A loud ticking noise (hydraulic valve lifter noise) may be heard from the top of the engine, particularly when the engine is still cold. The noise may occur more frequently on higher mileage vehicles; Hydraulic valve lash adjusters may need to be replaced to correct this issue. Following the maintenance schedule for oil changes will also help prevent a recurrence of the noise.
Resources for the Repair and Maintenance of your 1994 Mazda Miata MX-5
1994 Mazda Miata MX-5
1994 Mazda Miata MX-5 Problems
Failure of the valve cover gasket can allow engine oil to leak onto the spark plug wires and damage them. The engine will run poorly (misfire) if the spark plug wires fail.
1994 Mazda Miata MX-5 Questions and Answers
I was told it was my speedometer cable
Engine runs very hot even after only 10-20 miles...center of engine ..ten inches straight down from windshield ...is the worst... Console also very hot. Normal things check out ok. This has been ...
has gas, plugs fresh
Just changed the thermostat