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HOMESERVICE MANUALSMAZDA1999626 ES, 2.5 D, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 492 (SYMPTOM TROUBLESHOOTING [ENGINE CONTROL SYSTEM BP, BP WITH TC))NO.22 VIBRATION CONCERNS (ENGINE)DIAGNOSTIC PROCEDURE
1999 Mazda 626 ES, 2.5 D, Standard

Diagnostic Procedure

1999 Mazda 626 ES, 2.5 D, StandardSECTION Diagnostic Procedure
WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
NO.22 VIBRATION CONCERNS (ENGINE) [BP, BP WITH TC] DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1
  • Inspect following components for loose attaching bolts or worn parts:
    • Cooling fan
    • Drive belt and pulleys
    • Engine mounts
  • All items okay?
 Yes Inspect following systems:
  • Wheels
  • Transmission
  • Driveline
  • Suspension
No Readjust or retighten engine mount installation position. Service if necessary for other parts.
2
  • Verify test results.
    • If okay, return to diagnostic index to service any additional symptoms.
    • If malfunction remains, inspect related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis.
      • If vehicle is repaired, troubleshooting completed.
      • If vehicle is not repaired or additional diagnostic information is not available, replace PCM.
RENDER: 1.0x

NO RELATED

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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.