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 MANUALSCHRYSLER1987CONQUEST 2.6 H, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISEGR SYSTEMTESTINGSYSTEM TESTALL OTHERS
1987 Chrysler Conquest 2.6 H, Standard
All Others
1987 Chrysler Conquest 2.6 H, StandardSECTION All Others
- Disconnect Green-striped hose from injection mixer and connect vacuum pump to hose end. When engine is cold, 140°F (60°C) or less, and at idle, apply vacuum to hose. If idle does not change and vacuum leaks from EGR control solenoid valve, system is okay.
- When engine is hot, 185-205°F (85-95°C), and at idle, apply 2.4 in. Hg of vacuum. If idle does not change and vacuum holds, system is okay.
- Apply 6.8 in. Hg of vacuum. If idle becomes unstable or engine stalls (and vacuum holds), system is okay.
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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.