Vehicle switching off while driving

Tiny
RISH7867
  • MEMBER
  • 1988 OPEL KADETT
  • 1.3L
  • 4 CYL
  • 2WD
  • MANUAL
  • 20,000 MILES
I have a cub 1300 just repaired and serviced carburetor and changed fuel pump. When driving after a while it switches of like there's no fuel but starts after awhile. Any advise on what could be the problem?
Friday, May 17th, 2019 AT 1:05 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,407 POSTS
Welcome to 2CarPros.

This vehicle is not offered in the US, so my technical information is limited. However, what you have described sounds like a bad crankshaft position sensor. When it stalls and won't start, you need to check for spark to the plugs. If there is none, then suspect the sensor.

Now, and I apologize for this in advance, without having this vehicle in my manuals, I'm not 100% sure this vehicle has one, but most cars do.

Here are links you may find helpful. First, there is a link that discusses what a crank sensor does, one that describes symptoms, and one that shows in general how one is replaced. The last link I provided shows how to check for ignition spark to the plugs which I feel may be missing when the car shuts off and won't restart.

Take a look through these and let me know if they help.

https://www.2carpros.com/articles/how-a-crank-shaft-angle-sensor-works

https://www.2carpros.com/articles/symptoms-of-a-bad-crankshaft-sensor

https://www.2carpros.com/articles/crankshaft-angle-sensor-replacement

____________________________________

How to check for spark:

https://www.2carpros.com/articles/how-to-test-an-ignition-system

___________________________________

Here are some general links you may find helpful when testing for spark.

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

https://www.2carpros.com/articles/how-to-use-a-voltmeter

https://www.2carpros.com/articles/how-to-check-wiring

__________________________________

Let me know if this helps or if you have other questions.

Take care,
Joe
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Friday, May 17th, 2019 AT 8:55 PM

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