Does your car sound a little different than usual? If you hear a knocking sound in place of the typical smooth start of your engine, your engine probably has what is referred to as rod knock, a type of engine knock.
There are 2 issues “Engine Knock” can refer to:
2. Lower End Rod Knock
In this article, we’ll be explaining the 2nd issue: Rod Knock. What does it mean and what causes it? Watch this video to find out:
Is your Check Engine light on with a distinct engine knocking sound, and you have a code P0327 or P0332, but you don’t know what that means?
Our mechanic explains what these “Knock Sensor Circuit Low Input” OBD2 codes mean, what can cause them, and shows you how to diagnose your car’s knock sensors by reading their signals and inspecting their wiring harnesses in this video. Watch now:
So, your check engine light is on, and you’ve got either a P0420 or P0430 code, on your OBD-II scanner. This “Catalyst system efficiency below threshold” code is triggered when your car’s computer (the powertrain or engine control module [PCM or ECM]) detects a catalytic converter issue.
In this video, our mechanic explains how a catalytic converter’s efficiency is reduced when it’s clogged, which triggers one of these two error codes. Watch now:
What does it mean if you have a P0141 code and your check engine light is on? P0141, “O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 2),” means something is preventing your car’s Bank 1 number 2 oxygen (O2) sensor’s heated circuit from working correctly.
In this video, our mechanic shows you how to inspect and test your oxygen sensors. You’ll also find out how to check their circuits and wiring, fuses, and other areas to figure out what’s causing the P0141 code.
Your check engine light is on and you’ve got a code P2138, “Throttle/Pedal Position Sensor/Switch D/E Voltage Correlation.” What does that mean? In this video, our mechanic breaks down the P2138 code, its symptoms, including poor acceleration and reduced power mode, and shows you how to diagnose the potential causes so you know what to do to clear the code.
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Read MoreIf your car has a check engine light on for a P0300 code, it means a misfire has been detected. Your car may also be running rough and you also might be experiencing bad gas mileage.
In this article and video, we review how to diagnose and fix the ignition coil that may have triggered the P0300 code, which stands for “Random/Multiple Cylinder Misfire Detected.”
Our mechanic shows you how to diagnose a P0343 code (“Camshaft Position Sensor Circuit High Input”), and the electrical issues that could be causing it. Your car’s symptoms could include engine bucking, surging, stalling, taking longer than usual to start, or not starting at all.
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