What does 53 mean on a knock sensor?
53 = Knock control signal. Engine control computer (for knock control) malfunction at engine speed between 650 & 5,200 RPM. 55 = Knock Sensor signal, right bank (rear, near the firewall). No number 1 knock sensor signal to ECM for 2 crank revolutions with engine speed between 1,600 and 5,200 RPM.
What are the symptoms of a bad knock sensor?
Bad knock sensor symptoms 1 A failed knock sensor will register a trouble code and illuminate the Check Engine lamp (CEL), although some engines… 2 Misfire 3 Vibration, especially at highway speed 4 Thumping or knocking noise from the engine 5 Poor fuel economy and acceleration More
What are the knock sensors on a Camry?
For the ’92-’93 V6 Camry which has OBD I, the error codes related to knock sensors are listed below. 52 = Knock Sensor signal, left bank (front, nearest radiator). No number 2 knock sensor signal to ECM for 2 crank revolutions with engine speed between 1,600 and 5,200 RPM. 53 = Knock control signal.
What causes no number 1 knock sensor signal to ECM?
No number 1 knock sensor signal to ECM for 2 crank revolutions with engine speed between 1,600 and 5,200 RPM. 53 is caused by a fault in the ECU per the FSM. I’d interpret that to mean the ECU is bad; replace it.
Can a knock sensor on a Toyota be checked?
The ECU cannot be checked, so the only thing that can be done is to check sensors and wiring. If they check out OK, then replace the ECU. FYI: Toyota uses “resonance piezo” knock sensors that put out a 7.6 kHz signal at all times, whether the engine’s knocking or not.
What are the symptoms of a bad distributor rotor and cap?
Symptoms of a Bad or Failing Distributor Rotor and Cap Common signs include engine misfires, car not starting, the Check Engine Light coming on, and excessive or unusual engine noises. by Valerie Johnston on January 07, 2016 Vehicle Engine Mechanical Inspection Cost