DTC P0497: Flujo de Purga Bajo en Sistema EVAP – Honda Accord 2012-2017
DIY Honda Garage Español
[{'start': '1.160', 'end': '9.200', 'text': 'Welcome to the DIY Honda Garage channel.'}, {'start': '5.000', 'end': '11.759', 'text': 'Diagnostic trouble code DTC'}, {'start': '9.200', 'end': '14.360', 'text': 'P0497 indicates a problem with the'}, {'start': '11.759', 'end': '16.600', 'text': 'EVAP evaporative emissions system,'}, {'start': '14.360', 'end': '20.000', 'text': 'specifically pointing to'}, {'start': '16.600', 'end': '22.080', 'text': 'low purge flow.  The EVAP system is crucial'}, {'start': '20.000', 'end': '23.800', 'text': 'for controlling fuel vapor emissions'}, {'start': '22.080', 'end': '25.720', 'text': 'from the'}, {'start': '23.800', 'end': '28.640', 'text': 'fuel tank into the atmosphere,'}, {'start': '25.720', 'end': '31.240', 'text': 'ensuring environmental compliance.  In'}, {'start': '28.640', 'end': '33.280', 'text': 'this system, fuel vapors'}, {'start': '31.240', 'end': '35.879', 'text': 'are temporarily stored in an'}, {'start': '33.280', 'end': '38.160', 'text': 'EVAP canister and exhausted to the'}, {'start': '35.879', 'end': '40.960', 'text': 'engine through the'}, {'start': '38.160', 'end': '44.239', 'text': 'EVAP canister purge valve.  The'}, {'start': '40.960', 'end': '46.399', 'text': 'powertrain control module (PCM) regulates this'}, {'start': '44.239', 'end': '49.760', 'text': 'flow by varying the valve duty cycle'}, {'start': '46.399', 'end': '53.000', 'text': 'according to engine conditions.'}, {'start': '49.760', 'end': '55.559', 'text': 'If the PCM detects inadequate flow'}, {'start': '53.000', 'end': '58.840', 'text': 'during this purge process,'}, {'start': '55.559', 'end': '61.280', 'text': 'code P0497 is triggered.'}, {'start': '58.840', 'end': '63.519', 'text': 'Understanding this code is vital to'}, {'start': '61.280', 'end': '65.680', 'text': 'troubleshooting potential failures in'}, {'start': '63.519', 'end': '68.799', 'text': 'components associated with the'}, {'start': '65.680', 'end': '71.840', 'text': 'purge flow system, including the'}, {'start': '68.799', 'end': '74.200', 'text': 'EVAP canister and the purge valve itself.  The'}, {'start': '74.200', 'end': '78.280', 'text': 'EVAP canister plays a critical role in'}, {'start': '76.439', 'end': '80.280', 'text': 'storing'}, {'start': '78.280', 'end': '83.000', 'text': 'excess fuel vapors from the'}, {'start': '80.280', 'end': '85.200', 'text': 'fuel tank and releasing them back into the engine'}, {'start': '83.000', 'end': '88.240', 'text': 'during combustion through the'}, {'start': '85.200', 'end': '90.799', 'text': 'EVAP canister purge valve.'}, {'start': '88.240', 'end': '93.600', 'text': 'This valve opens based on commands'}, {'start': '90.799', 'end': '96.320', 'text': 'from the powertrain control module ('}, {'start': '93.600', 'end': '98.920', 'text': 'PCM), which dictates how much vapor is'}, {'start': '96.320', 'end': '101.840', 'text': 'released based on'}, {'start': '98.920', 'end': '104.280', 'text': 'real-time engine conditions.  Typically, when the'}, {'start': '101.840', 'end': '106.799', 'text': 'EVAP canister purge valve'}, {'start': '104.280', 'end': '109.240', 'text': 'is functioning properly, it allows'}, {'start': '106.799', 'end': '111.920', 'text': 'vapors to flow out, preventing'}, {'start': '109.240', 'end': '114.600', 'text': 'potential emissions problems and'}, {'start': '111.920', 'end': '118.000', 'text': "improving the vehicle's overall efficiency"}, {'start': '114.600', 'end': '120.799', 'text': '.  