The fuel was definitely the problem, I bought a fuel system cleaner additive, and later I'll replace the filter. The car is working fine now.

My wife refueled with gasoline yesterday, and today the car started up normally! I don't remember when it was last refueled... Where could the problem be? In the quality of the gasoline? In the fuel tank? I used to fill the tank completely and could go 4 months without refueling, and the car would s...

The ETC is working correctly; I checked it with a multimeter, and it shows the proper values. Replacing the VVT valve caused an incorrect reading for adaptation camshaft opening. I'll try another sensor, but this time I'll disconnect the battery terminal before replacing it.

How can the ETC prevent the engine from starting properly?

I replaced the VVT sensor. Which of these operation graphs looks correct, 1, 2 or 3? I’ll check tomorrow morning to see if it helped.

• 1.

• 2. (without 4000 rpm)

• 3.

Hi everyone, I'm having an issue with my 2000 Volvo V70 II 2.4T. The car doesn't want to start after sitting overnight. The starter cranks, but it only fires up on the second or third attempt, and then it struggles to stay running. After another try and once the engine warms up a bit, the problem go...