JWP EFi
Post #1
My phase 2 has developed a fault which i cannot get my head around, electrical problem solving really isn't my thing!The problem first started about 2 months ago, only when the car was cold the starter/solenoid would not engage, if i tapped the starter the engine would fire up no problem, seeing as it would only go with a prod a naturally came to the conclusion that the starter was knackered i replaced it with a known good spare which cured (or so i thought) the problem although the engine was very slow to turn over, i might like to add that the battery is good and all earths have recently been cleaned as i was chasing a random misfire. I have since fitted another starter and now when i turn the key nothing happens, i checked for a feed to the solenoid whilst trying to crank over and nothing. At this stage i thought maybe the wiring harness was at fault as it does look a bit ropey in places and when i think back to when i was having to hit the starter - maybe i was just disturbing the surrounding wiring and causing a broken wire to make contact, now i have done a continuety test on the harness wires, solenoid wire seems to be ok but now there is no power getting to the coil wiring, swapped relay and still nothing. I have ran a wire directly from the battery to the starter solenoid whilst the ignition is on which now sees the engine turn over but won't fire, there is fuel but no spark.
It has been suggested that the ECU may have somehow immobilised itself but surely if this was the case then there would be no fuel.
My conclusion is that the wiring harness may be faulty, has anyone any thoughts?? Seems very strange how before the engine would start and now it cranks over but no spark
Posted 25th Nov 2013 at 22:39
