daddychubby Posted February 14, 2016 Share Posted February 14, 2016 (edited) A few days ago my engine warning light came on and car started to perform very poorly. I assume this was the limp home mode. I Read the codes with an Forscan OBD reader and P2300 comes up. This indicates that the A coil circuits could be either open circuit or short circuit. I bought a new coil from Eurocarparts and have now fitted it, but the car fails to start. I tried charging the battery as the voltage was down a little. I checked the fuses and could find nothing wrong there. I removed plug 1 and could not see a spark when the engine was turned over. But could see a really nice juicy spark when I did the same with plug 2. I know the ignition system uses the redundant spark system so it looks like I have a wiring fault on the A coil circuit. does any one have any further information on that. Please Edited February 14, 2016 by daddychubby format errors Quote Link to comment Share on other sites More sharing options...
daddychubby Posted February 15, 2016 Author Share Posted February 15, 2016 Has anyone else had this problem. Or has anyone got accurate circuit diagrams for a 2005/06 Focus Zetec estate. Quote Link to comment Share on other sites More sharing options...
daddychubby Posted February 21, 2016 Author Share Posted February 21, 2016 Well it seems I had the correct diagrams all along just me not being used to reading them. Now just for the sake of accuracy I need to know which engine I have. Is it Ti-VCT or not Ti-VCT is it a DIVVT. How do you find out. The engine number gives no clue as far as I know. I s the clue in the VIN number? Yes I do also know that the engine number as stated on the V5 is also part of the VIN. Any help would be much appreciated. Quote Link to comment Share on other sites More sharing options...
JW1982 Posted February 21, 2016 Share Posted February 21, 2016 The normal 1.6 Duratec has 100 Hp and the 1.6 TI-VCT has 115 HP. They can also be recognised by the throttle body location. The TI-VCT has the throttle body mounted next to the air filter box using a small hose to connect hem The normal 1.6 has the throttle body mounted a bit further away using a longer hose which is routed through the intake manifold. You should check the output signal of the low voltage wiring at the coilpack. If there is no signal on one of the two wires your problem will most likely be caused by defective wiring or a defective PCM. Quote Link to comment Share on other sites More sharing options...
artscot79 Posted February 22, 2016 Share Posted February 22, 2016 coil wirings a common fault ford sell piggy back wiring that you solder in place of the old plug and wires you're v5 will tell you if its 100bhp or 115bhp or put you're reg in the ford etis website and it will also tell you Quote Link to comment Share on other sites More sharing options...
ford focus noise master Posted June 7, 2018 Share Posted June 7, 2018 i had same problem was a broken wire going to coil pac Quote Link to comment Share on other sites More sharing options...
Phil21185 Posted June 9, 2018 Share Posted June 9, 2018 The NecroPoster strikes again! Mwahahahahaaaaaaa!!! Info may be helpful though so I'll let you off lol! 😈 Quote Link to comment Share on other sites More sharing options...
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