evap leak detection pump pressure switch jeep liberty

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Emissions Controls Jeep Cherokee 99 to 05 EVAP Leak Detection Pump

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Filed Under (Jeep) by admin on 17-04-2013

download The evaporative emission system is designed to prevent the escape of fuel vapors from the fuel system. Leaks in the system, even small ones, can allow fuel vapors to escape into the atmosphere. Government regulations require onboard Testing to make sure that the evaporative (EVAP) system is functioning properly. The leak detection system tests for EVAP system leaks and blockage. It also performs self-diagnostics. During self-diagnostic…

Jeep Cherokee 1999 to 2005 Emissions Controls EVAP Leak Detection Pump

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Filed Under (Jeep) by admin on 21-03-2013

download The evaporative emission system is designed to prevent the escape of fuel vapors from the fuel system. Leaks in the system, even small ones, can allow fuel vapors to escape into the atmosphere. Government regulations require onboard Testing to make sure that the evaporative (EVAP) system is functioning properly. The leak detection system tests for EVAP system leaks and blockage. It also performs self-diagnostics. During self-diagnostic…

1997 Isuzu Rodeo S FUEL PUMP PRESSURE TEST Manual Repair

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Filed Under (Isuzu) by admin on 26-04-2013

l pressure regulator vacuum hose. Note fuel pressure at idle with vacuum hose disconnected (no vacuum). Fuel pressure should be 42 psi (3.0 kg/cm2 ). See FUEL PUMP PERFORMANCE . 4. If fuel pump pressure is low, check for fuel leaks, restrictions in intake side of fuel pump, leaking injectors, faulty pressure regulator or faulty fuel pump. If fuel pressure is high, check for restrictions in return line to tank or faulty pressure regulator. If pres…