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1996 pontiac sunfire cranks but wont start Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Engine Troubleshooting yukon45 New User Jun 1, 2010, 1:26 PM Post #1 of 3 (2596 views) 1996 pontiac sunfire cranks but wont start Sign In 1996 pontiac sunfire will not start it has 2.2 ltr engine. The problem started when going down hiway with cruise control on, disengaged crusie and car died. Open timimng cover and found chain tensioner destroyed and timiming marks would not line up, thought possibly it had jumped timing. replaced timing chain and gears and when I try to start it, cranks and backfires thru intake but will not start.. Please any ideas or help would be greatly appreciated..thanks for your time nickwarner Veteran / Moderator Jun 1, 2010, 2:02 PM Post #2 of 3 (2592 views) Re: 1996 pontiac sunfire cranks but wont start Sign In I don't think you have the marks lined up right, and your valve timing is off because of it. I'm not sure if this is an interference motor or not, but perhaps someone else here knows. If so, there may be some valve damage. Verify your timing marks at TDC of #1 and if ok, go a compression test. Sidom Veteran / Moderator Jun 1, 2010, 8:55 PM Post #3 of 3 (2590 views) Re: 1996 pontiac sunfire cranks but wont start Sign In Nick is correct, it is an interferance engine. You what to see what your compression is.......   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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