I just had a oil and filter change 3 days ago now the check engine soon light came on and will not go out. Got it hooked up to a computer at autozone and it said a small vacuum leak somewhere.How much will it cost?
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2003 Nissan Frontier Question: how much it would cost to check the hoses on the vehicle
Answer #1patrick mannion from Greg Solow's Engine Room, August 02, 2010, 23:38Master
The best way to trace a vacuum leak is using a machine that puts an inert smoke into the intake manifold and then you see where the smoke is coming out if indeed it is a vacuum leak. A professional grade scan tool has a lot of other information captured in freeze frame showing fuel trim and Oxygen sensor information. A repair shop will charge an hour to an hour and a half labor time to start initial diagnosis which may fix the problem sooner and charge you less or need more time to do further work. It could be a leak or a defective air flow meter or O2 sensor.
Answer #2Visitor, January 29, 2011, 14:04
Common problem here is that when they check the air filter they do not get the tube on the resonator back right and this causes a leak that will set of the CEL. I fixed mine by matching a peice of PVC tube and putting it into the tube so it will not crush. Problem solved.