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 MANUALSDODGE AND RAM1983CHARGER SHELBYREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMEGR SYSTEMTESTINGSYSTEM FUNCTIONAL CHECKEXCEPT 2.6L
1983 Dodge and Ram Charger Shelby
Except 2.6L
1983 Dodge and Ram Charger ShelbySECTION Except 2.6L
- Place transmission in Neutral (man. trans.) or "P" (auto. trans.). Start engine and warm to normal operating temperature by idling engine.
- Abruptly open throttle to approximately 2000-3000 RPM. Visible movement of the EGR valve stem should be noted. Repeat several times if necessary.
- Attach a hand vacuum pump to EGR valve with engine at idle. Apply at least 5 in. Hg of vacuum and engine should run rough or stall.
- Attach vacuum gauge to EGR hose and open throttle quickly several times. A fluctuation of several in. Hg should be noted.
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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.