Touareg :: Missing Tire Pressures - Grey Dash
Dec 15, 2009
The temps drop enough this time of the year to necessitate adding air to the tires. Last week, got a low pressure warning, and pumped up all my tires to the desired PSI. On the road today, and decided to check to make sure they were all even. I noticed the right rear tire on the MFI icon was grey, and where the pressure is was a grey dash. Was driving for some time, and it never came back on. Then, when I exited and restarted, the right rear showed up, but now the left rear was gone. Then, after driving a few miles, all four showed up?? Never noticed this before. Could this be due to a low battery in the TPS, or some other weird gremlin.
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Okay, my newly delivered Treg came with Continentals, and are 225/55 R18s. The dealer had them all inflated to 45psi, however, the sticker in the door indicated that the fronts should be at 39psi and the rears at 45psi. Seems odd to me that the same size tire would have two different standard inflation levels, especially given that the car has the Air Suspension which would level out any unbalance in the ride height fron to rear that they may be trying to compensate for. What pressure are folks running front and rear?
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All of a sudden my tire pressure light is on saying low tire. But they are fine of course so I go to check what is up and the tire pressure selection is missing from the menu. Sitting still of course. Tried everything short of hooking up the vag tool but figured it could not make it reappear ??
2004 V8 with almost all options.
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08 ES 350 with 53k miles. Started getting a low-tire indication last winter and air pressures all around were ok. Drove from Ohio to Florida in Feb and low-tire light went off. This fall, the light came back on, again the pressures were ok so the sensor must be sensitive to temp. What corrective action is suggested ?
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I was driving doen the road and and all of a sudden I get a message to check the tires and the TPMS light was on. So I pulled over looked at the tires none looked flat. So I continued to a gas station to check the pressure. The pressures were fine, I had just installed my steel wheels and winter tires on Friday. What could have caused this and how do I reset it?
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My friend stopped into see me today cause he thinks I'm a VW guru. His LF tire was at 34 psi and the other 3 were at 44psi. Of course his low tire pressure light came on, but he told me he used to be able to see his tire pressure under the comfort portion of his computer display. He scrolled down to show me it wasn't there anymore. Where it went? He now knows why the light keeps coming on cause he has a leak. He should be able to monitor it I presume.
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How long it took to relearn the pressures? I pulled the ECU today to take some readings and reburn the chip. When I reset everything the tire pressure monitor went into learn mode. I have driven it around for 20 miles and the unit still has not cleared. My wife is not so sure she likes me doing development work on her Reg. The books are worthless on this subject.
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The light has been coming on for the last couple of weeks. I can reset the light by pushing the dash button. On a 700 mile trip last weekend, I probably reset it half a dozen times. The tires are all at 30 PSIg. Two tire gauges agree. I don't know how the system works. I don't think there is a sensor in each wheel like some later cars have. I suspect it works off of ABS sensors and wheel revolutions. The ABS light is not on, nor has it been.
The right rear tire has been replaced with one of the same size, but a different brand. This issue started a month after that. Can that tire have a different revolution length per rotation and cause this issue?
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I noticed the bottom dark grey trim on the front passenger door is sticking out. Looks like the panel/trim is prying away from the door.
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It seem that my RDS is gone missing. Will it return on its own? Is there a fix for it without going to the dealer and having the radio replaced?
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My tire pressure warning symbol just displayed - steady - so I aired up the tires -winter here -. The Quick Reference guide says /shows a reset switch located to the left of steering wheel . I can't seem to locate this. I have an '11 LTD but without navigation. Did they omit this switch on some models, or do I need a bigger flashlight ?
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This afternoon when coming back to my car I noticed that the small panel which covers the passenger side power washer for the headlights was missing. The car was parked in a safe place and I don't recall using the windshield/headlight washers recently. I does not appear that the piece "broke" in that from what I can tell there are no rough edges or anything that indicates it snapped off.
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I only see highway numbers on the map display, not street names. Is this because it is a CD-based nav system and not DVD-based (my DVD nav system on my Mini Cooper S displays all street names)?
Maybe I am missing a setting?