If the PCM detects low'}, {'start': '118.000', 'end': '122.960', 'text': 'purge flow, it indicates either a'}, {'start': '120.799', 'end': '125.119', 'text': 'faulty purge valve or problems'}, {'start': '122.960', 'end': '128.000', 'text': 'related to the'}, {'start': '125.119', 'end': '130.000', 'text': 'FTP fuel tank pressure sensor, which'}, {'start': '128.000', 'end': '132.640', 'text': 'monitors vapor flow to the'}, {'start': '130.000', 'end': '136.080', 'text': 'engine.  Typically located near the'}, {'start': '132.640', 'end': '138.760', 'text': 'fuel tank, the FTP sensor'}, {'start': '136.080', 'end': '141.360', 'text': 'helps the PCM determine the'}, {'start': '138.760', 'end': '144.480', 'text': 'pressure level in the fuel system,'}, {'start': '141.360', 'end': '147.160', 'text': 'thereby affecting emissions control.'}, {'start': '144.480', 'end': '149.640', 'text': 'The location of these components is'}, {'start': '147.160', 'end': '152.879', 'text': 'essential for'}, {'start': '149.640', 'end': '154.840', 'text': 'effective troubleshooting and repairs.  Several'}, {'start': '152.879', 'end': '158.239', 'text': 'potential causes can lead to'}, {'start': '154.840', 'end': '160.879', 'text': 'DTC P0497 being set.'}, {'start': '158.239', 'end': '163.440', 'text': 'First, the'}, {'start': '160.879', 'end': '165.440', 'text': 'EVAP canister purge valve may be stuck'}, {'start': '163.440', 'end': '167.360', 'text': 'closed, preventing'}, {'start': '165.440', 'end': '169.840', 'text': 'fuel vapors from passing from the'}, {'start': '167.360', 'end': '172.280', 'text': 'canister to the engine.  This'}, {'start': '169.840', 'end': '174.519', 'text': 'malfunction directly inhibits the'}, {'start': '172.280', 'end': '178.680', 'text': "system's ability to purge"}, {'start': '174.519', 'end': '180.920', 'text': 'excessive vapors, thus triggering the DTC.'}, {'start': '178.680', 'end': '183.040', 'text': 'Second, if the'}, {'start': '180.920', 'end': '186.000', 'text': 'fuel tank pressure sensor is'}, {'start': '183.040', 'end': '188.040', 'text': 'faulty or clogged, it will not'}, {'start': '186.000', 'end': '191.120', 'text': 'accurately report the pressure fluctuations'}, {'start': '188.040', 'end': '194.480', 'text': 'necessary for the PCM to'}, {'start': '191.120', 'end': '197.280', 'text': 'effectively regulate purge flow.  A'}, {'start': '194.480', 'end': '199.720', 'text': 'clogged EVAP system line can'}, {'start': '197.280', 'end': '202.400', 'text': 'further exacerbate this problem by'}, {'start': '199.720', 'end': '204.519', 'text': 'obstructing any vapor flow that would'}, {'start': '202.400', 'end': '206.840', 'text': 'normally occur.'}, {'start': '204.519', 'end': '209.879', 'text': 'Finally, if any lines in the'}, {'start': '206.840', 'end': '212.599', 'text': 'EVAP system are improperly installed or'}, {'start': '209.879', 'end': '215.200', 'text': 'connected, they could cause leaks or'}, {'start': '212.599', 'end': '217.760', 'text': 'blockages, further complicating the'}, {'start': '215.200', 'end': '220.000', 'text': 'purging process.  Identifying these'}, {'start': '217.760', 'end': '222.640', 'text': 'underlying causes requires'}, {'start': '220.000', 'end': '224.720', 'text': 'thorough inspections and testing not only of the'}, {'start': '222.640', 'end': '226.519', 'text': 'components, but also their'}, {'start': '224.720', 'end': '228.959', 'text': 'connections and'}, {'start': '226.519', 'end': '232.000', 'text': 'configurations.  