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Engine light always on. Scanner displayed P0139-P2006-P2004. Watching chrysler parts I found these: 56029084AA (Oxygen sensor), 04884549AD (Actuator, flow control valve) and 05033310AB (Sensor MAP).
My Compass Jeep 2007 is 2.4L Limited Continuos Variable and the actuator above showed is only for manual transmission.
I do not note any engine failure indication when driving.
What do you think should I replace?
 

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Personally, I'd start with the least expensive and then work my way up. Unless you decide to get it further diagnosed to see what the problem really is, that's what I'd do.
 

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I would try:

- Check all wiring connections. Clean the connectors with a dielectric cleaner.

- If after this there is no change. Replace O2 sensor and Map sensor. Those are cheap.

- For the control valve. Try to remove it, and get cleaned with Carb Clean. This control valve gets dirty. This valve is also positioned in a very difficult way, it is almost imposible to dismantle, that why probably never have been cleaned. I cleaned my control valve and i was preatty dirty. what happend with mine is that it got stucked when turning, and the truck fails. after the cleaning all was ok.
If not... replace the whole thing.


cheers.
:wjeep:
 

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I would try:
.... This control valve gets dirty. This valve is also positioned in a very difficult way, it is almost imposible to dismantle, that why probably never have been cleaned. ...
cheers.
:wjeep:
I'd say nearly everything is position in a difficult way to service this vehicle. Even to see some if it for inspection is covered. Once this dies its my last Jeep and Chrysler vehicle. The old ones were much more reliable even though they did need fixing now and then you could do it without major headaches.
 
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