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More drama with the ’01 Maxima (5th Gen, 3.0L VQ30DE, 195,000 miles). The dreaded P0505 IAVC code and idle issues.
The other night, I tried starting the car and the car would not start. I would classify it as a “crank, start, and immediately die” condition. I took the car to a local shop to learn that no codes were thrown. They cleaned the MAF sensor, adjusted the idle, and it temporarily solved the problem.
After driving it a few days, the problem came back. On top of not idling, while holding my foot on the accelerator to keep the car going, I heard a light “pop” under the dash and smelled a burning electrical smell (it went away… have not seen any new ill effects).
The local shop advised me to take it to the dealer. The dealer informed me that the IACV was bad, which probably meant the ECU is bad, too (but there is no way to know the ECU is bad until they put a new IACV on it). The tech said this is a very common problem and that he’s never seen an instance where only replacing the IACV completely solved the problem (meaning it left the ECU intact), but has heard of this happening. Does anyone have any experience with this repair and can offer advice on a course of action?
IACV replacement – $500, ECU replacement/program – $900
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