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 RAM1990SHADOW ES, 2D HATCHBACK, 2.2 CREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETHEORY AND OPERATIONENGINE CONTROLS - THEORY & OPERATION
1990 Dodge and Ram Shadow ES, 2D Hatchback, 2.2 C
Engine Controls - Theory & Operation
1990 Dodge and Ram Shadow ES, 2D Hatchback, 2.2 CSECTION Engine Controls - Theory & Operation
- Introduction
- Air Induction System
- Turbocharger I
- Turbocharger IV
- Control Unit
- Input Devices
- Notes
- Brake Switch
- Camshaft Angle Sensor
- Charge Temperature Sensor
- Clutch Switch
- Coolant Temperature Sensor
- Crankshaft Angle Sensor
- Denotation Sensor
- Hall Effect Switch
- Manifold Absolute Pressure Sensor
- Optical Distributor
- Oxygen Sensor
- P/N Switch
- Throttle Body Temperature Sensor
- Throttle Position Sensor
- Vehicle Speed Sensor
- Output Signals
- Fuel Delivery
- Throttle Body Injection (TBI)
- Port Fuel Injection (PFI)
- Idle Speed
- Direct Ignition System (Dis)
- Optical Ignition System (3.0L)
- Ignition Timing Control System
- Emission Systems
- Exhaust Gas RECIRCULATION (EGR) System
- Self-Diagnostic System
- Check Engine Light
- Miscellaneous Controls
- A/C Clutch Relay
- Alternator
- Auto Shutdown (ASD) Relay
- Radiator Fan Relay
- Speed Control Servo
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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.