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#130487 - 02/23/06 11:59 PM tire pressure and "perf. shift"
02GPGT Offline
Member 		Registered: 01/18/06
Posts: 60
Loc: Oregon, OH
I was just wondering whether or not GP's had tire pressure monitors or not. I know that Grand Am GT's have the little low tire pressure light and i never saw one on my car... just thought the Prix's should have them if the GA's do?! Also, i was sittin in a drive through today and it was real sunny outside and i noticed that on my instrument cluster next to the RPM there was a light that said "Perf Shift" What is that? i have never seen it before and i looked in the owners manual but it wasn't back there. Is it a GTP thing or what?
-02GT
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2002 Pontiac Grand Prix GT
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#130488 - 02/24/06 08:27 AM Re: tire pressure and "perf. shift"
AustinGTP Offline
Member 		Registered: 05/23/03
Posts: 8078
Loc: Austin, TX
I believe tire pressure monitors were available on the 97-98's, or just the 97's.

Perf shift was available on some year models, not sure exactly when they discontinued the button.
Your car is an 02, your PCM controls when and how much "perf shift" is activated.
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Bobby

Died 5/1/08, resurrected 5/15/08
ASCD SD hood, 17" Bullitts, Overkill PCM, 3.4" Pulley, NGK TR55IX, K&N 9" cone filter, JimmyC D/P, U-bend removed, Flowmaster 40 series, Hooker big bore tips with resonators, S/B brake lines, drilled/slot rotors, GMPP handling kit, KYB struts, F&R strut supports, HID's, LED's, 2.5" Air Dam, red GTP overlays on custom badges, white rear insert.
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#130489 - 02/24/06 09:18 AM Re: tire pressure and "perf. shift"
ordonez1307 Offline
Member 		Registered: 04/18/05
Posts: 8901
Loc: Bradenton, FL
I think the tire pressure thing was only in the 97's.
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Corey Smith
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#130490 - 02/24/06 10:34 AM Re: tire pressure and "perf. shift"
ifitwasnt4u Offline
Member 		Registered: 12/27/05
Posts: 2898
Loc: Phoenix, AZ
im not a fan of "idiot lights" you should be able to keep an eye on your tires, and i see the GP as a much better-more performance of the GA, so thats probably why the GA have them... for the driver that cant keep an eye on something as simple as the tires.... i jsut wish we has a oil preasure guage, and volt guage, and some others, i like to know EXACTLY what is going on under the hood before its too late, and not just have an "idiot light" if it gets to a certain point....
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-Mike H.
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#130491 - 02/24/06 12:05 PM Re: tire pressure and "perf. shift"
framos242 Offline
Member 		Registered: 07/15/04
Posts: 3141
Loc: Chicago, IL
Quote:
Originally posted by ifitwasnt4u:
im not a fan of "idiot lights"
Who is??? lol
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"The only difference between me and a madman is that I am NOT mad!" - Dali
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#130492 - 02/24/06 05:01 PM Re: tire pressure and "perf. shift"
WhiteGT Offline
Member 		Registered: 01/06/06
Posts: 83
Loc: Owensboro KY
My 97 has the low tire pressure light and the thing is pretty much worthless it won't set it off until the tire is MUCH lower than I would feel comfortable driving on it so it pretty much just gives stupid people a false sense of security.
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-Drew-
1997 White GT Coupe, CAI, Infinity speakers all around, Directed Audio 12's in the trunk, 17" AR Casinos
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#130493 - 02/24/06 10:50 PM Re: tire pressure and "perf. shift"
fallen angel Offline
Member 		Registered: 12/30/05
Posts: 115
Loc: kingston ny
eh, mine actually works.. it measured about a 5 pound difference in the passenger rear tire. Though i felt it a little before it went off.
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#130494 - 02/27/06 04:10 PM Re: tire pressure and "perf. shift"
Caesar Offline
Member 		Registered: 12/10/03
Posts: 354
Loc: Michigan
My wife's van has it...it's so sensitive that it will go off if any tire is 2 lbs low. Always seems to happen on long trips. lol
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