Rover 800 Electrics, ECU, Warnings & Lights Problems

i can be driving down the road about 50mph and the speedo needle drops to zero for a few seconds then returns to normal but a green s4 light flashes on the dashboard but it seems to drive ok with no gear change when i stop and turn off the ...

Hi, car was running absolutely fine when parked up, about 6 weeks ago. Now due MOT, so went to fetch car home, ready for MOT. I changed the battery due to original being flat. Original key fob dead, so got the spare out. Red and green light...

Have bought 800 few weeks ago, go to lock door hooter sounds back at me have checked manual and this indicates a door/bonnet or boot open, there all locked. Have checked all the usual things remote (new batteries) fuses. Any help appreciate...

Just bought t reg rover 800si auto, Great car looks and drive, Problem is when i go to lock the car using my fob the car beeps back at me, I have checked the handbook and says it could be doors/bonnet/boot open. I have checked all these but...