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 MANUALSMERCURY1985LYNX BASE, 2D HATCHBACK, 1.9 9, MTXIIREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMFUEL INJECTION SYSTEM - DIESELTESTINGINJECTORSSPRAY PATTERN
1985 Mercury Lynx Base, 2D Hatchback, 1.9 9, MTXII
Spray Pattern
1985 Mercury Lynx Base, 2D Hatchback, 1.9 9, MTXIISECTION Spray Pattern
- Operate test pump in smooth, even strokes and observe pattern of spray from tip of injector. The first 3" of spray from injector is important. Spray should be finely atomized in an even, straight pattern. See Fig 1 .
- If spray pattern is incorrect, clean injector and repeat test. See Overhaul section. After testing, disassemble injectors and clean in a decarbonizing solution or ultrasonic bath.
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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.