Symptoms associated'}, {'start': '228.959', 'end': '234.840', 'text': 'with DTC'}, {'start': '232.000', 'end': '238.280', 'text': 'P0497 include illumination of the'}, {'start': '234.840', 'end': '240.879', 'text': 'CL check engine light on the'}, {'start': '238.280', 'end': '243.400', 'text': 'dashboard.  This warning alerts the'}, {'start': '240.879', 'end': '245.720', 'text': 'driver to a potential problem'}, {'start': '243.400', 'end': '248.560', 'text': "within the vehicle's emissions system"}, {'start': '245.720', 'end': '250.879', 'text': '.  Along with CL,'}, {'start': '248.560', 'end': '253.360', 'text': 'drivers may notice a drop in'}, {'start': '250.879', 'end': '255.359', 'text': 'fuel efficiency due to'}, {'start': '253.360', 'end': '257.320', 'text': 'the engine being unable to properly manage'}, {'start': '257.320', 'end': '263.000', 'text': 'fuel vapors, resulting in'}, {'start': '260.560', 'end': '265.720', 'text': 'unnecessary waste.  Additionally,'}, {'start': '263.000', 'end': '267.600', 'text': 'abnormal engine performance can arise due to'}, {'start': '267.600', 'end': '272.880', 'text': 'unbalanced air-fuel mixtures reaching the engine,'}, {'start': '270.160', 'end': '275.960', 'text': 'ultimately affecting the'}, {'start': '275.960', 'end': '282.680', 'text': "vehicle's power and responsiveness.  This may manifest itself in"}, {'start': '279.039', 'end': '285.120', 'text': 'rough idling, stalling, or decreased'}, {'start': '282.680', 'end': '287.639', 'text': 'acceleration.  It is vital to'}, {'start': '285.120', 'end': '289.520', 'text': 'monitor these signs immediately, as they'}, {'start': '287.639', 'end': '291.840', 'text': 'not only indicate an'}, {'start': '289.520', 'end': '293.960', 'text': 'emissions problem, but can also'}, {'start': '291.840', 'end': '296.160', 'text': 'result in increased'}, {'start': '293.960', 'end': '297.440', 'text': 'exhaust emissions that could violate'}, {'start': '297.440', 'end': '302.080', 'text': 'environmental regulations.  Addressing these symptoms'}, {'start': '299.840', 'end': '304.600', 'text': 'early can prevent'}, {'start': '302.080', 'end': '306.840', 'text': 'more extensive engine repair problems in'}, {'start': '304.600', 'end': '308.680', 'text': 'the future.  The first step in'}, {'start': '306.840', 'end': '311.240', 'text': 'troubleshooting'}, {'start': '308.680', 'end': '313.120', 'text': 'DTCP0497 involves checking the condition'}, {'start': '311.240', 'end': '315.680', 'text': 'of the EVAP canister purge valve'}, {'start': '313.120', 'end': '317.840', 'text': '.  By determining whether the valve is'}, {'start': '315.680', 'end': '319.720', 'text': 'functioning properly, you can'}, {'start': '317.840', 'end': '322.639', 'text': 'confirm whether the vehicle is achieving'}, {'start': '319.720', 'end': '324.759', 'text': 'the necessary vapor purge flow.   You'}, {'start': '322.639', 'end': '327.000', 'text': 'should monitor the valve duty cycle pulse'}, {'start': '324.759', 'end': '329.160', 'text': '.  If'}, {'start': '327.000', 'end': '332.479', 'text': 'a pulse is transmitted to the fuel tank pressure sensor'}, {'start': '329.160', 'end': '335.160', 'text': 'FTP, it indicates that the'}, {'start': '332.479', 'end': '337.560', 'text': 'purge flow is normal.  