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4 flashes means knock sensor fault Posted by RS [Email] (#15) [Profile/Gallery] (more from RS) on Wed, 5 Dec 2001 10:43:41 In Reply to: 87 900 S Check Engine Light Flashing, RF, Wed, 5 Dec 2001 09:23:04 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Leonard Pinth Garnell presents Bad Knock Sensor.
It might be the sensor connector or the wiring between the sensor and the controller. Sometimes the sensors go bad.
posted by 205.218.12...
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