Chevy Impala: What’s Causing That Rotten Egg Smell?

One of the most undervalued diagnostic tools is the human nose.  There’s a lot our nose can tell us about a vehicle with a few quick sniffs.  If you happen to smell a rotten egg smell coming from your Chevy Impala, it is certainly a cause for concern.  It is most commonly associated with a … Read more

Chevy Impala Dies After Starting Diagnosis

It can be very disconcerting if your Chevy Impala is starting and then dies.  It is most likely caused by some type of issue with the electrical or fuel system.  But, there can be other causes as well. Your Impala’s engine needs 3 things constantly and in the proper proportion to keep running. Air Fuel … Read more

Chevy Impala: Shaking When Accelerating → Diagnosis

One of the more common issues that can occur is a vehicle that shakes when accelerating.  If your Chevy Impala is shaking when accelerating, it’s something that should not be ignored.  While the vibration can be annoying, it is often indicative of a serious problem.   Speed Matters Vehicle speed matters when you feel a … Read more

Chevy Impala:  Lifter Ticking Diagnosis

One of the most annoying things that you can coming from under the hood of your Chevy Impala is a ticking lifter.  The ticking noise makes it sound like the engine is going to give up the ghost at any time.  There are a few things that can cause a lifter to tick, such as … Read more

Chevy Impala: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Chevy Impala.  By themselves, these are some of the most common OBD2 codes.   When they appear together, it indicates that the entire engine is running lean. Definition Both of these codes are generic, which means they have the same meaning … Read more

Chevy Impala:  Clutch Slipping → Diagnosis

Your Chevy Impala’s clutch provides a direct connection between the engine and transmission.  Without it, it can’t move at all. This connection requires a tremendous amount of pressure.  This guide is intended to help you determine why your clutch is slipping on the flywheel. Note:  This article is for manual cars only.  Here’s the automatic … Read more

Chevy Impala:  Engine Sputtering (Causes + Diagnosis)

A sputtering engine can indicate a number of problems.  If your Chevy Impala has a sputter, it is most likely going to be caused by bad fuel system, ignition system, MAF sensor, or bad catalytic converter.  Your Impala’s engine is a giant pump.  It pulls in air (where it is measured by the mass airflow … Read more

Chevy Impala:  Brake Pedal Going to Floor Diagnosis

The single most important safety feature in your Chevy Impala is a good set of brakes.  If your brake pedal is going to the floor, it indicates that there is a serious problem in the braking system.  When the pedal goes to the floor, it’s usually caused by a bad master cylinder, leaking brakes, bad … Read more