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Answer by Zaid for Why would you need a crank sensor if you had a cam sensor?
Both are needed to know which stroke each piston is in Variable valve timing or not, on four-stroke engines the camshaft spins at half the speed of the crankshaft. This means that for any given...
View ArticleAnswer by vini_i for Why would you need a crank sensor if you had a cam sensor?
The biggest reason is the need for misfire detection. The best way to tell if the crank shaft is speeding up and slowing down more than it is supposed to is to directly measure its speed. This is how...
View ArticleAnswer by Jim W for Why would you need a crank sensor if you had a cam sensor?
I know from working on Mazdas that several reasons are: the signal from one can be used to verify the signal from the other so an engine code can be thrown if the belt slips a tooth. For example, 96-97...
View ArticleAnswer by Woody J Hiatt for Why would you need a crank sensor if you had a...
The sensors feed the computer with which numerous other sensor inputs control cylinder firing and fuel to air mixes. A loss of signal or an incorrect one from a cam/crank sensor causes immediate engine...
View ArticleAnswer by CharlieRB for Why would you need a crank sensor if you had a cam...
These two sensors are not always used for the same purpose. Obviously, reading each cam and crank shaft position gives more granular information to the computer for tuning of the engine. According to...
View ArticleAnswer by Steve Matthews for Why would you need a crank sensor if you had a...
The clue is probably in the manufacturer you picked. Honda is famous for V-TEC which is a method whereby the camshaft advance profile can be changed depending on engine RPM. I assume this would mean a...
View ArticleWhy would you need a crank sensor if you had a cam sensor?
The only thing I can come up with is timing belt / chain flex which can cause a very small amount of timing difference. I guess they could detect if the belt was put on wrong, skipped a tooth,...
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