I've noticed a similar issue in both of my vibes, 1.8 and 2.4. It only happens at those low rpms when you attempt to accelerate. I think the extra stress between the engine and torque converter at those low rpms causes some extra shaking and the heat shields are rattling.

Hello! We've had a low, rough idle for quite awhile on this car, now at 120k miles. Did all normal tuneup items, plugs, air filter, cleaned throttle body, idle relearn, new MAF sensor, no change in rough idle. Replaced throttle body and pcv valve (pcv valve was pretty gunked up). New throttle body i...

I got the diagrams from alldata.com and it saved my bacon I started tracing the entire power path backwards from the radio to the battery When I got to the AM1 fuse, I realized there was no fuse there! :oops: When I had checked all the fuses under the dash, I had gotten the image turned backwards in...

Just measured good resistance between alternator and fusebox, so cabling there is good. Also, I have 12v at the alternator.
Also have power at the ignition switch.

Checked 3 relays behind blower controls, all good

Yes, need someone with wiring diagram who can tell me what to test with my multimeter to trace the problem.

Replaced ignition switch, no change

Replaced alternator fuse, now I have auto door locks! Woohoo! But all other problems remain, what next?

Removed 120a alternator/main fuse (PITA), and found the alternator section blown. Will order new part and see if this fixes everything

Forgot to undo my battery and arced across the power wire on alternator with a screwdriver. Now I have no power door locks, no windows, no accessories power, no blower motor, no ignition. I have dash lights, headlights, dome lights, that's it. Have checked all fuses in under hood fuse box and under ...