FiTech Fuel Injection

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How to Test Spark Plug Wires With a Multimeter

The Short Answer: Set your ohmmeter to the ohms resistance scale, disconnect the spark plug wire from both ends, and ...
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7 Signs of a Bad Throttle Body Sensor

The Short Answer: The most common signs of a bad throttle position sensor include erratic idle, dead spots when you ...
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Direct Injection vs. Port Injection: How They Compare

The Short Answer: Port injection sprays fuel into the intake port before the intake valve. Direct injection sprays fuel straight ...
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Vapor Lock: Causes and How EFI Prevents It

The Short Answer: Vapor lock happens when fuel in the line or pump gets hot enough to boil and turn ...
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