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In all fairness, this isn't for my SD, but there aren't really any forums for my '94 Villager and all A/C systems work pretty close to the same, so I thought I'd at least throw my question up here and see what comes of it. It's a bit of a hodge podge of manufacturers (Mercury, Nissan, Ford, Mitsubishi), but it's a Mercury, so technically a Ford.....ish.
My A/C crapped out last summer, so I finally got around to rebuilding it earlier this summer. I replaced absolutely everything except the rear expansion valves and the evaporators, which I flushed out with A/C flush and compressed air real good. Then I blew a line on a dirt road because I didn't get a line all the way clipped in. I got a bit paranoid about grit in the line, so I went ahead and replaced the line and dropped in a new dryer, sucked it all out good again, put a splash of POG oil in there, and filled it up with 134a.
According to the specs I could find, the capacity of my system is 52oz, or 4.3 of the standard 12oz cans. I always bleed the lines between cans to rid the lines of air and moisture as much as I can, so 4.5 cans usually gets about 52oz in the system. Anyways, it was 90 outside, so my readings should be 45-55 and 250-270. After adding 4.5 cans, and letting it run for a bit, my readings were still a bit low and my vent temp was only 60, so I went ahead and finished off the can. They were still reading low, so I sorta reluctantly hooked up another can and started filling. It sucked the whole can right up any my readings were 45 over 220 with vent temp at about 57. The low side is about on the low end of the acceptable range, but the high side still isn't quite up to the desired range and I don't want to stick another can in even though my readings indicate I'm not over-filled. I'm wondering if something's not right in there, or if maybe I'm just expecting too much from a 23 year old A/C design...?
Strolling into work today at 35-45 mph, it was a touch over 80 outside and my vent temp was a smudge over 40, so I guess that's not too bad. My radiator fans works fine, but they don't move a bunch of air. I usually drop an additional ~15 degrees when I'm on the move as opposed to sitting at idle.
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Finally got the hpop in my 03 done, got it fired up and runs great. The longer crank times seem to be getting better, however I am a bit concerned when I really get into her I am seeing pressures of 3400 psi......seems high to me. I guess I don't know for sure what the IPR was reading, will have to check that. Truck runs great, nice and smooth, but I am afraid I am going to blow something.
What is normal and what is not? Is there a way this pump will dump excessive pressures if needed? Or is it just a matter of time before I blow an oring out somewhere? I'm not sure how much the pump is capable of putting out. At idle it's sitting right around 630 after warmed up, maybe a bit lower.
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My 04 treg is displaying "Check tire pressure", and I don't know how to reset, also I do not have an owners manual .
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For some strange reason, my T-reg has set itself to 0.00 psi on all four tires. I went into the program and attempted to have it reset. The tire pressure "off" icon appears at the top of the screen and upon start-up the annunciator states that it is recalibrating. How long does it typically take to recalibrate before you get a psi reading on the tires? Shouldn't it come immediately? It still has not recalulated after 5 miles. Should I have VW service take a look at it or is their a simple adjustment I can make?
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My avg MPG with mainly city driving was around 14 with 39PSI all the way around. I adjusted my tires up to the recommended 44/36 front/back and I am now at 16+ in the city.
V6, PP2, Xenons, sound
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Which tire each of the tire pressure readings on the dash belong to? I have a 2007 LS460 and apparently had a nail in a tire that was slowly losing air. It took a bit of extra time to test each tire to discover the culprit. The dash displays tire pressure readings (1-5 including the spare) for each tire's PSI. Which one is the correlating tire for each reading (1-5). I checked the manual and it was not clear which reading position went to which tire.
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in my 2011 jetta i got a low tire pressure icon on my dash, turns out there was a nail in my tire, i repaired it and filled all of my tires to the ideal tire pressure and now 3 days later the icon still shows on my dash....?
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Our winter tires on the 2010 prius have the pressure sensors insalled in the wheels. Yet, ever since they were installed, the tire pressure light has been on on the dash. I have checked the tire pressures numerous times, and they are okay. In fact I now have the tires slightly over inflated instead of at spec, and it's still on. Do the sensors go bad in the wheels? We've had no issues with the system with the summer tires and wheels.
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