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My personal TCS test-drive drill
Posted by David Ingram (more from David Ingram) on Tue, 15 Nov 2005 07:10:07
In Reply to: Considering a 1993 9k Aero.... should I pass it up?, Chadwick [Profile/Gallery]
, Mon, 14 Nov 2005 18:56:12
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Calibration of the TCS is not necessary as long as the car drives well and no warning lights come on.
When you test drive it, you need to expose the car to several floorings followed immediately by moderate cruise throttle. Like a full throttle for highway entry, achieving cruising speed, returning back below half throttle and feathering up to cruising speed. You are trying to see if the Throttle Body trips up the TCS brain. If limp home results, that's a sign the TB may be bad.
Also try driving it like an idiot would (use your imagination, I'm sure you've ridden with a few). We all know someone whose throttle instincts just made us scratch our head, and rub our necks. Don't hurt the car but be inexplicable.
If no matter how stupid you get, limp home never occurs, you can probably rest relatively easy on the TB front.
Also look at the idle. If it's steady, with some minor ups and downs allowed, the TB is doing its job at idle.
If the safety valve is bad, in my experience the cars will have a hard time even starting and idling. That's a cheap classic fix by TCS standards.
Of course, there are a host of other perversions the TCS system can perform, but for a general test drive those are the things I would look for.
posted by 155.212.49...
Posts in this Thread:
- Considering a 1993 9k Aero.... should I pass it up?, Chadwick , Mon, 14 Nov 2005 18:56:12
- Well, any car you get is going to break..., JustinHiFi , Tue, 15 Nov 2005 17:54:17
- My only question????, Bill U, Tue, 15 Nov 2005 09:26:57
- Re: Considering a 1993 9k Aero.... should I pass it up?, PGAero , Tue, 15 Nov 2005 08:53:37
- My personal TCS test-drive drill, David Ingram, Tue, 15 Nov 2005 07:10:07 <-- Viewing This Message
- Well, if a dealer car with repaint...., David Ingram, Tue, 15 Nov 2005 06:53:37
- Re: Considering a 1993 9k Aero.... should I pass it up?, Chadwick , Mon, 14 Nov 2005 19:47:33
- Sounds pretty good..., Rod , Mon, 14 Nov 2005 19:35:58
- Re: Considering a 1993 9k Aero.... should I pass it up?, SMOKINSPG, Mon, 14 Nov 2005 19:23:54
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