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Check engine light on a 1991 dodge dynasty comes on when you hit a bump shut engine off and restart light stays off until you hit another bump?
Wiki User
∙ 17y ago
It's probably a loose connection somewhere and the only way you'll find it is to borrow, rent or buy a code scanner, take the vehicle for a ride, hit a bump and with the engine still running, check the codes. If you can't do it that way, leave the engine in diagnostic mode THEN take it for a ride and hit the bump. Either way, you need to isolate the problem to find out if it's a component that's failing internally when you hit the bump or if it's just a wire or connector.
Wiki User
∙ 17y ago
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