Originally Posted by
zip439
You are correct 180; To rephrase my sentence then let me say that many have sent their RCM to tighed1 for repair.
Oscar455$, one of the jobs of the RCM is to feed electricity to the air pump at the very front of the engine. That pump runs for a short time when you start your car. In the center of the pump there is a ground connection that has been know to cause intermittent trouble. It is a single bolt with several wires. Unscrew that bolt, clean it well and the area where it seats, then reconnect. Just maybe, it could be causing your problem. The code P0410 in the picture you sent leads me to believe your problem is with the RCM as it relates to the air pump. The oxygen sensors and the air pump are all related as part of the emission controls. Also as has been previously stated be sure to turn the fuel cap all the way tightly closed after putting gas in the tank.
Driving the car with the air pump not functioning properly is not a problem, but if the oxygen sensors are not working properly that will cause damage in the long term.
If your problem is in the RCM it could develop that you will not be able to start the car; There is no damaged caused, but you will be stranded until the RCM is repaired.
Hope that answers your questions and you find it helpful. Good luck.
All valid points! I also believe/suggest the air pump not working might also trigger some O-2 codes (pending or not) since the air pump (like the O-2 sensors) work with some of the emissions circuits. I would first start with the RCM (relay control Module). It IS a simple swap, many how-to's here in the forum. I say again, if it is driving it is not as bad as some (if not all) mechanics would lead you to believe. The RCM is not a high priced part and MAY SAVE you a LOT of $.
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