The pulse method'}, {'start': '335.160', 'end': '339.600', 'text': 'confirms that the system is'}, {'start': '337.560', 'end': '342.160', 'text': 'actively trying to extract vapors from the'}, {'start': '339.600', 'end': '344.639', 'text': 'vessel.  If the pulse check'}, {'start': '342.160', 'end': '347.400', 'text': 'fails and no signal is received from the'}, {'start': '344.639', 'end': '349.560', 'text': 'purge valve, this may indicate a'}, {'start': '347.400', 'end': '352.000', 'text': 'malfunction, either in the valve'}, {'start': '349.560', 'end': '354.840', 'text': 'itself or in the electrical connections'}, {'start': '352.000', 'end': '357.680', 'text': 'leading to it.  It is critical to'}, {'start': '354.840', 'end': '360.440', 'text': 'correctly evaluate these electrical pulses and'}, {'start': '357.680', 'end': '363.160', 'text': 'ensure that they are consistent with'}, {'start': '360.440', 'end': '365.560', 'text': 'the expected values \u200b\u200bestablished in the'}, {'start': '363.160', 'end': '368.039', 'text': 'diagnostic manual.  Identifying'}, {'start': '365.560', 'end': '370.120', 'text': 'any faults here is essential to'}, {'start': '368.039', 'end': '372.720', 'text': 'determining the path to'}, {'start': '370.120', 'end': '375.000', 'text': 'subsequent troubleshooting.  In the second'}, {'start': '372.720', 'end': '377.199', 'text': 'troubleshooting step, the'}, {'start': '375.000', 'end': '379.479', 'text': 'focus shifts to checking'}, {'start': '377.199', 'end': '383.080', 'text': 'the'}, {'start': '379.479', 'end': '385.919', 'text': 'FTP fuel tank pressure sensor for fluctuations.  This test'}, {'start': '383.080', 'end': '387.680', 'text': "involves analyzing the sensor's response"}, {'start': '385.919', 'end': '390.360', 'text': 'when the ignition switch is turned'}, {'start': '387.680', 'end': '392.680', 'text': 'to the lock position or'}, {'start': '390.360', 'end': '395.199', 'text': 'when the engine start/stop button is pressed'}, {'start': '392.680', 'end': '398.360', 'text': 'to select the'}, {'start': '395.199', 'end': '401.280', 'text': 'off mode.  When there is fluctuation from'}, {'start': '398.360', 'end': '404.039', 'text': 'negative pressure to atmospheric pressure'}, {'start': '401.280', 'end': '406.240', 'text': 'indicating a running system, it'}, {'start': '404.039', 'end': '408.560', 'text': 'could suggest that the'}, {'start': '406.240', 'end': '411.599', 'text': 'EVAP canister purge valve could be'}, {'start': '408.560', 'end': '416.440', 'text': 'stuck open triggering a'}, {'start': '411.599', 'end': '420.240', 'text': 'different DTC, namely P0496.'}, {'start': '416.440', 'end': '422.599', 'text': 'However, if the FTP sensor shows no'}, {'start': '420.240', 'end': '425.400', 'text': 'fluctuations, it reinforces the diagnosis'}, {'start': '422.599', 'end': '427.960', 'text': 'of low purge flow indicated by'}, {'start': '425.400', 'end': '431.240', 'text': 'DTC'}, {'start': '427.960', 'end': '433.960', 'text': 'P0497.  Also, consider monitoring'}, {'start': '431.240', 'end': '436.199', 'text': 'engine health and ensuring that'}, {'start': '433.960', 'end': '438.800', 'text': 'tests are performed when the engine is'}, {'start': '436.199', 'end': '441.639', 'text': 'idling and stable.'}, {'start': '438.800', 'end': '444.479', 'text': 'Correctly interpreting these findings is crucial'}, {'start': '441.639', 'end': '448.120', 'text': 'to isolating whether the root cause is coming from'}, {'start': '444.479', 'end': '450.280', 'text': 'the FTP sensor, the purge valve, or'}, {'start': '448.120', 'end': '452.960', 'text': 'potential obstruction issues'}, {'start': '450.280', 'end': '455.400', 'text': 'within the EVAP lines.  