Boosted Falcon

hi guys i was driving my car the other day to the shops when leaving car wouldnt start and killed battery in the process cranking it, when a mate came and gave it a jump start it took about 30 secs of cranking for the motor to fire but once fired ran smooth. got the car home and ever since it will not start..

its a 1995 xr6 manual original

things ive checked;

* ecu is fine but reads error codes 522 & 786 have no idea what these mean or how to go about solving ..

522 : NDS - A/C On For KOEO test, the transmission must be in either Park, or Neutral, the A/C must also be turned off {have no idea what that means}

786 : PIL Output check fail Performance Indicator Light output is faulty. Can be caused by open circuit, or shorted to Ground, +12V
{will the car start if this cable is frayed and touching the body of the car somewhere, also the car is a manual and doesn't have an economy power button that the auto has so why would this code come up?? is it even on my car??}

* engine has no spark. engine will crank but no spark although on the odd occasion, maybe after cranking for 40 secs you will get 1 half assed spark "this rarely happens though"

* Injectors: after using a noid light to test for injector pulse i found that when cranking of the motor first commences the injectors pulse 3 times then stop completely as i continue to crank the motor.


guys its not looking good although im sure it must be something ridiculous and small which is almost always the case with these electrical problems.

any ideas would be greatly appreciated before i drive.. wait no...push this pos car off the nearest cliff....

thanks.

Can you get another computer cheaply/borrow to try?

hey buddy thanks for the reply!

already tried this unfortunately

Sounds like crank angle sensor to me, does the tacho move when cranking?

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its not the CTRL LMP fuse is it?

hey guy im at my wits end here with this thing

not the CAS or the cntrl lmmp fuse tacho doesnt move when cranking

Double check all the fuses and earth points, make sure they're clean and tight.

Make sure the battery is fully charged.

With no spark or fuel it could be crank angle sensor or a smartlock issue.

Have you tried thumping the dash to the left of the steering column? If it starts it'll be a smartlock problem.

If it doesn't start it'll be crank angle sensor, ecu or the wiring between.

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