Nissan X-Trail - Reduced engine performance / rough engine running
| Data sheet | |
| Manufacturer | Nissan |
| Model | X-Trail (T31) |
| Engine | 2.5 i 16 V |
| Engine code | QR25DE |
| Year of construction | 2007 - 2014 |
| Symptoms | Reduced engine performance / rough engine running |
Troubleshooting and remedy for reduced engine performance / rough engine running on a Nissan X-Trail
If the above-mentioned problem is detected, a possible cause may be
In order to exclude other possible causes of malfunction, electrical
The following error codes were read out:
- P1121 Throttle position sensor (TPS) - circuit intermittent high voltage
- U1122 Throttle position sensor (TPS) - circuit intermittent low voltage
In the course of further troubleshooting, a defect was found on the throttle valve.
Remedy: Replace the throttle valve housing in accordance with the vehicle manufacturer's instructions.
Before starting the programming process, please note the following:
- There must be no entries in the error memory
- The battery voltage >13 V
- The coolant battery > 60°C
- For automatic transmissions: selector lever to be positioned on "P"
- For manual transmissions: selector lever in "Neutral" position
Finally a test drive should be undertaken and also another error code query carried out in order to run a check on the repair work.
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