Hello. I'll just create a new topic since we've discovered a bit more than last time. Old topic: https://www.matthewsvolvosite.com/forums/viewtopic.php?t=72402 Information about the car: 1994 Volvo 850 2.5 10V, engine code B5252S, SIEMENS S103955403J ECU I know that the 10V version isn't around in t...

I know I'm getting fuel, but I checked the fuel injection relay and the fuel pump relay anyway. Both seems to be working. I can feel the "tick" when I turn on the ignition. I even tried to jump-wire where the fuel pump relay goes in just to see if there was any difference - and there wasn'...

You should have considerably more than 11 volts out of the coil to the cap - more like 20,000 volts and a spark should jump a gap if you pulled the wire off of the coil and held it close to the coil. Be at least prepared to get bit if you try that. It won't kill you but it gets your attention if it...

Hi, I have a 1994 Volvo 850 10V non-turbo with around 190k miles on it. I bought the car a year ago. I currently have a no spark condition, and I am unable to read fault codes seeing as the OBD1 unit on the car is not functional. I have replaced a lot of parts in search for a fix and I recently disc...