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2004 Infiniti I35 Base 4dr Sedan Luxury

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Front-Wheel Drive, 4 Door Sedan, Mid-Size
19 mpg city / 26 mpg hwy

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April 18, 2009, 1:13 pm

Shayne S

Question: Engine Service Light constantly on

Had a midterm tuneup on my 2002 I35. Soon after, the heating/cooling vents went haywire. any vibration from the car will emit a loud blowing noise (in econ & air con). the only way for it to go away is to wait a while or crank up the speed of the fan. It seems like somethings loose inside of the dash. Does this have anything to do with service engine light on all the time. I initially thought it was due to a "not"secured gas cap, but I made sure that it was tight everytime I filled up. Help!

April 22, 2009, 4:22 pm

Chuck E

It could. The service engine light sensor is one of the most common annoyances in many cars, including luxury branded ones. Mine goes on/off intermittently. Your Infiniti owners manual will describe specifics -- check it out. Mine is a minor vacuum leak somewhere -- minor annoyance I am not in a panic over. I have regular maintanence done.

AutoZone will do a free diagnostic to determine the cause of the service engine light. I would definitely take it in to a qualified, reputable Infiniti repair shop and have the vent discharge issue cleared up. They can of course tell you what the engine warning is about and how urgent it is.

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