Auto Guides
Toyota Camry “RCD Unavailable” Explained: Rear Camera Detection Fix
An “RCD Unavailable” message on a Toyota Camry typically means the Rear Camera Detection (RCD) function has been switched off by the vehicle because it can no longer trust...
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ABS Light On and Speedometer Not Working: 6 Causes, Fixes, and How to Diagnose Fast
Seeing the ABS light on at the same time your speedometer stops working is more than just annoying—it can be a real safety concern....
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Straight Pipe Exhaust Explained (Prius Included): Pros & Cons
Modern automakers rarely build a vehicle with “just the basics” anymore. Today’s cars leave the factory with features designed to improve performance, satisfy safety...
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Normal STFT B1 Range Explained: What Short-Term Fuel Trim Means, Lean vs Rich Signs & Diagnosis
An air–fuel mixture ratio can be expressed through fuel trim data—either long-term fuel trim (LTFT) or short-term fuel trim (STFT). I’ve already explained what...
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Coolant Temperature Sensor: How It Works, Why It Fails, and The Truth About Bypassing It
The coolant temperature sensor is one of the most influential “small parts” in the entire engine management system. Even though it’s physically compact, its...
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Prius P0A0D Code Explained: High Voltage Interlock Circuit High (Causes, Subcodes 350/351 & Fix)
It doesn’t matter how long you’ve been cruising your Prius—brand-new to hybrids or a long-time owner—there are still a few components and safety systems...
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LS1 Engine Firing Order Explained: Cylinder Numbers, Benefits, and LS1 vs LS2 Guide
After the production of the LT1 engine in 1977, Chevy introduced the LS1 engine, another small-block performance engine. The LS1 engine came out exactly...
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Honda Valve Pause System Stuck Off (Causes, Symptoms, and Fixes)
Engine problems can be stressful—even for experienced vehicle owners—because the symptoms you feel (rough running, sluggish acceleration, warning lights) don’t always point clearly to...
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BMW “No Source Available” Error Fix: Causes, and Permanent Solutions
Whether your BMW is brand new or already five-plus years into ownership, it can still surprise you with the occasional mechanical or electronic hiccup....
Auto Guides
LT1 Firing Order Guide: Chevy LT1 Cylinder Numbers, Distributor Rotation, and Plug Wire Routing (Expert Explained)
GM is popular for tweaking the alphanumeric naming system of its high-performance engines, and few names generate as much recognition as “LT1.” The small-block...
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Water Pump Torque Specs Explained: Proper Bolt Tightening, Patterns, and DIY Installation Tips
For each type of vehicle, a corresponding recommended torque specification exists. You can always find the required torque spec in the vehicle owner’s manual...