1993 Lexus Ls 400 "bad knock sensor cause acceleration" Questions

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Knock sensor wires checked good. I HAD THE SAME PROBLEM WITH MY CAR. 93 LS 400. THAT WOULD BE YOUR FUEL FILTER OR THE FUEL PUMP GOING BAD. TRY CHANGING THE FILTER FIRST. THE DEALER TRIED TO CHARGE ME

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Question about Lexus LS 400

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...knock sensor. Can a worn timing belt cause the problem. Please give the possible reasons. Thank you. Is this a manual trans in this truck, if so, try shifting down a gear. But yes a timing belt could ...

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Question about Lexus LS 400

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bad gas, the wrong type of gas or the knock sensor has died or is disconnected. JOAT two things come to mind. 1 It has been run out of oil and ran the engine to long with out enough oil and is causing

...and low fuel pressure. Could it be the knock sensor causing this trouble? Not the knock sensor A mechanically bound fuel pump, could though,thus low fuel pressure A bad fuel pressure sensor ...

...fuel filter,fuel pump failing.faulty tps sensor.fuel injectors need cleaning or could have bad fuel injector. Sometimes, A bad knock sensor will cause an engine hesitation when pressing the gas

...bad knock sensor will not set a light unless it is open or disconnected. sounds like what happend to my 92 it was the crank sensor I had this problem. We changed the sparkplugs and fuel filter, and ...

Question about Mazda Cars & Trucks

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...could be your problem. EGR valve may be stuck closed or have carbon clogged ports causing spark knock . A bad Knock Sensor can do this. Overheating or too lean of a fuel mixture can cause knocking

Question about Lexus LS 400

2 Answers

...bad knock sensor? No it isnt a knock sensor the knock sensor job is to detect a knock noise and ****** timing. The knock that it is looking for is from octane or fuel or pinging that creates N0X s. A ...

...knock, regardless of where it originated from, will start to make timing and fuel adjustments which may cause it to hesitate or "sputter". You can take off the drive belt and start the engine. This ...

...just random occurance, feel it sometimes while idling. Sounds like your spark plugs need replaced. ( long shot answer) A bad knock sensor will cause an engine hesitation when pressing the gas

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