Once a problem has occurred a test procedure is needed to help diagnose the malfunction. This section will give you information on how to use automotive diagnostic tools:

• How to use a code reader
   
• Why is my service engine soon light on?
   
• How to use a vacuum gauge
   
• How to use a fuel pressure gauge
   
• How to use a test light
   
• How to check compression
   
• How to use a multi-meter or voltmeter?
   
• How to use an IR (infrared) meter?
   
  
• How to test a thermostat
   
• How to check tire air pressure
   
  
• How to test a electrical relay
  

Check Manufacturer Specific Car Problem Questions and Answers

ASK A CAR REPAIR QUESTIONS

Related Subjects

• How to use a Engine Code Scanner
• How to Replace Front Brake Pads
• Change Oil Filter
• Change Air Filter
• How to Tune Up
• Check Battery and Alternator
• Engine Stalls
• How to Change a Fuel Filter

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