Smoke smells comes when heater is on nissan sentra 2001. Is it safe to drive 150-200 miles by switch off ac?
The speed control of your fan has resisters that are in the venting system to blow air on them to keep them cool. If they overheat and or burn you will lose your low and medium speeds of the fan. If you run the fan at full see if the smell goes away. Your engine could be burning oil on the outside of the engine block, make sure that the weatherstrip where your hood meets the fresh air intake grill is sealing tight.
SOURCE: Nissan Sentra 2000 model. Thick White smoke coming out of exhaust
White smoke is caused by coolant or water coming out the tail pipe. There is a chance that the white smoke was caused by water splashing up from a puddle onto the exhaust pipe. Keep an eye on the coolant level in the radiator in any event.
Let us know how it goes or if the problem persists. We're looking forward to how things go for you.
SOURCE: 1996 nissan sentra ac/heater switch works only on high. need help
I had the same prblem. There is a relay next to the heater blower that needs to be replaced.
SOURCE: Nissan Sentra 2001 gxe with code p0420
You will need a new catalytic convertor assembly. Yours is below treshold efficiency in other words its "no good".If you have it replaced, ask the garage/dealer to give you the old one back. Its worth some cash if its full. It doesn't matter thet it failed. They are going after the mesh inside of it and that is worth some $$$$. May not be much , but better than nothing.
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