After'}, {'start': '452.960', 'end': '457.199', 'text': 'completing the necessary repairs, it'}, {'start': '455.400', 'end': '459.759', 'text': 'is vital to perform'}, {'start': '457.199', 'end': '463.080', 'text': 'final verification tests to confirm that'}, {'start': '459.759', 'end': '466.560', 'text': 'the problems related to DTC'}, {'start': '463.080', 'end': '468.319', 'text': 'P0497 have been resolved.  Begin this'}, {'start': '466.560', 'end': '470.840', 'text': 'process by performing'}, {'start': '468.319', 'end': '473.720', 'text': 'diagnostic checks using the'}, {'start': '470.840', 'end': '476.879', 'text': 'appropriate scan tool.  This should include'}, {'start': '473.720', 'end': '479.440', 'text': 'monitoring for any persistent DTCs that'}, {'start': '476.879', 'end': '481.560', 'text': 'may indicate remaining problems within'}, {'start': '479.440', 'end': '484.080', 'text': "the EVAP system.  Once you've"}, {'start': '481.560', 'end': '486.360', 'text': 'verified that there are no new codes,'}, {'start': '484.080', 'end': '489.280', 'text': 'make sure any previously'}, {'start': '486.360', 'end': '491.319', 'text': 'set codes have been reset.  The'}, {'start': '489.280', 'end': '493.720', 'text': 'system should be observed for'}, {'start': '491.319', 'end': '495.759', 'text': 'multiple driving cycles to'}, {'start': '493.720', 'end': '498.319', 'text': 'ensure the repair is'}, {'start': '495.759', 'end': '500.840', 'text': 'effective and the check'}, {'start': '498.319', 'end': '503.720', 'text': 'engine light does not illuminate'}, {'start': '500.840', 'end': '505.800', 'text': 'again.  This thorough inspection'}, {'start': '503.720', 'end': '508.120', 'text': 'ensures the integrity of the'}, {'start': '505.800', 'end': '510.400', 'text': 'repair work, maintaining'}, {'start': '508.120', 'end': '513.000', 'text': 'vehicle performance and compliance with'}, {'start': '510.400', 'end': '514.959', 'text': 'emissions regulations.  It may be'}, {'start': '513.000', 'end': '517.399', 'text': 'advisable to prepare a'}, {'start': '514.959', 'end': '520.320', 'text': 'detailed report to track changes over'}, {'start': '517.399', 'end': '523.240', 'text': 'time for future'}, {'start': '520.320', 'end': '525.519', 'text': 'reference.  Preventative maintenance'}, {'start': '523.240', 'end': '531.120', 'text': 'is essential for the longevity of the'}, {'start': '525.519', 'end': '533.600', 'text': 'EVAP system and to avoid DTC P0497.'}, {'start': '531.120', 'end': '536.040', 'text': 'Regular EVAP system inspections'}, {'start': '533.600', 'end': '538.959', 'text': 'can detect'}, {'start': '536.040', 'end': '541.680', 'text': 'potential problems early, preventing'}, {'start': '538.959', 'end': '544.000', 'text': 'vapor flow-related failures.'}, {'start': '541.680', 'end': '546.360', 'text': 'During routine checks,'}, {'start': '544.000', 'end': '550.000', 'text': 'be sure to evaluate the function of the'}, {'start': '546.360', 'end': '553.079', 'text': 'canister purge valve.  EVAP'}, {'start': '550.000', 'end': '556.680', 'text': 'should open and close smoothly'}, {'start': '553.079', 'end': '558.880', 'text': "according to the PCM's commands.  Additionally,"}, {'start': '556.680', 'end': '561.120', 'text': 'inspecting the integrity of the entire'}, {'start': '558.880', 'end': '563.920', 'text': 'fuel system is key to'}, {'start': '561.120', 'end': '566.000', 'text': 'ensuring proper operation.'}, {'start': '563.920', 'end': '568.760', 'text': 'Check for signs of leaks,'}, {'start': '566.000', 'end': '570.640', 'text': 'obstructions, or disconnections that may'}, {'start': '568.760', 'end': '572.720', 'text': 'inhibit'}, {'start': '570.640', 'end': '575.079', 'text': 'operating efficiency.  Consider performing'}, {'start': '572.720', 'end': '577.320', 'text': 'scheduled inspections that align'}, {'start': '575.079', 'end': '580.440', 'text': "with your vehicle's maintenance schedule"}, {'start': '577.320', 'end': '583.160', 'text': ', focusing on keeping all'}, {'start': '580.440', 'end': '585.920', 'text': 'related components operating'}, {'start': '583.160', 'end': '588.880', 'text': 'optimally.  Maintaining a'}, {'start': '585.920', 'end': '591.160', 'text': 'clean and operational EVAP system not only improves'}, {'start': '588.880', 'end': '593.320', 'text': 'vehicle performance but'}, {'start': '591.160', 'end': '597.320', 'text': 'also meets'}, {'start': '593.320', 'end': '599.680', 'text': 'environmental standards.  In conclusion,'}, {'start': '597.320', 'end': '602.000', 'text': 'DTCP0497 serves as an'}, {'start': '599.680', 'end': '603.279', 'text': 'essential indicator of problems within the'}, {'start': '603.279', 'end': '609.000', 'text': 'evaporative emissions system, primarily due to'}, {'start': '605.839', 'end': '611.360', 'text': 'low purge flow.  Understanding the'}, {'start': '609.000', 'end': '614.160', 'text': 'operational role of the EVAP canister and'}, {'start': '611.360', 'end': '616.360', 'text': 'purge valve helps technicians'}, {'start': '614.160', 'end': '618.800', 'text': 'troubleshoot'}, {'start': '616.360', 'end': '621.440', 'text': 'effectively.  Identifying possible'}, {'start': '618.800', 'end': '624.160', 'text': 'causes ranging from stuck valves'}, {'start': '621.440', 'end': '626.079', 'text': 'to sensor failures is critical to'}, {'start': '624.160', 'end': '629.079', 'text': 'rectifying the problem'}, {'start': '626.079', 'end': '631.040', 'text': 'promptly.  Additionally, recognizing'}, {'start': '629.079', 'end': '633.040', 'text': 'symptoms such as decreased'}, {'start': '631.040', 'end': '635.120', 'text': 'fuel efficiency or the'}, {'start': '633.040', 'end': '637.480', 'text': 'illumination of the check'}, {'start': '635.120', 'end': '640.519', 'text': 'engine light ensures'}, {'start': '637.480', 'end': '643.079', 'text': 'timely diagnoses.  Implementing'}, {'start': '640.519', 'end': '645.440', 'text': 'comprehensive preventive maintenance checks'}, {'start': '643.079', 'end': '648.120', 'text': 'can improve vehicle longevity'}, {'start': '645.440', 'end': '650.680', 'text': 'and compliance with'}, {'start': '648.120', 'end': '652.959', 'text': 'emissions standards.  By following these'}, {'start': '650.680', 'end': '655.760', 'text': 'comprehensive troubleshooting steps,'}, {'start': '652.959', 'end': '657.279', 'text': 'technicians can effectively address'}, {'start': '655.760', 'end': '660.000', 'text': 'DTC'}, {'start': '657.279', 'end': '662.000', 'text': "P0497 and maintain the Honda Accord's"}, {'start': '660.000', 'end': '664.040', 'text': 'performance integrity and environmental responsibility'}, {'start': '664.040', 'end': '670.519', 'text': '.  Give it a like and subscribe to the channel.   See you'}, {'start': '667.160', 'end': '670.519', 'text': 'next time.  M.'}]