pp420 catalyst system below efficiency

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my car has a code of PO420 that indicates that the bank I catalyst system efficiency was below threshold for a predetermined period of time. Do I have to replace the entire exhaust system or just the catalytic converter?

craig.5599dd5e1c in Richmond Hill GA

Jul 3, 2017

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RepairPal Certified shops can diagnose and repair your 2006 Toyota Matrix. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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Tuffy Tire & Auto Service Center - Grandview

4.7

(89)

2.39 mi

1524 W 5th Ave

Columbus, OH

Closed

Opens 8:00 AM Wed

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Excite Auto Repair & Towing

4.4

(15)

5.94 mi

3430 Westerville Road

Columbus, OH

Closed

Opens 9:00 AM Wed

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All In Auto Service

4.6

(37)

6.56 mi

5200 Fisher Road

Columbus, OH

Closed

Opens 8:00 AM Wed

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Tuffy Tire & Auto Service - Grove City

4.3

(525)

6.67 mi

2131 Stringtown Rd

Grove City, OH

Closed

Opens 7:30 AM Wed

Call

Blackstone Complete Auto Care

(39)

6.77 mi

4800 Sinclair Road

Columbus, OH

Closed

Opens 9:00 AM Wed

Call

Boyd's Tire & Service - Columbus

4.7

(193)

7.23 mi

5263 Godown Rd

Columbus, OH

Closed

Opens 8:00 AM Wed

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Tuffy Tire & Auto Service Center - Grandview

4.7

(89)

2.39 mi

1524 W 5th Ave

Columbus, OH

Closed

Opens 8:00 AM Wed

Call

Excite Auto Repair & Towing

4.4

(15)

5.94 mi

3430 Westerville Road

Columbus, OH

Closed

Opens 9:00 AM Wed

Call

All In Auto Service

4.6

(37)

6.56 mi

5200 Fisher Road

Columbus, OH

Closed

Opens 8:00 AM Wed

Call

Tuffy Tire & Auto Service - Grove City

4.3

(525)

6.67 mi

2131 Stringtown Rd

Grove City, OH

Closed

Opens 7:30 AM Wed

Call

Blackstone Complete Auto Care

(39)

6.77 mi

4800 Sinclair Road

Columbus, OH

Closed

Opens 9:00 AM Wed

Call

Boyd's Tire & Service - Columbus

4.7

(193)

7.23 mi

5263 Godown Rd

Columbus, OH

Closed

Opens 8:00 AM Wed

Call

See All 30 Locations

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