EGR blowout, codes P2197, P2195, and P2196

2003 FORD ESCAPE
165,000 MILES • 3.0L • 6 CYL • 2WD • AUTOMATIC
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SALLY 3250
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Had the same problem as the other Escapes. Replaced the EGR after it blew out. After replacement check engine light went on (didn't flash) .. OBD codes P2197, P2195, P2196. Next day I started the engine -- no trouble light. Makes sense that problem is clogged converter,, but which one?? We replaced both a couple of years ago.
Jul 30, 2021 at 5:36 PM
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JACOBANDNICKOLAS
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Hi,

The codes are related to both upstream heated oxygen sensors. Take a look at pic 1 below.

Do you have a live data scan tool? If you do, first check the short-term fuel trims and let me know what they are. The problem could be a vacuum leak or related to high fuel pressure.

Here are a couple of links that you may find helpful:

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

Let me know what you find.

Joe
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Jul 30, 2021 at 10:11 PM