Could be gas, get a new tank full at another station and see how the car responds A forum community dedicated to mazda miata mx5 owners and enthusiasts I have noticed there are differences in.
2016 Mazda MX-5 Miata Grand Touring: Start Up, Exhaust and Review - YouTube
Worn or fouled spark plugs can lead to misfires,.
I’ve been getting a rough idle at startup recently
The last 3 or 4 times i’ve started it when the engine was cold After it warms up or subsequent startups it seems fine Trying to figure out if it’s. Cleaning the throttle body is essential but also inspect the iac valve for carbon.
A complete guide to diagnosing and replacing the throttle body on the nd generation miata, including the critical idle relearn procedure required after installation. After sitting for a while, (and after getting fixed) the cold start for the car is rough I also checked the idle with the diagnostic port jumped and it sits at around 1200 rpm, but it doesn't seem normal that it would drop 400 rpm Any help would be great,.
Repairpal will help you figure out whether it's your vacuum leak, spark plugs, ignition coil, or something else.
The most common cause is carbon buildup on the throttle body and idle. Drivers have reported grinding noises when shifting, especially between second and third gear This issue tends to worsen. Car idles rough when cold then smooths out
Here are 8 causes (carbon buildup, vacuum leaks, bad sensors) with easy fixes under $300
