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 MANUALSPLYMOUTH1994SUNDANCE DUSTER, 2D HATCHBACK, 2.5 K, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - BASIC TESTINGPRELIMINARY INSPECTION & ADJUSTMENTSMECHANICAL INSPECTIONCOMPRESSION
1994 Plymouth Sundance Duster, 2D Hatchback, 2.5 K, Automatic
Mechanical Inspection: Compression
1994 Plymouth Sundance Duster, 2D Hatchback, 2.5 K, AutomaticSECTION Compression
Check engine mechanical condition with a compression gauge, vacuum gauge or engine analyzer. See engine analyzer manual for specific instructions.
WARNING:
DO NOT use ignition switch during compression tests on fuel injected vehicles. Use a remote starter to crank engine. Injectors on many models are triggered by ignition switch during cranking mode, which can create a fire hazard or contaminate the engine's oiling system.
ENGINE COMPRESSION SPECIFICATIONS(1)
| Application | psi (kg/cm2 ) | |||
|---|---|---|---|---|
| Minimum Compression Pressure | ||||
| 2.2L & 2.5L | 100 (7.0) | |||
| 3.0L | 178 (12.5) | |||
| 3.3L | 100 (7.0) | |||
| 3.5L | 155-170 (10.9-12.0) | |||
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RENDER: 1.0x
NO RELATED
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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.