Do I need to depressurize a 1999 chevy tracker fuel system to replace fuel filter?
It is a good idea to depressurise any fuel system before working on it to avoid injury.
If you do not release the pressure on the system, fuel will spray uncontrollably when you crack the fuel lines to replace the filter. Because of Murphy's Law, you will receive a good dose of fuel in the eyes.
Atop the intake manifold, you will find the fuel rail. It distributes fuel from the pump to the individual injectors. Along this rail you'll find a tire valve cap. remove this cap & depress the schreader valve, (tire valve), and it will release
the pressure. murf427
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