Auto repair experience


Chevrolet Captiva jerks when accelerating

The owner of this Chevrolet told us that his car jerks when accelerating hard.

For diagnostics, we use an oscilloscope, we look at the primary circuit of both coils. As you can see, the first coil has no damped oscillations and almost no spark burning.

check ignition coil

This ignition coil is defective and needs to be replaced.