4.0

definitely annoying
Typical Repair Cost:
No data
Average Mileage:
101,000 miles
Total Complaints:
1 complaints

Most common solutions:

  1. not sure (1 reports)
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problem #1

Oct 202017

Malibu 1LT 2.4L

  • Automatic transmission
  • 101,000 miles

Came back from a trip to Philadelphia and my car started smelling like sulfur/rotten eggs on hard accelerations. Never did figure out what is wrong with it. I had the exhaust system replaced thinking it was that since I found a visible leak. That didn't solve it. I replaced the MAF and MAP sensors, I replaced the spark plugs and still no luck. It seems to get better and worse randomly. Going on MAP sensor limp mode, the smell gets really bad so not sure if that's any relation to the actual problem or not.

It's not bad but if you have your windows down, you can certainly smell it for a brief few seconds. Not the most pleasant smell in the world but not really willing to take it to the dealership for a diagnostic since there is no check engine light, I have no lack of power, fuel economy is spot on, so it's just one of those things you have to either live with or be willing to chase a squirrel around in the dark.

- tbreece, Manistee, US