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How To's

How To Diagnose Intake / Vacuum Leaks

METHOD 1 : SMOKE TEST VIA INTAKE BOOT / INTAKE DUCT1. Remove the air filter housing from the intake boot.2. Place AutoLine Pro Cone Intake/Exhaust Adapter (optional accessory) into the intake boot towards the engine. A DIY adapter can also be used by stretching a large size latex glove over the intake boot and tightening it in place with a rubber band.3. If using the Cone Adapter, connect your smoke nozzle to it and introduce smoke into the system. If using a latex glove, poke a hole in one of the fingers and inject smoke.4. Use a flashlight to look...

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How To Diagnose EVAP System Leaks

HOW TO DIAGNOSE EVAP SYSTEM LEAKS1. Use a vehicle scan tool to close the EVAP vent solenoid (if kept open, this solenoid will allow smoke to naturally escape.) Alternatively, you may find a way to block the solenoid vent(s).2. There are 3 common entryways into the EVAP system:(A) Injecting smoke through the gas filler neck is the easiest method and requires a gas filler neck adapter. Check Autolinepro.com to see the availability of this accessory. Note : you will not be able to leak test the gas cap using this method.(B) If your vehicle has an EVAP service port with...

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