Question about Ford Expedition
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: what does code p2187 mean
thats not a code p stands for powertrain the next digit will be either a 0 generic obd2 code or 1 Manurfacturer spec. check your code make sure that it is right
Posted on May 03, 2010
code p2189 and p2187 = air/fuel mixture too lean on both cylinder banks which in turn generates excessive emissions = failed inspection.
What can cause a lean mixture:
- Incorrect main charge signal
- Intake air system leaking
- Fuel pressure too low
- Volume supply of fuel pump too low
- Mechanical fault in injectors
- PCV valve leaks
- Leaks in exhaust system
- EVAP canister purge valve mechanically faulty (hangs open)
All these must be checked.
Posted on Jul 01, 2010
Testimonial: "thank you for your answers well beyond my spec but now i'll know what the mechanic is talking about sounds like no easy fix"
SOURCE: Have emission codes P2187 and
Both have to do with the system being too lean at idle. This is likely caused by a broken or removed vacuum hose, especially if it has been serviced recently. They check everything but may not always put everything back. Give a gander at all small vacuum hoses under the plastic engine cover and if anything is removed, replace it. Stop by your nearest auto parts store and have them reset the codes. They can do it for free. Just to set your mind at ease, the only thing that will trigger two codes for both sides would be a common denominator, thus a vacuum hose which would allow more air being fed to the entire engine. Let me know what you find or if you need help removing the cover.
Posted on Nov 23, 2010
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