Mazda 6 Service Manual: Dtc p0123

Dtc p0122

Dtc p0125

Other materials:

Mazda 6 Service Manual: Road test
Warning When performing a road test, be aware of other vehicles, people, impediments, etc. to avoid an accident. Note When the legal speed limit must be exceeded, use a chassis dynamomenter instead of performing a road test. Road Test Preparation 1. Inspect the engine coolant le ...

Mazda 6 Service Manual: Heater core inspection
1. Remove the A/C unit. (See A/C UNIT REMOVAL/INSTALLATION.) 2. Remove the heater core from the A/C unit. 3. Inspect for cracks, damage, and coolant leakage. If any problems are found, replace the heater core. 4. Inspect for bent fins. If any are bent, use a flathead screwdriver to stra ...