2004 Hyundai Santa Fe Q&A

2004 Hyundai Santa Fe Question: car vibrates & revs weird since the crank shaft sensor & timing belt changed

since my crank shaft and timing belt have been changed, the car vibrates and the rev is off. everything seems to be lined up correctly. Please help -
Answer 1
Balance shaft not in time!!! Has to be set in a certain position then aligned to be in time with engine. May require special tools. -