Quote:
Originally Posted by humfrz
Hello Jared.FR-S and welcome to ...... The Forum ....... 
On your next cold start, I suggest you open the hood, lean over the engine, have someone else start the car and see (hear) if you can isolate where the squeal is coming from.
Since your car has an AT, my guess would be a lose serpentine belt or a bearing in the idler pulley or A/C compressor or the alternator.
The axle back muffler shouldn't require the engine to be "tuned" nor should it cause a O2 code to be thrown.
humfrz |
Ok I’ll do that thanks!
I Just need to figure out this o2 sensor issue.
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