1991 Jeep Wrangler "evap pump" Questions

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...pump, not your car. Some nozzles will work if held at a different angle or if they are not shoved down too deep into the vehicles fill neck. Problem in the vehicle is usually associated with a bad ...

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...pump) or your car. so if all stations are bad then it is your car ! (why not say so) Car: (all) so what is bad,, well that is EVAP system failure. vent hose pinched or blocked at filler neck see that ...

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...EVAP code ignore it until a later time, after the car is running. NOTE: Scan the system again after the vehicle is running. The reason is that non-related codes can be detected after the engine is ...

...pump ON. EVAP vent valve stuck closed: EVAP leak check pressure is unstable (difference between maximum and minimum is 0.36 kPa or more) when EVAP vent valve is OFF (OPEN) with EVAP leak detection ...

Question about Jeep Wrangler

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...PUMP OFF.SEE IF EVAP SYSTEM NOT WORKING.GAS VAPORS BUILD UP IN FUEL TANK.THE EVAP SYSTEM VENT GAS VAPOR BACK IN THE INTAKE MANIFOLD TO BE BURNED IN THE ENGINE COMBUSTION CHAMBER. HAVE EVAP SYSTEM ...

Question about Jeep Wrangler

1 Answer

...bad connect in the wiring harness or at the EVAP pump. The EVAP pump is faulty, broken or disconnected vacuum hose within the EVAP system. This code can be very challenging, even to an

Question about Jeep Wrangler

1 Answer

...EVAP system. Leak Detection Pump (LDP) Components: The main purpose of the LDP is to pressurize the fuel system for leak checking. It closes the EVAP system vent to atmospheric pressure so the system ...

Question about Jeep Wrangler

1 Answer

...EVAP system. Leak Detection Pump (LDP) Components: The main purpose of the LDP is to pressurize the fuel system for leak checking. It closes the EVAP system vent to atmospheric pressure so the system ...

...pump (6) into EVAP canister (1). Rotate pump (6) until tab aligns with notch in EVAP canister (1). Carefully install vapor/vacuum lines to NVLD pump. WARNING The vapor/vacuum lines and hoses must be ...

how do i fix it CODE PO2401 EVAP SYSTEM LEAK DETECTION PUMP MOTOR CIRCUIT LOW.POSSIBLE CAUSES.EVAP SYSTEM LEAK DETECTION PUMP MALFUNCTION.POOR CONNECTION OF EVAP SYSTEM OR PCM CONNECTOR.PCM HAS FAILED

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