The tag has no usage guidance.

learn more… | top users | synonyms

9
votes
1answer
139 views

How does tire pressure affect susceptility to hydroplane?

Is a tire's propensity to hydroplane proportional or inversely proportional to tire pressure? That is, if a tire is over inflated or under inflated, is it more or less likely to hydroplane?Edit: This ...
9
votes
1answer
43 views

Radial tires: Do they bulge at too high pressure?

It's tire pressure time! At least when looking at the recent new questions. So here is another question about air pressure. At driving schools, shops and in the internet you often find this type of ...
7
votes
1answer
75 views

Checking Tire Pressure when the tire is warm or cold

Witnessed a recent debate about what is the appropriate temperature to check tire pressure at. The debate centered around warm or cold, there wasn't an exact temperature given by any of the parties. ...
5
votes
3answers
300 views

How To Pump Up Car Tires (finding the optimal PSI for your tires)

I have noticed that all the tires on my VW Passat B5 have "44 PSI" written on them except the spare that has "51 PSI". This seems incredibly high to me so when I filled them up recently at the petrol ...
12
votes
4answers
1k views

Should I fill my tire?

I measured the PSI on my rear driver tire (using a gauge pin - push it into the needle and a stick pops out with a reading), and I got a reading of 22 PSI. My tires are supposed to be anywhere from ...
4
votes
3answers
70 views

Why is a volume test necessary when diagnosing fuel delivery problems?

I suspect my fuel pump causing intermittent driveability issues. I checked the fuel pressure at the fuel rail and it seems like the pressure is fine: ~2.4 bar at idle, 3.1 bar at engine off (3.09 bar ...
4
votes
1answer
251 views

Do I follow the same recommended tire pressure when I change to nitrogen filled tires?

I am aware of the recommended tire pressure indicated in the car's user manual and in the driver's door. I've been reading a lot about filling tires with nitrogen and a few of the advantages has ...
4
votes
2answers
43 views

Tire Pressure Adjustments When Needed

From my understanding there is the recommended tire pressures at the inner part of the drivers door, but I have this question in my head just in case this happens. Say my recommended tire pressure ...
4
votes
2answers
487 views

What could be causing the rapid loss of tyre pressure?

I had a slow puncture a while ago and got the tyre replaced on my Renault Clio because it was bulging and non salvageable. Since then I've been losing pressure in that tyre fairly rapidly. I've had ...
1
vote
1answer
26 views

How to choose Car Tyre Pressure Monitor Valve Stem Cap Sensor Indicator

I would like to fit Car Tyre Pressure Monitor Valve Stem Cap Sensor Indicators to my Skoda Citigo, where the cold tyre pressure is supposed to be 26 p.s.i. There is a wide range of these available, ...
1
vote
1answer
48 views

Is there a tyre pressure gauge that is easy to use?

I always lose air from a tyre when I try to use one of the type of pressure gauge that depress the pin in the valve as the gauge is attached, so I have to pump it up whether or not the pressure was ...
7
votes
1answer
273 views

Low-side and high-side pressures lower than expected after AC repair

I just did my first automotive AC repair, after the compressor in my 2004 Lancer 2.0 ate itself, cracked its casing, and blew all the refrigerant out. I think I did the repair & recharge ...
3
votes
2answers
110 views

Should I let air out of my tires?

I bought a car brand new 9 months ago. My tire pressure sensor came on. I checked the tire pressure, and it was at 35 PSI. My maximum tire pressure is 51 PSI with a warning not to fill above 40 PSI. I ...
3
votes
3answers
1k views

Does tyre pressure affect road noise?

I always pump my tyres up to the maximum (like 45 bar), for maximum fuel economy. However, does this affect road noise?
1
vote
1answer
26 views

What is the pin layout / labels of this oil gauge?

I have a veglia oil pressure gauge from a fiat coupe 16v. On the reverse of the clock is 4 pins, the top and left ones are labeled negative and positive respectivly, but can anyone tell me what the ...
9
votes
4answers
1k views

How critical is it to match the stock fuel pressure regulator pressure when replacing it?

My fuel pressure regulator needs replacing, however the original part from the manufacturer is outrageously expensive. While looking for less financially painful alternatives I've seen much cheaper ...
2
votes
1answer
69 views

Checking a fuel pressure regulator that is out of the car

I happen to have a fuel pressure regulator of a petrol car lying around left by the previous owner and suspect that it might be still good, since the previous owner was just changing parts randomly ...
3
votes
1answer
77 views

Can I still drive my car when one of the tires has lower pressure?

I just noticed this morning that one of my tire pressure dropped a little bit. The others are 34psi, but the front right tire is only 30psi, I checked them only few days ago, they were the same at ...
3
votes
1answer
68 views

Tire pressure sensor doesn't read

I work on several makes and models, and found that after replacing brake pads that the "low tire pressure" warning comes on as a sensor fault. Is there something I'm hitting that causes this? How can ...
3
votes
6answers
574 views

Tyre Pressure Checks for My Car

I know that checking tyre pressure is a very important thing before making long journeys. However, I have no idea how frequently I should check my tyre pressures. For example, If I travel round-trip ...
4
votes
0answers
424 views

diesel pressure issue Fiat Punto 1.3 JTD

I have a Fiat Punto 188 1.3 JTD Multijet and an issue, that brings me a headache since 2 years. The car is from 2005 and already has 180 000 miles down. Almost every time, the I fast accelerate from ...
2
votes
1answer
259 views

roots blower pressure on Detroit 2 cycle Diesel 371 cubic inches

I need the blower pressure for a Detroit 2 cycle Diesel 371 cubic inch Oliver 99 tractor
1
vote
1answer
2k views

lowest tire pressure for a 44psi tire

I want to know what it the lowest tire pressure you could put on a maximum rate 44psi tire? I have been placing 33- 34 psi on these tires for about half a year now, will it damage my tires? I'm ...
1
vote
1answer
236 views

good tire pressure for agressive driving

Apparently my current rear tire (talon, some cheap brand) seems to be out of round lately. I have been replacing it with the same tire from the same brand and I notice that every time I drive on deep ...