On my 2001 Tahoe, 5.3, I got a "Service Engine" light and an error code yesterday: "PO327 Knock Sensor 1 Circuit Low Input".
I reset it and it came back after 5 miles.
Could this be about poor fuel (used 87 octane CITGO) or more likely a bad sensor?
I've tried to mix in half a tank of...
How is the ride quality of the Z71 compared to the standards soft ride suspension and tires?
Is it much harsher for everyday and highway use?
Are the tires noisy?
Does the Z71 suspension help with body roll?
As a secondary thought, are there more highway oriented tires available in the 18s?
My 2001 Tahoe smells like burning brush lately when I push it hard up hills. It seems like it's near the headpipes or tranny area. I checked for the obvious and there are no mouse or squirrel nests on the engine or pipes, and it's only when pushed hard anyways.
The tranny fluid was down a quart...
When the air conditioner or defroster is engaged in my 2001 (not 2002) Tahoe there is a high pitch squeeling noise. It immediately stops when I go to heat or push the AC button off.
The dealer wants to replace the compressor, but here it is 35 degrees out and I can wait as it's quite a bit of...
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