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 MANUALSCHRYSLER1987NEW YORKER 2.2 EREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMFUEL INJECTION SYSTEM - MULTI-POINTTESTING & DIAGNOSISFUEL SYSTEM PRESSURE TESTINGFUEL SYSTEM PRESSURE TEST
1987 Chrysler New Yorker 2.2 E
Fuel System Pressure Test
1987 Chrysler New Yorker 2.2 ESECTION Fuel System Pressure Test
- Release fuel system pressure. Remove cover from service valve on fuel rail. Connect Fuel Pressure Gauge (C-3292) and Adapter Hose (C-44749) to service valve. Turn ignition on. Depress Actuator Test Mode (ATM) button on Diagnostic Readout Box (C-4805) to activate fuel pump.
- Check reading on testers after system is pressurized. Correct pressure reading should be 53-57 psi (3.7-3.9 kg/cm2 ). If system pressure is correct, remove testers. Replace cover on service valve.
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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.