low Voltage Saturn: Intake Air Low Pressure Switch Circuit ...

...catalyst oxygen sensor-odd and catalyst Air leak in the exhaust system between catalyst and exhaust manifold flange Air leak in the exhaust system between pre catalyst oxygen sensor-odd and post ...

...oxygen sensor in the manifold / before the cat converter of bank 1 ) eliminate blocked intake or both banks would be rich EVAP purge valve will be giving definite other symptoms --difficulty filling, ...

Catalyst n/A, sec air system N/A, Oxygen sens mon INC, Oxygen sens HTR INC, ERG/VVT sys mon INC. any help would be appreciated. thanks INC means the self tests that the ODB system runs are incomplete.

...catalyst efficiency deteriorates, its ability to store oxygen declines and the downstream HO2S signal begins to switch more rapidly approaching the switching rate of the upstream HO2S. Once beyond an ...