Crank but no start

2007 PONTIAC G5
150,000 MILES • 2.2L • 4 CYL • FWD • AUTOMATIC
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ANDREA LEIGH HAYS-ISHAM
  • MEMBER
  • 1 POST
How do I tell if my vehicle needs a timing chain?
Jul 29, 2017 at 5:59 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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HMAC300
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 48,601 POSTS
check compression with a gauge. if compression is low on all cylinders then it may be a timing chain, but as you have an interference engine you may have bent some valves as well. See link.
https://www.2carpros.com/articles/how-to-test-engine-compression
Jul 29, 2017 at 6:56 AM
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