answersLogoWhite

0

Trouble code P0421 means: Catalyst Efficiency Below Normal (Bank 1)

User Avatar

Wiki User

16y ago

What else can I help you with?

Related Questions

P0421 check engine code on 2001 Mazda 626?

Trouble code P0421 means:Warm up catalyst system efficiency below threshold


Ow do you correct the Check engine light on your 1998 Mazda protage with the code of p0421?

Trouble code P0421 means: Catalyst Efficiency Below Normal (Bank 1)


How many hp does a miata have?

The horsepower of a Mazda Miata varies by model year and engine type. For instance, the 2021 Mazda MX-5 Miata produces 181 hp from its 2.0-liter four-cylinder engine. Earlier models, like the 1990 Miata, had around 116 hp. It's essential to check the specific model and year for precise figures.


What is the engine check code P0421 on a 04 Mazda mpv?

PO421 Warmup Catalyst Efficiency Below Threshold Bank 1Possible Causes: Defective spark plugDefective O2 SensorDefective Catalytic Converter


What is engine check code P0705 on a 99 Mazda Miata?

Trouble code P0705 means:Transmission range sensor circuit malfunction (PRNDL input)


Will an Fl810 motorcraft oil filter fit my 1992 Mazda miata?

No, a FL810 Motorcraft oil filter will not fit a 1992 Mazda Miata. The Miata typically requires a specific oil filter designed for its engine, such as the Mazda part number B6Y1-14-302 or compatible aftermarket filters. Always check your vehicle's specifications to ensure you use the correct filter for optimal performance.


What is engine check code P1797 on a 97 Mazda Miata?

Trouble code P1797 means: Clutch Pedal Position Switch/Neutral Switch Circuit


How do you check automatic transmission fluid in 1990 Mazda Miata.?

To check the automatic transmission fluid in a 1990 Mazda Miata, start the engine and let it warm up for a few minutes. With the engine running, locate the transmission dipstick, which is typically found near the back of the engine bay. Pull out the dipstick, wipe it clean, reinsert it, and then remove it again to check the fluid level; it should be within the marked range. Additionally, inspect the fluid's color and consistency; it should be a reddish color and not smell burnt.


What is causing a dip in RPMs 1991 Mazda miata?

Check your battery, rpm computer controlled.


How many volts in Mazda miata 1995 car battery?

The 1995 Mazda Miata typically uses a 12-volt lead-acid car battery. This standard voltage is common for most vehicles and is sufficient to power the car's electrical systems and start the engine. Always check the specific battery specifications for your vehicle to ensure compatibility.


How do you change transmission fluid on 1995 Mazda miata?

check out the below. http://www.techguys.ca/howto/index.html


How do you adjust engine idle on a 1990 Mazda Miata with a 1.6 engine?

To adjust the engine idle on a 1990 Mazda Miata with a 1.6 engine, locate the idle adjustment screw on the throttle body. Start the engine and allow it to reach normal operating temperature. Then, use a screwdriver to turn the idle adjustment screw clockwise to increase the idle speed or counterclockwise to decrease it, aiming for an idle speed of around 850 RPM. Always double-check the idle speed with a tachometer after making adjustments.