Why is my Mazda MX 5 Miata stalling?
Finally, I removed the throttle body, and found the inside of the plenum behind it coated with an oily mud. The crankcase ventilator (PCV valve) spits a little oil mist in there. Then the super fine dust that finds its way through the air filter turns that into mud.
What to do when your Mazda Miata starts from cold?
This normally occurs within two minutes with the engine started from cold, and can be observed by a noticeable drop in rpm at idle. With the engine warmed up disconnect the pig tail wire of the O2 sensor from the main engine wire harness. Repeatedly and quickly apply large amount of throttle. If throttle response is normal, replace the O2 sensor.
Why does my Miata have no idling signal?
No surge or hesitation. There is another possible cause for hesitation and poor idling: Water in the engine – if you clean the engine bay with a pressure hose and spray the top of the engine block, you may have troubles.
What to do about bogging on a Mazda Miata?
With the engine warmed up disconnect the pig tail wire of the O2 sensor from the main engine wire harness. Repeatedly and quickly apply large amount of throttle. If throttle response is normal, replace the O2 sensor. For me, I still had the “bogging” and misfires.
Is the Mazda MX5 stalling out at idle?
I’ve had my 1992 Mazda Miata MX5 since 2009. It has 90,000 miles on it. Lately I have had a problem with the car stalling out at idle (when I stop for a light ) This is after I have driven it long enough to heat it up completely.
What’s the problem with my Miata starting and stalling?
It is the Cam Position Sensor (CPS) and it appears to be a common problem. Many websites have information on this and several of them refer to Miata.net where you can find all kinds of Miata-based information. Here is a link of what someone wrote about our same problem:
What’s the problem with my Mazda MX 5 Miata?
Miata.net has some discussion about “idle dropping” and Mazda’s seeming unwillingness to acknowledge this problem, but no definitive solutions. My dealer mechanic is not sure and says we must go down the list replacing this and that beginning with the cam sensor, then the fuel pump, and then the coil.
What happens when gas is too low in Miata?
Fuel octane is a measure of the ability of the gas to spontaneously ignite. (For more information on octane, see the Gasoline FAQ.) When the octane is too low, the fuel in the cylinder burns too quickly causing ping. The stock Miata is designed to run on 87 octane fuel.