Q: My car won't stay on
Everytime i try to start my buick century it wont stay completely on and sometimes sound like its backfiring but i just replaced the spark plugs and wires also put in there right then i noticed one of my vacuum wires on top dont want to stay in its place
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Hi there. Assuming the backfiring was taking place prior to replacing the spark plugs and spark plug wires. This would lead me to believe there is a valve train related issue. Possibly, a broken intake valve spring. This would account for the vacuum line that doesn’t want to stay in place. A compression test and cylinder leakage test would prove this fault. There any many possibilities for an engine backfiring. I recommend having your vehicle’s stalling problem diagnosed and repaired by a certified technician, such as one from YourMechanic.
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