stanman1 Posted March 30, 2014 Share Posted March 30, 2014 hi all, does anyone know if it is possible for a ford 1.8di engine to over fuel on just one cylinder? regards, stanman Quote Link to comment Share on other sites More sharing options...
fordtech Posted March 30, 2014 Share Posted March 30, 2014 If the injector fails , then yes. Quote Link to comment Share on other sites More sharing options...
stanman1 Posted March 30, 2014 Author Share Posted March 30, 2014 the injector on this particular cylinder has been reconditioned. what i need to know is can the injector pump deliver more fuel on just one cylinder? the pump is a fly by wires Bosch rotary pump. regards,stanman Quote Link to comment Share on other sites More sharing options...
fordtech Posted March 30, 2014 Share Posted March 30, 2014 The pump just delivers , the pcm and injector govern how much , i'd swap your injector to another cylinder and see if the fault moves. Quote Link to comment Share on other sites More sharing options...
stanman1 Posted March 30, 2014 Author Share Posted March 30, 2014 tried that early on, problem still persisted! even changed inj with spare! checked timing, replaced belt and tensioner, compression tested 400 psi on all pots. checked valve clearances all ok. removed head no witness marks! removed piston no damage to big end or small end ! had every thing double checked by engineers all ok. im left with suspected diesel knock [overfuelling on No 1 cylinder . Could ecu be delivering extra fuel just on one pot? regards, Stanman Quote Link to comment Share on other sites More sharing options...
stanman1 Posted March 30, 2014 Author Share Posted March 30, 2014 if i crack the injector nut on No 1 noise stops. everyone said it was big or small end failure but this has been disproved on strip down! i am now looking for needles in haystacks :( :wacko: Quote Link to comment Share on other sites More sharing options...
jeebowhite Posted April 6, 2014 Share Posted April 6, 2014 could it be as simple as an injector seal? Quote Link to comment Share on other sites More sharing options...
stanman1 Posted April 6, 2014 Author Share Posted April 6, 2014 injector[ fire washer] was changed when reconditioned injector was installed, rgards,stanman Quote Link to comment Share on other sites More sharing options...
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