Low tire pressure light

ProfessorDave · 11-07-2010, 06:19 PM

The worst problems in life are almost always solved by driving your Z for a few miles!

EazyD · 11-07-2010, 07:24 PM

Quote:

Originally Posted by ProfessorDave

The worst problems in life are almost always solved by driving your Z for a few miles!

That's profound! Can't wait

kenchan · 11-09-2010, 11:52 AM

yep nitrogen is over rated...they work better than regular air for tracked cars as temperatures can go up quite a bit, but for street cars, just use air. keep adding about 2psi extra until you're at winter temp.

ChrisSlicks · 11-09-2010, 01:01 PM

As previously indicated you have to drive a short distance to reset the light, usually less than a mile. The light will come on at 29 psi from experience.

ProfessorDave · 11-09-2010, 01:58 PM

...and at about 39 or 40 if overinflated

kenchan · 11-09-2010, 02:02 PM

Quote:

Originally Posted by ProfessorDave

...and at about 39 or 40 if overinflated

really? cause even 35psi cold can easily go over 40psi in summer temps...

ChrisSlicks · 11-09-2010, 03:01 PM

Quote:

Originally Posted by kenchan

really? cause even 35psi cold can easily go over 40psi in summer temps...

Yes around 40 will trigger for over inflation.

You set the 35 on cold tires not the coldest night

Should only go up 2 or 3 psi on normal driving. For track you have to start below 30 in order to stay below 40.

kenchan · 11-09-2010, 03:09 PM

Quote:

Originally Posted by ChrisSlicks

Yes around 40 will trigger for over inflation.

You set the 35 on cold tires not the coldest night

Should only go up 2 or 3 psi on normal driving. For track you have to start below 30 in order to stay below 40.

that's werd. im at 39psi at 50F (garage) where it would drop about 1.3psi when i pull the car out in 35-40F. while driving moderately quick, i dont get the light. psi is over 40.

ChrisSlicks · 11-09-2010, 03:13 PM

Quote:

Originally Posted by kenchan

that's werd. im at 39psi at 50F (garage) where it would drop about 1.3psi when i pull the car out in 35-40F. while driving moderately quick, i dont get the light. psi is over 40.

How do you know it's over 40? It's almost impossible to generate tire heat in 35-40 degree weather.

ProfessorDave · 11-09-2010, 04:12 PM

Quote:

Originally Posted by kenchan

really? cause even 35psi cold can easily go over 40psi in summer temps...

Yeah, it's true. Just happened the other day coming back from the dealership. All 4 tires were at 40 psi after a brief time on the road.

My Mazda will go off at 40 too, but the rec. pressure on it is 32 all around.

kenchan · 11-10-2010, 11:51 AM

Quote:

Originally Posted by ProfessorDave

Yeah, it's true. Just happened the other day coming back from the dealership. All 4 tires were at 40 psi after a brief time on the road.

My Mazda will go off at 40 too, but the rec. pressure on it is 32 all around.

Huh, looks like someone pulled out my tpms back light bulb.

11-07-2010, 06:19 PM	#1 (permalink)
ProfessorDave A True Z Fanatic Join Date: Jul 2010 Location: Scranton, PA Posts: 1,580 Drives: In the fairway Rep Power: 19	The worst problems in life are almost always solved by driving your Z for a few miles! __________________ Rain, snow, sleet, hail: 2009 Mazda 3 sGT HB Everything else: 2009 370z, PW Touring 6MT

11-09-2010, 01:01 PM	#4 (permalink)
ChrisSlicks A True Z Fanatic Join Date: Mar 2009 Location: North East Posts: 6,203 Drives: 09 370Z Sport M6 Rep Power: 654	As previously indicated you have to drive a short distance to reset the light, usually less than a mile. The light will come on at 29 psi from experience. __________________ Hotchkis ARB \| Stillen CAI \| Art Pipes \| Berk CBE \| Stillen AP Racing Brakes \| AE Performance Oil Cooler \| BC Racing ER Coilovers \| Doran Control Arms

11-09-2010, 01:58 PM	#5 (permalink)
ProfessorDave A True Z Fanatic Join Date: Jul 2010 Location: Scranton, PA Posts: 1,580 Drives: In the fairway Rep Power: 19	...and at about 39 or 40 if overinflated __________________ Rain, snow, sleet, hail: 2009 Mazda 3 sGT HB Everything else: 2009 370z, PW Touring 6MT

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11-09-2010, 11:52 AM	#3 (permalink)
kenchan A True Z Fanatic Join Date: Aug 2009 Location: N/A Posts: 76,801 Drives: N/A Rep Power: 141521	yep nitrogen is over rated...they work better than regular air for tracked cars as temperatures can go up quite a bit, but for street cars, just use air. keep adding about 2psi extra until you're at winter temp.