Is there a fault code 52 on Toyota knock sensor?
So after knock sensor replacement and manifold repair there is still a check engine light, fault code 52, and low power on acceleration? If that is the case, then like @ok4450 suggested perhaps a second opinion to the cause of the “knock” is in order.
Why does my Toyota Chassie have a knock sensor?
We have a 1990 Toyota RV but it is on the typcial Toyota Pickup chassie. We took it in to the Toyota dealer because we had a check engine light on and we had a significant loss of power going up hills. We were told that it was a knock sensor (computer error code 52) and that it needed to be replaced.
How much does it cost to replace a knock sensor?
We were told that it was a knock sensor (computer error code 52) and that it needed to be replaced. Along with that work we were informed of at least 5 other issues including an exhaust manifold leak. So we agreed to have both the knock sensor and the exhaust manifold replaced for $2,091.
Why is there no power on the knock sensor?
“It appears that the knock sensor operation is at least partly the cause for the lack of power and check engine light you’re experiencing. However we also noted a broken exhaust manifold which can cause both engine noise and lack of power.
How can you tell if a Toyota cyinder sensor is bad?
Tapping on the cyinder head with a hammer while the engine is idling could reveal if the sensor circuit is good or not as the engine should stumble a bit whenever the head is tapped. (Not meaning whacked.) Due to so many unknowns it’s difficult to put a finger on this and made even more so by the fact that wrist pin problems are rare.
What’s the fault code on a Toyota Hilux?
Fault code 14 is the only code in engine diagnosis. Two mechanics and even toyota have had a look at it. Toyota put a new fuel pumpand sensors on but still same problem. Crank angle sensor and ecu have been changed from other vehicles with no faults. My mates scan tool says when fault is erased there is no timing and engine knocks.
How much does it cost to repair p0325 Toyota knock sensor?
Most auto repairs shops charge between $75 and $150 per hour. When is the P0325 TOYOTA code detected? The Knock Sensor (KS) senses engine knocking (also known as detonation or pinging) using a piezoelectric element. The sensor is attached to the cylinder block, cylinder head or intake manifold.
https://www.youtube.com/watch?v=BY7yFsMk76U
What happens when the knock sensor fails on a Toyota 4Runner?
As sound travels in waves, the output produced by the knock sensor is an AC signal. If and when the knock sensor fails, not only does it trigger the 52 code and turn on the check engine light, your 4Runner will suffer bad gas mileage, lower power, and hesitation during acceleration.
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 does the OBD code 52 mean on a Toyota 4Runner?
This article applies to the Toyota 4Runner (1984-1995). The OBD code of 52 can mean that your 4Runner’s knock sensor has failed. Or, maybe that the knock sensor is still good, but its pigtail or plug to the ECU has a short or broken connection.
Where is the knock sensor on a car?
On a modern engine, the computer receives information from several sensors, but many engines still feature a knock sensor, usually mounted on the intake manifold or cylinder head.