20 Most Recent 2006 Volvo S40 Questions & Answers

You can only check in hidden menu which modules have some errors (DTCs). Then you need to visit your Volvo dealer.

maybe the brakes are dragging? check for a hot wheel when you stop

Not familiar with volvo but had a pontiac years ago that had a shift up/down light that was only to maximize fuel economy (standard transmission)

Just here and there , you hear a "click" while a.c is on... Ok, turn the a.c off , see if the "click" disappear's ??.if so... I,m guessing it's the a.c compressor clutch kicking in and out of the system as it is required to do. turn the a.c off , if not , you need someone in person to search out the "click" , past that ... turn the music back up and cruz !! , lol... good luck !!!!

Well, did you do the next thing and check for spark? Coil?

If the clutch is engaging while you are pressing the pedal and you are losing fluid either the clutch master cylinder or the clutch slave cylinder is bad. If the fluid is leaking from the firewall on the drivers side its the clutch master cylinder. If the fluid is leaking from the transmission area its the slave cylinder.

Mode actuator bad

turn key to position 1. hold down button in dash next to odometer until the trip meter resets, then while continuing to hold the button down turn the key to position 2 and hold the button until the information light in the dash blinks 3 times

Volvo stopped using Gear to Gear Timing when they switched to the B23 Engine and have used Belt Timing ever since.

Use a small electric heater on low with the windows barely cracked open.

It means you need to get it scanned. Foxwell NT 300 Diagnostic Scan Tool

Yes