Category Engine Diagnostics

If the engine’s computer relies on a crankshaft position sensor reading a trigger wheel on the balancer, a failing unit can cause an abnormal signal, resultin ...

A complete guide to fuel pump relay replacement Master the diagnostic tests, safety precautions,. Di ...

A cold startup rattle from a turbocharged engine is often the wastegate Learn how to confirm wastega ...

A bad map sensor can cause a wide range of performance issues, from rough idling and poor fuel econo ...

When the coolant temp sensor fails, the engine may overheat or run poorly You might notice strange e ...

Ive been dealing with a surging, erratic boost issue for a while now and have replaced pretty much e ...

Regularly check your relay for signs of wear or damage If you’re wondering how to tell if your fue ...

Bad spark plugs can impact fuel economy in several ways, influencing engine efficiency, smoothness, ...

Early signs of a failing distributor cap like hard starting and a rough idle can often go unnoticed, ...

Accurately troubleshoot and resolve fuel pressure regulator faults to restore optimal. Resolve incon ...

If the check engine light is flashing, the spark plugs may be bad What are the symptoms of bad spark ...

Learn what alternator whining noise usually means, what to check first, likely fixes, and when it ne ...

Essential techniques for countering the high retaining torque required to remove a harmonic balancer ...

A failing exhaust manifold will typically announce itself through unmistakable symptoms Loud metalli ...

Diagnose and fix the common p0171 engine code We explain the lean condition, identify root causes, a ...

Upstream o2 sensors are important for engine performancethere are multiple o2 sensors in toyota camr ...

So, today i get underthe car while it is running, and it seams like the noise is coming from the big ...

Here are the most common indicators Check under the front of your truck after it has been parked for ...