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My '00 Tahoe 4WD has been making some pretty annoying creaking noises that seem to be coming from the front drivers side area when turning. It also has kind of a clunk when starting and stopping. I checked the main drive shaft and it seem those u-joints are fine. The front drive shaft...

Problem Solved Hello. Just wanted to let everyone know that the problem is fixed. I took a shot and guessed EGR valve. Turned out to be a good guess. Hasn't had the surging idle issue in about a week. I was hesitant about trying the EGR valve since I figured it would give a code it it was...

Still hoping for some help on this. Probably going to take it to the dealer for a diagnostic check tomorrow if I don't get some kind of advice. I understand if nobody's had this problem before, but if you have any ideas shoot 'em my way. Thanks.

I thought it might be the throttle body, too, but then today it did another weird thing. After driving for about 25 min, I put it it park and the idle was just erratic. It immediately jumped to 1100 or so, as it's been doing, then dropped to 500, then back up to about 800, and continued this for...

Hey guys. Hoping I can get some ideas for solution to this problem I'm having. (2000 4WD Tahoe, 5.3L) Here goes: When I start it for the first time of the day, everything is fine. Idle is normal, no unusual noises or anything like that. Then, it will drive fine, usually a 20-25 minute drive to...