P117a Mazda

For more technical guidance, you can consult resources from independent diagnostic sites like STO Kovsh . CX-5 oil problem advice urgently needed - Mazda Forum

The PCM will limit the intake air amount and fuel injection to restrict engine torque . p117a mazda

If the sensor is found to be faulty, refer to the MX-5 Manual or similar workshop guides for removal and installation procedures . For more technical guidance, you can consult resources

Some scan tools offer this. Uneven compression (due to carbon or valve issues) can mimic fueling problems. Some scan tools offer this

Continuous high-speed driving with diluted engine oil is a primary trigger cited in official Mazda Service Information .

This is the most common cause in Mazda diesels. During Diesel Particulate Filter (DPF) regeneration, extra fuel is injected into the cylinders. If the cycle is frequently interrupted by short trips, unburnt fuel can leak into the oil sump, thinning the oil and raising its level.