Field Remedy: 1758
| Subject: | Engine Z16XE - P0120(8) throttle position sensor failure |
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| Models: | Engines: | Option: |
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| Astra-G 2002...2004,Zafira 2002...2004 | Z16XE,Z16XE | New cylinder head |
| Complaint: | The trouble code P0120(8) is set in combination with power management mode [P1550 (A + B)] . Engine telltale (SVS) illuminates. Only vehicles with new cylinder head affected. See Quick Information 1538. |
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| Cause: | ECU diagnosis software too sensitive. |
| Production: | As of July 2004 an improved software has been introduced in production. |
In case of customer complaint reprogram the ECU with software as of TIS 2000 CD 52. It is not necessary to exchange parts.
| FunctionalGroup: | J - Engine |
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| Complaint Group: | 19 - Poor Engine Driveability |
| Trouble Code: | P0120(8) |
