Morning Jacob (Translation for the Colonies, binning a car doesn’t involve programming, but the junkyard instead) You can’t use the temperature gauge as a test for the coolant sensor. It’s a very coarse measurement tool, I think I documented it here somewhere. The ECU has to precisely meter the fue...

The fact the gauge gets to around the 3 o'clock would suggest the ECT is working, but I would still check the resistance values and connector as this will also affect the engine cooling fan operation. I would then check the throttle flap and cable are lubed as suggested and we can go from there. Th...

Morning Jacob (Translation for the Colonies, binning a car doesn’t involve programming, but the junkyard instead) You can’t use the temperature gauge as a test for the coolant sensor. It’s a very coarse measurement tool, I think I documented it here somewhere. The ECU has to precisely meter the fue...

Hello Neil, Yes one thing to check is the ECT sensor, I've taken it on a 30 mile drive tonight to see if it needed to relearn the values but by the end of the drive it was sitting at 1500RPM in park or neutral. The temperature guage seemed to climb normally, it started up first time with the IACV co...

Hello all, first time poster here so forgive. I have a 1995 Volvo 850 10 Valve N/A with a head-scratcher of a fault. So going back 5-6 months after having the car parked for a year I decided to do a stage 0, a full service, new timing belt and tensioner, new belts, drained all the fluids etc etc. It...