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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> Engine Performance >> Engine Controls - On-Vehicle Adjustments >> Idle Speed & Mixture >> Idle Speed >> B-Series Truck, MPV & Tribute

B-Series Truck, MPV & Tribute

CAUTION: Throttle body bore and plate area have a special coating and should not be cleaned.

Idle speed is controlled by Powertrain Control Module (PCM) and is not adjustable. If engine idle concerns are present, check for contaminated fuel, vacuum leaks and incorrect ignition timing. Ensure throttle bore, EGR system and PCV system are clean. If these are okay, check PCM for Diagnostic Trouble Codes (DTCs). See appropriate SELF-DIAGNOSTICS article. If no DTCs are present, go to TROUBLE SHOOTING - NO CODES article.

Connect NGS scan tool to DLC-2 located under left side of instrument panel:

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