EGR valve

Tiny
BILL MARTIN2
  • MEMBER
  • 2002 CHRYSLER PT CRUISER
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 130,000 MILES
Check engine light came on. Checked and advised it said EGR valve needed to be replaced. The check engine light was reset and I have driven for about an hour without it coming back on. I need to make a short two day trip. Can I do that without replacing the EGR valve first?
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Wednesday, July 26th, 2017 AT 2:17 PM

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Tiny
CARADIODOC
  • MECHANIC
  • 33,699 POSTS
The diagnostic fault code did not say to replace the EGR valve. Fault codes never say a part is bad or to replace one. They only indicate the circuit or system that needs further diagnosis, or the unacceptable operating condition. When a part is referenced in a fault code, it is actually the cause of that code about half of the time.

The first thing we need to know is the exact fault code number. There's at least a dozen related to the EGR system, and they mean very different things. Chrysler makes reading those codes yourself much easier than any other manufacturer. Cycle the ignition switch from "off" to "run" three times within five seconds without cranking the engine, leave it in "run", then watch the code numbers appear in the odometer display. Let me know what you come up with.
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Wednesday, July 26th, 2017 AT 4:59 PM

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