Your Questions Answered By Our Experts

What can be causing P0420 engine error and poor gas/mileage?

There are a number of things that can cause a P0420 engine error code, including: -A faulty oxygen sensor -A clogged or restricted catalytic converter -An exhaust leak before the catalytic converter -A problem with the fuel injectors -A problem with the air/fuel mixture If you're experiencing poor gas mileage, it could be due to one of these issues. If you think your catalytic converter may be the problem, have it checked by a mechanic to see if it needs to be replaced. You may also want to check for exhaust leaks before taking your car in for service.

What Others are Asking

Why my Honda shows B1 service due?

Honda B1 service is an oil and filter change with a tire rotation. The service is typically done every 7,500 miles or 12 months, whichever comes first. By regularly changing your oil and rotating yo...

Is it legal to have wheel lights on a truck?

In most jurisdictions, it is legal to have wheel lights on a truck as long as they are not excessively bright or obstructive. Additionally, the wheel lights must be properly mounted and wired so as n...

How do I start the car if I have keyless ignition and the transmitter battery is low?

The keyless ignition is a great feature, but it can be frustrating when the transmitter battery is low. Here are some tips to help you start the car if your keyless ignition is not working: Extend th...

What does "Service power steering" warning mean?

A power steering system helps drivers steer vehicles by using hydraulic fluid pressure. The "Service power steering" warning may come on if there is a problem with the power steering system. Drivers ...

Why does my car shake at 60 mph and higher stops when I let off gas?

This is a common issue that can have a few different causes. One possibility is that your tires are unbalanced, meaning that they are not of equal weight all the way around. This can cause a shaking o...