Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSMAZDA1999626 ES, 2.5 D, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEREMOVE, OVERHAUL & INSTALLENGINE CONTROLS - REMOVAL, OVERHAUL & INSTALLATIONCOMPUTERIZED ENGINE CONTROLSPOWERTRAIN CONTROL MODULEREMOVAL & INSTALLATION (B2500, B3000 & B4000)
1999 Mazda 626 ES, 2.5 D, Standard
Removal & Installation (B2500, B3000 & B4000)
1999 Mazda 626 ES, 2.5 D, StandardSECTION Removal & Installation (B2500, B3000 & B4000)
- Disconnect the negative battery cable.
- Disconnect the PCM harness connector. See Fig 1.
- Remove the 2 nuts and PCM cover. See Fig 2.
- Remove PCM.
- To install, reverse removal procedure. See TORQUE SPECIFICATIONS .
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.