How do you tell whether the upstream or downstream O2 sensor should be replaced?

What is your question?

The engine seems to be running a little rough and my dealership told me before about replacing my sensor.

Nov 14, 2014

1 Reply

What are the best Pontiac repair shops?

RepairPal Certified shops can diagnose and repair your 2004 Pontiac Grand Prix. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

2004 Pontiac Grand Prix auto repair 2004 Pontiac Grand Prix estimates 2004 Pontiac Grand Prix questions 2004 Pontiac Grand Prix problems 2004 Pontiac Grand Prix recalls

Tuffy Tire & Auto Service Center - Grandview

4.7

(85)

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

(30)

6.56 mi

5200 Fisher Road

Columbus, OH

Open

Closes 6:00 PM

Call

Tuffy Tire & Auto Service - Grove City

4.4

(523)

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

(189)

7.23 mi

5263 Godown Rd

Columbus, OH

Open

Closes 6:00 PM

Call

See All 30 Locations

Tuffy Tire & Auto Service Center - Grandview

4.7

(85)

2.39 mi

1524 W 5th Ave

Columbus, OH

Open

Closes 5:00 PM

Call