Auto diagnostics . If this occurs even as soon as

The way to Troubleshoot a Mazda Rx7 1Perform a complete car tune-up . Pay particular consideration to replacing all critical fluids (transmission, clutch, brake and so forth.), flushing the engine coolant and replacing dirty or clogged fuel/air filters. This can remedy a myriad of matters relating to hesitation, poor fuel economic climate and overheating.2Replace any cracked or damaged vacuum lines.

These hoses generally put on speedily resulting from the level of heat the 13B engine generates. Making use of stronger silicon-based aftermarket hoses will address difficulties including idle surge and erratic enhance pressure.3Hook up an engine code reader for the Mazda's diagnostic port to promptly locate faulty components.4Attach a laptop or palm-based device with data-logging software package to monitor many engine parameters which include O2 sensor values, knock counts, timing curves and boost psi across the complete RPM band .

That is your most important tool, and can identify failing components such as the fuel pump/injectors, clogged/cracked catalytic converter as well as low engine compression or partially blown apex seals.5Connect an automotive multimeter to read battery and alternator output voltages. Low readings (below 12 volts) may possibly make the car hard to start out or in intense cases cause a lean condition inside the engine (resulting from insufficient fuel flow from the pump). If this occurs even as soon as, it might permanently damage the motor.