Vehicle Hesitation Or Surging / O2 Sensor Signal Failure (01-038/10)
WARNING: This page is about the CX-7 Grand Touring, AWD, which is a different variant/trim than selected.
Publication date: 2010-06-18Reference number: 01-038/10
Supersedes refnos: 01-016/08, 01-031/09
VEHICLE HESITATION OR SURGING / O2 SENSOR SIGNAL FAILURE
TECHNICAL SERVICE BULLETIN
Reference Number(s): CAT. 01, NO. 038/10, , 01-038/10, Date of Issue:
June 18, 2010
Superceded Bulletin(s): 01-016/08, Date of Issue:
March 17, 2008, 01-031/09, Date of Issue:
July 10, 2009
| MAZDA: | 2007-2009 CX-7 |
| SECTION: | 01 - Engine |
| BULLETIN NO.: | 038/10 |
BULLETIN NOTE
- This bulletin supersedes the previous bulletins 01-016/08 issued 03/17/08 and 01-031/09 issued on 07/10/09. The APPLICABLE MODEL(S)/VINS, DESCRIPTION, REPAIR PROCEDURE, PART(S) INFORMATION and WARRANTY INFORMATION have been revised.
- Changes are noted below in Red beside the change bar.
APPLICABLE MODEL(S)/VINS
2007-2009 CX-7
DESCRIPTION
Some vehicles may experience hesitation or surging when accelerating after engine warm-up. These symptoms may be noticed by the customer before a MIL illumination with DTC P0134, P2096, P2097, P2177, P2187, P2188, P2195, or P2237 is stored in memory. This may be caused by a front O2 sensor signal failure due to a crack on the primary or secondary O2 sensor cells.
Customers having this concern should have their vehicle repaired using the following repair procedure.
REPAIR PROCEDURE
- Verify customer concern.
- Disconnect front O2 sensor connector.
- Test drive vehicle to verify symptom disappears.
- Reconnect front O2 sensor connector.
- Test drive vehicle to verify symptom recurs.
- If symptom disappears then recurs, replace front O2 sensor with a modified part according to Workshop Manual (section);
- 2007 - 01-40 HEATED OXYGEN SENSOR (HO2) REMOVAL/INSTALLATION [L3 WITH TC]
- 2008 - 01-40 HEATED OXYGEN SENSOR (HO2) REMOVAL/INSTALLATION [L3 WITH TC]
- 2009 - 01-40 HEATED OXYGEN SENSOR (HO2) REMOVAL/INSTALLATION [L3 WITH TC]
NOTE: To avoid O2 sensor damage, refer to Service Bulletin 01-032/10 "Oxygen / Air Fuel Ratio Sensor Removal Caution" before removing O2 sensor. - Verify repair.
PART(S) INFORMATION
PART(S) INFORMATION
| Part Number | Description | Qty. |
|---|---|---|
| L33L-18-8G1E-9U | O2 Sensor | 1 |
WARRANTY INFORMATION
NOTE:
- This warranty information applies only to verified customer complaints on vehicles eligible for warranty repair.
- This repair will be covered under Mazda's New Vehicle Limited Warranty term.
- Additional diagnostic time cannot be claimed for this repair.
WARRANTY INFORMATION
| Warranty Type | A |
| Symptom Code | 08 |
| Damage Code | 9A |
| Part Number Main Cause | L33L-18-8G1E-9U |
| Quantity | 1 |
| Operation Number / Labor Hours: | XXD03XRX / 0.4 Hrs. |