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 PERFORMANCESYSTEMEFC SYSTEMTESTINGCOLD DRIVEABILITY TEST 4 - CHARGE TEMPERATURE SENSOR CIRCUITCHECK
1987 Chrysler Fifth Avenue 5.2 4
Cold DRIVEABILITY Test 4 - Charge Temperature Sensor CIRCUITCHECK
1987 Chrysler Fifth Avenue 5.2 4SECTION Cold DRIVEABILITY Test 4 - Charge Temperature Sensor CIRCUITCHECK
- Disconnect both connectors from the computer. Connect an ohmmeter between 10-way connector cavity "9" and 12-way connector cavity "10". Ohmmeter reading should be as follows:CHARGE TEMPERATURE SENSOR CIRCUIT RESISTANCE
Temperature °F (°C) Resistance -40 to 20 (-40 to -7) 382,000-22,000 50-100 (10-38) 36,000-3300 140-245 (60-118) 3900-176 - If resistance checks okay, proceed to COLD DRIVEABILITY TEST 5
. If resistance is not within specifications, disconnect charge temperature sensor connector. Connect an ohmmeter between charge temperature sensor terminals. Resistance should be as shown in CHARGE TEMPERATURE SENSOR RESISTANCE
chart.CHARGE TEMPERATURE SENSOR RESISTANCE
Temperature °F (°C) Resistance -40 to 20 (-40 to -7) 382,000-22,000 50-100 (10-38) 36,000-3300 140-245 (60-118) 3900-176 - If resistance is okay, repair wiring between computer and sensor for a short or open circuit. If resistance is not within specifications, replace charge temperature sensor.
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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.