1994 Volvo 850 Turbo, 139k. Well, to make a long story short, drove the car to Maryland and back 3 straight weekends (6 hour drive each way) with no problems. The CE light came on a couple of weeks back, slow front o2 sensor. O2 sensor is rust welded to the downpipe, so I drove it as-is, still getting high 20's MPG on the highway. At home, let the car idle for @20 minutes, drove it out of the driveway to move another car, shut it off, went to re-start it and it just turns over. I push it into the garage, figured maybe somehow the connection to the rotor corroded or something. Replaced the cap and rotor, started right up. Went to start it again, wouldn't start. A couple of days later it started once and after a few seconds stalled out, and hasn't started since. I ran a compression check and have good compression (timing belt was done at 132k), I have fuel pressure, but no spark. Pulled the plugs, so spark when grounded. I replaced the coil, no luck, so I ordered a used ECU, still does not start. Is there anything else to try? I'm pretty stumped. I checked the Cam Sensor and it is dry, no oil blowby. If anyone has any idea, it would be greatly appreciated.