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Toyota Original Denso Knock Sensor 89615-12040 ,OEM Parts For MCV10
Year Make Model Trim Engine 1996 Toyota Tacoma All All 1996 Toyota Tacoma All All 1995 Lexus ES300 All All 1995 Toyota Avalon All All 1995 Toyota Camry All All 1995 Toyota Previa All All 1995 Toyota T100 All All 1995 Toyota Tacoma All All 1995 Toyota Tacoma All All 1995 Toyota Tacoma All All 1994 Lexus ES300 All All 1994 Toyota Camry All All 1994 Toyota Previa All All 1993 Toyota Previa All All 1992 Toyota Previa All All
How to intall
The knock sensor is a sonic sensor that monitors shockwaves in the engine. It senses when the engine pings. That is, pre-ignition when the timing is too far advanced. The knock sensor tells the computer that the engine is pinging and the computer retards the timing. These sensors fail over time and when they do the computer goes into limp mode. This a pre-programmed timing map where the timing will not advance far enough to cause pinging. So, the engine performance will be down because the timing will be retarded and fuel economy will suffer. But, the good news is that the engine will not sustain damage from having the timing too far advanced. Too much timing will cause pinging and this will cause the rod bearings to be damaged and could cause a spun rod bearing. So, it is just a matter of purchasing a knock sensor and replacing the old one. Disconnect the battery while you do the replacement and your code should clear and you should be back in business.
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