Having problems with your Cars & Trucks ?
2002 pontiac montana stalling problems. at times it runs great others it falls flat on its face. when its bad it has rough idle if it stays running at all while driving tach drops to zero then flutters around while engine is popping. but when it runs good it runs great. very strange problem please help it has 170,000 miles and has had the intake gaskets replaced
Sounds like cam sensor bad
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