Hi,
my car (1997 Volvo S40) has a nipple connector on the fuel rail to check fuel pressure. That nipple is exactly the same as the one on tires. Since I have a tire pressure gauge on my air compressor, I was wondering whether it would be possible to check the fuel pressure SAFELY with that tire gauge! Actually it is possible bt I'm unsure if that's safe because the connector on the tire pressure gauge is held by a spring and it's not bolted on the nipple on the fuel rail. Therefore I'm unsure if:
1) fuel may leak
2) the fuel pressure would be accurate
Apparently ther's no leak when just setting the ignition on (engine not started) ad I get a fuel pressure reading of about 40psi. But do you know if that's an OK method to check fuel pressure (with engine on) or is tis dangerous/inaccurate?
my car (1997 Volvo S40) has a nipple connector on the fuel rail to check fuel pressure. That nipple is exactly the same as the one on tires. Since I have a tire pressure gauge on my air compressor, I was wondering whether it would be possible to check the fuel pressure SAFELY with that tire gauge! Actually it is possible bt I'm unsure if that's safe because the connector on the tire pressure gauge is held by a spring and it's not bolted on the nipple on the fuel rail. Therefore I'm unsure if:
1) fuel may leak
2) the fuel pressure would be accurate
Apparently ther's no leak when just setting the ignition on (engine not started) ad I get a fuel pressure reading of about 40psi. But do you know if that's an OK method to check fuel pressure (with engine on) or is tis dangerous/inaccurate?
Last edited: