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Monday, October 6, 2014

Honda Accord car unable to start troubleshooting after turn off

        Symptom: a 94 Accord sedan engine F22B2, come on do not accelerate the phenomenon in a moving way, then slowly turn off, and then not start.
        Troubleshooting: After the timing belt, fuel pump, spark plugs and replace one fault persists. Later, for a computer and an engine throttle assembly, fault or not excluded.
         This car to conduct a comprehensive inspection system fuel pressure is 280kPa (without vacuum), the ignition timing is correct. Ignition coil, primary resistance of 0.6Ω, secondary to 145kΩ; remove the test well water temperature sensor, cylinder pressure car key programmer normal. Parameters on the above parameters and maintenance manual is basically the same. All the components are all mounted on the car for starting the test, beginning when starting the car chug a few times, has a car meant. Remove the four spark plugs again and found that they were all drowned gasoline. They do with the wind dry flashover test, sparks normal. This car has oil, electric, gas, why not him? The car is equipped with three-way catalytic converter, is not because it is damage caused by this failure? So this device removed. Remove the four spark plug temporarily installed on the car, then put four injector electrode removed. Handlebar accelerator pedal in the end, the throttle fully open, start the engine several times, replace the spark plugs, fuel injectors electrodes. Re-start, the car smoothly, operating normally. Finally, for a three-way catalytic converter and put down for the computer, fuel pump, a throttle mounted on the carriage. After starting the car in normal operation, troubleshooting.
       Maintenance Summary: The car does not fire because the three-way catalytic converter is usually BMW ICOM used because of poor fuel quality and not pay attention to the car wash when the water is injected into the three-way catalytic converter, causing it to prematurely damage the exhaust poor. Before starting the engine, remove the spark plug all, four electrodes removed injectors, the throttle fully open, the purpose is to make the cylinder unburned gasoline previously discharged as soon as possible, so that the spark plugs will not continue to be drowned.
http://www.obdnews.com/index.php/bmw-diagnostic-tool/

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