I dont know if I have the same problem but need help. Bought a 2000 clio 1.4 s 8v. Drove it for a while ok. Then was down on power but would eventually reach decent speed. Put on code reader and no codes shown. Now wont even start. New plugs,
, idle air control valve, throttle position sensor, shorted out and tried to run coolant temp sensor disconnected. Disconnected lambda. compression tested ok. there is a spark. Seems running rich as when air inlet is lifted up allowing more air in tries to start and will run. Do the
sensors and ECT show up on code reader when breaking down? Are UCUs a common problem with this model? HELP!