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03-10-2010 12:04 AM #1
- Providence, RI, United StatesMember No: 21143
- Join Date
- Dec 2001
- Rep Power
Any good independent repair shop to recommend ?
The service engine soon warning turns on in my 2003 X5 recently. I took the car to Autozone, there is only one error code - P0440
The information I get from autozone is:
The code is "P0440"
EVAP purge function plausibility
Open or short circuit condition
1: Poor electrical connection
2: Faulty purge solenoid
Do you meet the similar problem before?
Also Can anyboy recommends a good independent repair shop in the vicinity region of Batavia IL?
03-10-2010 01:26 PM #2
Did you reset the CE light?
Many times, like a windows computer, the engine management computer gets a flakey error and cries wolf.
The first step I always take is to reset the check engine light and see if the code comes back. Oftentimes it does not.
If it does, then you know you may have a real problem, and not just some voltage spike.
The evap emissions system condenses the fumes in the gas tank and burns them in the engine. A leaky gas cap may generate some EVAP errors - "EVAP Emissions, large leak", usually.
The purge valve, as the name implies, is actuated to vent the tank fumes into the intake. On a six cylinder car, this may be near the intake manifold.
The valve could be faulty, or merely disconnected, or the connection corroded.
A service manual and a code reader are really essential to doing your own repairs. BMW specific code readers are usually more detailed in their explanations, too. P-code readers are generic to all cars.
I have not done this specific repair, so I can't help you further. I know about the evap purge valve because on the E36, they tend to "tick" annoyingly and sound like valve noise. This is normal, but there is a TSB to replace the mounts with a rubber mount to quiet the ticking.
The valve should not be that expensive ($50?) and it should not take more than one shop hour to replace, if needed - if that indeed is the problem.
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