Mazda 6 Service Manual: Dtc p0171

Dtc p0140

Dtc p0172

Other materials:

Mazda 6 Service Manual: Immobilizer System
The immobilizer system allows the engine to start only with a key the system recognizes. If someone attempts to start the engine with an unrecognized key, the engine will not start, thereby helping to prevent vehicle theft. If you have a problem with the immobilizer system or the key, consult ...

Mazda 6 Service Manual: Starter inspection
On-vehicle Inspection 1. Verify that the battery is fully charged. 2. Crank the engine and verify that the starter rotates smoothly without any noise. If not, inspect the following. - Remove the starter and inspect the magnetic switch and the starter. - Inspect the related wiring har ...