Remove Books Remove Check Engine Light Remove Technical
article thumbnail

Can the Check Engine Light Come on Due to a Bad Gas Cap?

RepairSmith

Faced with the dreaded Check Engine Light (CEL)? While it’s easy to jump to the worst conclusions, sometimes your vehicle may simply trigger the Check Engine Light for gas cap issues. Let’s understand the connection between a bad gas cap and the Check Engine Light and how you can fix it.

article thumbnail

Exhaust Manifold Replacement Cost (+When Do You Need It?)

RepairSmith

Signs You Need an Exhaust Manifold Replacement Watch out for these symptoms of a malfunctioning exhaust manifold: Illuminated check engine light : The engine control unit (ECU) will turn on the check engine light if oxygen sensors detect an error. Can You Replace the Exhaust Manifold Yourself?

Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

Fuel Tank Pressure Sensor Replacement Cost + Is It Urgent? 

RepairSmith

If you notice any signs of a faulty fuel tank pressure sensor, it’s best to book a car repair with a reputable auto repair shop. While you can technically drive with a bad FTP sensor, it’s not recommended. A malfunctioning sensor can disrupt the emissions control system and create engine performance issues. What’s more?

IT 52
article thumbnail

How Often to Replace Spark Plugs: All You Need to Know

RepairSmith

5 Signs Your Spark Plugs Are Faulty If you notice the following symptoms, you may need a new spark plug: Illuminated check engine light : A blinking engine light may signal a misfire caused by a faulty spark plug. Technically you can drive with a faulty spark plug, but it isnt a recommended practice.

article thumbnail

Can You Drive with an EVAP Leak + How to Spot One?

RepairSmith

Can an EVAP Leak Cause Engine Misfires? While driving with an EVAP leak is technically possible, it isn’t recommended. Here’s why: Your car’s Evaporative Emission Control System captures and stores vapors from the fuel tank and burns them in the combustion chamber during engine operation. Can You Drive with an EVAP Leak ?

article thumbnail

Purge Valve Replacement: Why It’s Important + Costs Involved

RepairSmith

This throws off the air-fuel ratio, resulting in rough idle , reduced fuel economy (often accompanied by the check engine light), and difficulty starting your vehicle. An active check engine light : The ECU monitors the amount of released fuel vapor and triggers the check engine light if it’s deficient or excessive.

article thumbnail

Can You Drive with a Bad O2 Sensor + How to Know It’s Faulty?

RepairSmith

You’ll technically be able to start and drive your car with a faulty O2 sensor, but you’ll likely face poor engine performance and a drop in fuel economy. Check for these bad O2 sensor symptoms. Lit check engine light (CEL): A faulty O2 sensor is one of the most common reasons behind an illuminated CEL.