Q: About a year ago the oxygen sensor was replaced on my 1997 Mercury Cougar with a 4.6-liter engine. Since then, the yellow warning light occasionally comes on, flashes and then stops while I’m ...

I have a 2002 Lexus ES 300. The mechanic says three cylinders are misfiring in "bank 1." I don't know what to do. He sounds like he just wants money. He said it will be $90 an hour just to find out ...

What does it mean when your check engine light turns on while driving in Woodland, WA? HelloNation has published a ...

As great as cars can be for getting where you need to go as quickly as possible, they have some drawbacks. Most notable are the repairs that tend to come along with them, which can be every bit as ...

When the check engine light comes on in a vehicle, it’s indicating that there is some issue with the car that should be checked out. It could be something minor, such as the gas cap not being screwed ...

A misfire means that a cylinder in your engine isn’t producing the power it should because the air-fuel mixture in it didn’t properly ignite and burn. It could be an intermittent problem — meaning it ...

We’re obviously not talking about a jammed semi-automatic or dud ammo, but an engine misfire is fundamentally the same thing. A cylinder supposedly filled with compressed air and fuel—akin to ...

Three of the main reasons the check engine light or malfunction indicator lamp (MIL) turns on are: a loose fuel cap, issues with the ignition system, and problems with the emissions system. Many ...

A check engine light that returns after being reset means the underlying fault has not been repaired, only cleared from the vehicle's diagnostic memory. The OBD-II system monitors engine and emissions ...