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  • Passat B5 car cold car without idle speed

    After receiving the vehicle, the trouble code is: 01165 the throttle control unit J338 has not reached the adjustment limit and the 17967 throttle control component J338 has basically set fault. Unplug the throttle body plug and turn on the ignition switch. There are 3 sensor voltages such as 5V, 5.1V and 4.9V. The idle switch F60 has a 10.49V voltage and the junction voltage is 0V. Install the plug, pull the throttle gate G88 has the signal voltage of 0.6V from 4.42V to full open, the G69 signa...

  • Honda accord F20A3 engine noise

    Malfunction: a Honda accord (equipped with F20A3 engine) went out in a long distance, and the engine was too hot to drive. The repair shop near it was overhauled. After the repair, there was a loud noise and slight jitter. After the vehicle was checked, it was found that the engine started cold start normally, accelerated well, idling slightly jitter, and exhaust emission was within normal range. Road test, speed up to 70km/h above, there is "GA, GA" abnormal sound, the sound is very light, but ...

  • The Volvo S80 engine has been idle at a high speed

    A Volvo S80 with a mileage of over 340 thousand km, an engine of B5254T2 and a transmission of AW50/51. Customers reflected that after the vehicle was lent, the engine kept high idle speed after coming back. Therefore, Chen diagnosis: when the vehicle arrives at the store, the car is tested, the engine keeps high idle speed, keeps at 1400r/min or so, and the phenomenon is verified. The connection diagnostics VIDA reads the fault code and displays the throttle valve malfunction. There are several...

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