GM Parts Club
Most exhaust and emissions problems announce themselves well before they strand anybody. On a 2013-2022 Encore, these are the ones worth acting on.
1. A diesel that regenerates far more often than it used to
It rarely gets better on its own, and it usually gets louder before it gets expensive. Start by looking at DEF injectors.
2. An exhaust tick on cold start that quiets as the manifold expands
This one is usually early, which is good news, because it is cheap to fix early. Start by looking at catalytic converters.
3. A check engine light that appears after fueling and clears itself
This one is usually early, which is good news, because it is cheap to fix early. Start by looking at DEF injectors.
4. A P0420 or P0430 efficiency code
This one is usually early, which is good news, because it is cheap to fix early. Start by looking at DEF injectors.
What to Do Next
Not scheduled. Converters are warranted separately under federal emissions rules, so check coverage before you buy.
Emissions equipment varies by state of original sale on some model years.
We have been selling GM parts online since 2009 and out of the Dallas store since 1956. Start with our Buick OEM parts catalog, or search for Encore catalytic converters.
Where to Buy
- Genuine Buick OEM parts
- Catalytic Converters
- Oxygen Sensors
- Def Injectors
- Diesel Particulate Filters
- Wholesale account setup
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