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 MANUALSCHRYSLER1987FIFTH AVENUE 5.2 4REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMEGR FUNCTION TESTINGEGR VALVE2.6L SUB-EGR CONTROL VALVE
1987 Chrysler Fifth Avenue 5.2 4
2.6L Sub-EGR Control Valve
1987 Chrysler Fifth Avenue 5.2 4SECTION 2.6L Sub-EGR Control Valve
- Check vacuum lines for correct routing. Disconnect Green-stripe vacuum hose from carburetor. Attach a hand-held vacuum pump to hose. With engine at idle speed, manually open sub-EGR control valve.
- Apply 6 in. Hg to EGR valve and ensure engine runs roughly. Reconnect vacuum hoses.
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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.