View Full Version : 2006 250xs cranks but wont fire
Ajskennels
04-09-2018, 09:36 PM
250xs wont fire, turn ignition on and beeper sounds, fuel pump comes on for around 10 sec, cranks good, i hear the injectors firing but nothing from any of the 6 coils, I've already disconnected the black/yellow kill wire and checked what grounds i could, any ideas?
XstreamVking
04-10-2018, 06:26 AM
Try a different key switch...
Seapro mike
04-10-2018, 05:47 PM
Just sent my ecm to simon motorsports. Idles now will put her in the water this weekend to see the rest of the rpms
Ajskennels
04-10-2018, 07:09 PM
key switch is brand new
ghost28
04-10-2018, 10:24 PM
disconnect all of the coils...connect one at a time..if you have spark on that one go to the next coil then to next ans so on...when you find one that doesnt fire its the one thats internally shorted and shorting the coil driver in the ECU causing all coils not to fire...
Steve Pope
04-13-2018, 08:16 PM
blown fuse. Check the 4 mini fuses. They are located in a plastic holder to the rear of the ecu
Ajskennels
04-14-2018, 11:33 AM
got it guys, don't really know what it was, i just turned the key and it started, only thing i can figure is i moved some connectors or something, motor runs like a top, thanks
Motv18
04-14-2018, 09:05 PM
Cps will do it. No spark till it reads 60*
uses the cranking to fill the air rails otherwise you have to crank till the compressor built enough head to run.
jpf091959
04-16-2018, 10:37 PM
those motors are real sensitive to having a strong battery. You will get a good beep, engine turns over strong, but doesn't fire.
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