Automotive Diagnostic Tool | Identify Car Problems & Solutions | UnderhoodHub

Professional Automotive Diagnostic Tool

Identify car problems instantly with our expert diagnostic system. Get accurate repair solutions and step-by-step guides.

Select Your Vehicle

Select Symptoms

Engine Knocking
Poor Acceleration
Check Engine Light
Poor Fuel Economy
Electrical Issues
ABS Light On
Overheating
Battery Drain

Diagnostic Report

Complete Vehicle Information

Select your vehicle details and symptoms to generate a comprehensive diagnostic report with repair estimates and solutions.

2024 Toyota Fortuner
July 15, 2025
Problem Severity: Moderate

Based on your symptoms and vehicle information, we've identified the most probable causes and solutions for your car issues.

Professional Automotive Diagnostic Solutions

Our comprehensive automotive diagnostic tool helps car owners identify vehicle problems accurately and provides detailed repair solutions. Whether you're experiencing engine issues, electrical problems, or warning lights on your dashboard, our tool can help pinpoint the cause and recommend the best course of action.

Why Choose Our Diagnostic Tool?

  • Comprehensive Database: Covers all major car makes and models from 2010 to 2025
  • Accurate Diagnostics: Probability-based identification of potential issues
  • Step-by-Step Guides: Detailed DIY repair instructions for common problems
  • Prevention Tips: Learn how to avoid future issues with proper maintenance
  • Cost Estimates: Understand potential repair costs before visiting a mechanic

Common Automotive Problems We Diagnose

Our diagnostic tool can identify and provide solutions for a wide range of vehicle issues, including:

  • Engine knocking and performance issues
  • Check engine light diagnostics
  • Electrical system failures
  • Transmission problems
  • Brake system warnings
  • Cooling system overheating
  • Battery and charging system issues

How to Use This Diagnostic Tool

Select Your Vehicle

Choose your car's make, model, and year from the dropdown menus for accurate diagnosis.

Identify Symptoms

Select all symptoms your vehicle is experiencing from the comprehensive list provided.

Get Diagnosis

Click "Diagnose" to receive a detailed report of potential issues and solutions.

Follow Repair Guides

Use our step-by-step DIY instructions to fix common problems yourself.

Frequently Asked Questions

How accurate is this diagnostic tool?

Our diagnostic tool uses industry-standard algorithms and comprehensive automotive databases to provide highly accurate results. While it can't replace a professional mechanic's inspection, it identifies the most probable causes based on your symptoms with about 85-90% accuracy for common issues.

Can I use this tool for any car make and model?

Yes, our database includes all major car manufacturers and models from 2010 to current year vehicles. We continuously update our database to include new models and emerging automotive technologies.

How often is the repair cost information updated?

We update our repair cost database quarterly using information from national repair chains, dealerships, and parts suppliers. The costs provided are national averages and may vary by location.

Are the DIY repair guides suitable for beginners?

Our DIY guides range from beginner to advanced levels. Each guide includes a difficulty rating and safety information. For complex repairs, we always recommend consulting a professional mechanic.