There is a reflash for your computer for this code. There is a TSB for the code p2004 Here it is.
Flash: MIL Illumination with DTC P2004
This bulletin involves selectively erasing and reprogramming the GPEC Powertrain Control
Module (PCM) with new software and replacing the intake manifold as required.
CAUTION: VEHICLES EQUIPPED WITH A CVT TRANSMISSION MUST HAVE THE
TRANSMISSION CONTROL MODULE (TCM) CHECKED FOR THE LATEST
SOFTWARE LEVEL WHENEVER THE PCM SOFTWARE IS UPGRADED. IF
NEWER TCM SOFTWARE IS AVAILABLE, IT MUST BE INSTALLED.
2007- 2008 (JS) Avenger
2007 (JS) Sebring
2008 (JS27) Sebring Convertible
2007 (MK49) Compass
2007 (MK74) Patriot
2007 (PM) Caliber
NOTE: This bulletin applies to models equipped with a 1.8L, 2.0L or 2.4L gasoline
engine (Sales Code EBA, ECN or ED3) as follows: Flash portion applies to
PM/MK models built through April 21, 2007 (MDH 0421XX) and JS models
built through May 15, 2007 (0515XX). The Intake Manifold Replacement
portion applies to models built through March 22, 2007 (MDH0322XX).
Some customers may experience MIL Illumination with no other symptoms. The condition
may occur intermittently. Further investigation by the technician may find DTC P2004 -
Intake Manifold Runner Control Stuck Open as the cause for MIL Illumination.
YES... the dealership can fix this type of problem. If it turns out just to be a re flash that is needed, it should not be more than a few hundred bucks. If the engine is running ok, then it should be ok to drive for a little while until you get a chance to get to the dealership.
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What would cause the intake manifold runner to get stuck open and how do I know if it is only the reflash that need to be replace. The dealer is telling me that the hold manifold part need to be replaced to the tune of $634.
I will give you credit for your time, however I am just not clear on what need to be done. What chances do I have of making it to Chicago with the intake runner stuck open.
If your engine is running rough or is just ot running right... then it could be your intake manifold runner getting stuck open. Usually the fix for this is to replace the entire intake manifold.
However, if your engine is running good, then chances are you just need a re flash. The only way to know for sure is to have a tech plug into your computer and see if the re flash has been done or not.
Worst case scenario, the intake runner is stuck open or closed and the intake needs to be replaced... you should still be able to drive your vehicle... it might not perform the best and the gas mileage will not be good, but it should not leave you stranded.
Thanks for the accept!
Let me know if you have any further questions!