Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 69Get this manual

Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 69

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IGNITION

5.4 Bad coilweak spark 5.5 TPS malfunction 6 Engine runs rough above 3000 rpm 6.1 Fouled spark plug 6.2 Speed Reduction 6.3 Low air pressure in rails 6.4 TPS malfunction

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