SPN 4354 code – Aftertreatment 1 Diesel Exhaust Fluid Line Heater 1 – Causes, Symptoms and How To Fix
When you see the SPN 4354 code pop up on your vehicle’s dashboard, it can feel like a jolt of confusion and concern. This code …
Car Care Hacks
Is It Safe To Drive With a Bad Control Arm
The control arm’s main function is to connect the wheel hub and the steering knuckle to the vehicle’s frame. Usually, the control arm has bushings …
SPN 3610 code – DOC outlet pressure sensor circuit – Causes, Symptoms and How To Fix
If you’re a diesel vehicle owner, encountering the SPN 3610 code can feel like running into a brick wall. This trouble code points to issues …
SPN 5394 code – Diesel Exhaust Fluid Dosing Valve – Causes, Symptoms and How To Fix
If you drive a diesel vehicle, you’ve likely heard about the importance of Diesel Exhaust Fluid (DEF) in meeting emissions standards. Enter SPN 5394—a code …
SPN 4335 code – Diesel Exhaust Fluid Air Pressure – Causes, Symptoms and How To Fix
Diesel engines are renowned for their power and efficiency, but they come with their own set of challenges. One code that can throw a wrench …
SPN 3031 code – Aftertreatment 1 Outlet NOx Sensor heater – Causes, Symptoms and How To Fix
Your dashboard lights up with warning codes like SPN 3031. This particular code indicates issues related to the Aftertreatment 1 Outlet NOx Sensor heater, and …
Is It Safe To Drive With a Bad Belt Tensioner?
A serpentine belt tensioner is something that applies a regulated amount of pressure to the serpentine belt so it can spin the alternator pulley, AC …
SPN 4094 code – NOx limits exceeded due to insufficient DEF quality – Causes, Symptoms and How To Fix
When it comes to heavy-duty vehicles, efficiency and compliance with emission standards are critical. One of the warning signs that something might be amiss is …
P0224 code – Throttle Position Sensor/Switch B Circuit Intermittent – Causes, Symptoms and How To Fix
The P0224 code refers to an intermittent issue with the Throttle Position Sensor/Switch B circuit—a critical component that influences how smoothly your car operates. Stay …
P0221 code – Throttle Position Sensor/Switch B Circuit Range/Performance – Causes, Symptoms and How To Fix
When your check engine light suddenly flickers to life, one common culprit behind this ominous glow is the P0221 code, associated with the throttle position …