Technical Motor dont start sometimes dynamic 1.6

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Technical Motor dont start sometimes dynamic 1.6

galhana

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Jul 4, 2008
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Hello!
I have a problem with my stilo dynamic 1.6.Sometimes the motor just wont start.The valve was cleaned 1000Km ago so i supose that is not the problem...I turn the key 1,2,3...10 times and nothing.Just the starter but not the motor.Suddenly the motor starts and it looks that nothing has happened...I drive all day and the next days and the car is O.K.
Then 7 or 8 days later the problem is there again.
 
If you're not getting any security/ immobiliser warnings then I'd suspect the rpm sensor or it's connector. Make sure the sensor hasn't been knocked and is close enough to detect the serrations on the crank pulley

crankshaft sensor.JPG
If the ecu can't find out the crankshaft angle from the rpm sensor then it won't let the engine start
 
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Hello!

It seems that the problem isn't that.
Do you have any kind of software for diagnost this especific model?
Can i make a homemade cable to connect to my car?

Many thanks
 
I had simliar problems a couple of years back. It was a combination of two things: Weak battery and a corroded crankshaft sensor. New battery and a brushed sensor. Tamtaaaa. Gone 2 years since.
 
It seems that the problem isn't that.
Tell us more. What have you done to check out the crank sensor and make sure that isn't your problem?

Do you have any kind of software for diagnost this especific model?
Can i make a homemade cable to connect to my car?
It will be quicker to buy a diagnostic interface and there are many programs that will easily work with your model Stilo
 
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