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 MANUALSDODGE1987SHADOW L4-135 2.2L SOHC TURBOREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSKNOCK SENSORDESCRIPTION AND OPERATION
1987 Dodge Shadow L4-135 2.2L SOHC Turbo
Knock Sensor: Description and Operation
1987 Dodge Shadow L4-135 2.2L SOHC TurboSECTION Description and Operation
The detonation sensor generates a signal when spark knock occurs. It is mounted on the intake manifold in a position where detonation in each cylinder can be detected. The logic module or SMEC uses information from the knock sensor to modify spark advance and boost schedules to eliminate detonation.
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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.