Exhaust pipes often make a ting-ing sound after you shut-off the vehicle. It's just the metal contracting and adjusting wherever the pipes are fitting together.
Since I've had my Tahoe the last 4yrs I wonder how it never overheated but yet my reservoir was always dry. My leak must be very small. I've also heard the dreading knocking sound (only under load) from time to time but I have to admit that it's not as bad since I replaced my exhaust and did a...
If you've replaced all this stuff and it's still running bad, then I doubt the O2 sensors are the problem. I've heard of people chasing the same issues and it turns out there was a crack in one of the heads that was causing everything.
Had the same issue, especially in the mornings. Turns out there was corrosion under my distributor cap. I had done a tune-up about 6 months prior and used an aftermarket cap that had brass points in it. This ended fouling out my plugs and destroying my new catalytic converters. Needless to say...
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