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.
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HOMESERVICE MANUALSBUICK2006TERRAZA CXL, 3.5 L, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 101 (ENGINE CONTROL SYSTEM - 3.8L - INTRODUCTION (2 OF 2))COMPONENT LOCATORENGINE CONTROLS CONNECTOR END VIEWSEXHAUST GAS RECIRCULATION (EGR) VALVE CONNECTOR END VIEW
2006 Buick Terraza CXL, 3.5 L, AWD
Exhaust Gas Recirculation (EGR) Valve Connector End View
2006 Buick Terraza CXL, 3.5 L, AWDSECTION Exhaust Gas Recirculation (EGR) Valve Connector End View
WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Exhaust Gas Recirculation (EGR) Valve
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | GY | 435 | EGR Solenoid Low Control |
| B | BK | 2753 | Low Reference |
| C | BN | 1456 | EGR Valve Position Signal |
| D | GY | 2702 | 5-Volt Reference |
| E | RD | 1676 | EGR Solenoid High Control |
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.