Engine surges when driving

Asked by Oct 12, 2017 at 01:30 PM

Question type: Maintenance & Repair

I have a 2003 Subaru Baja when
driving surges engine speeds up
slows down causing jerky ride.
What could be the cause?

3 Answers

55

Have your timing belt looked at. Could be because of improper or slipping timing belt.

39,685

Try a tune up, clean some filters, computer likely can't determine proper air-fuel mix.

1 people found this helpful.
134,605

Like Ken says - tune it up. I would also use a good fuel system cleaner like Techron.

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