Emissions Reduction Heating System??

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I have a Check Engine Light On - So I called OnStar and they said the item that is coming up for service is a 'Emissions Reduction Heating System'. Does anyone know what this is and if it is under warranty. Should I be concerned? I just recently filled up the DEF Fluid.

leashyc in Eureka MT

Mar 26, 2015

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Tuffy Tire & Auto Service Center - Grandview

4.6

(87)

2.39 mi

1524 W 5th Ave

Columbus, OH

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Closes 5:00 PM

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Excite Auto Repair & Towing

4.4

(15)

5.94 mi

3430 Westerville Road

Columbus, OH

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Closes 6:00 PM

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All In Auto Service

4.7

(35)

6.56 mi

5200 Fisher Road

Columbus, OH

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Closes 6:00 PM

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Tuffy Tire & Auto Service - Grove City

4.3

(525)

6.67 mi

2131 Stringtown Rd

Grove City, OH

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Closes 6:00 PM

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Blackstone Complete Auto Care

(39)

6.77 mi

4800 Sinclair Road

Columbus, OH

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Closes 6:00 PM

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Boyd's Tire & Service - Columbus

4.7

(192)

7.23 mi

5263 Godown Rd

Columbus, OH

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Closes 6:00 PM

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Tuffy Tire & Auto Service Center - Grandview

4.6

(87)

2.39 mi

1524 W 5th Ave

Columbus, OH

Open

Closes 5:00 PM

Call

Excite Auto Repair & Towing

4.4

(15)

5.94 mi

3430 Westerville Road

Columbus, OH

Open

Closes 6:00 PM

Call

All In Auto Service

4.7

(35)

6.56 mi

5200 Fisher Road

Columbus, OH

Open

Closes 6:00 PM

Call

Tuffy Tire & Auto Service - Grove City

4.3

(525)

6.67 mi

2131 Stringtown Rd

Grove City, OH

Open

Closes 6:00 PM

Call

Blackstone Complete Auto Care

(39)

6.77 mi

4800 Sinclair Road

Columbus, OH

Open

Closes 6:00 PM

Call

Boyd's Tire & Service - Columbus

4.7

(192)

7.23 mi

5263 Godown Rd

Columbus, OH

Open

Closes 6:00 PM

Call

See All 30 Locations

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