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Yohan87
Guest
Afternoon,
Posting this here because this forum seems to have the most technically clued up people around when it comes to 1.8T's so hopefully you can help.
My friend has fitted a 1.8T AUM engine in to a Mk2 Golf and followed guides to allow retention of the OEM Bosch management system.
At this point in time when you turn the ignition on the fuel pump primes and we've confirmed there is fuel reaching the fuel rail. When you turn the key to start the car the engine turns over smoothly but doesn't even sound like it's trying to fire, no coughing or spluttering, just turning over.
We pulled all the coils out and when turning it over with the coils out they were all sparking at first, but then only one kept sparking as it was cranking.
We measured the voltage at the injectors and are getting approximately 3.4v - 3.6v at each injector.
We also measure the voltage at the coil packs and we are getting 12v to the black/purple wire on the coil plug (0v on the other three wires) when on stage 2 ignition, and 9v when cranking on black/purple and approximately 0v - 0.1v on the 3rd and 4th (non brown wire).
It seems like we are so close but are stumped as to what it could be.
Any advise appreciated.
Thanks
Posting this here because this forum seems to have the most technically clued up people around when it comes to 1.8T's so hopefully you can help.
My friend has fitted a 1.8T AUM engine in to a Mk2 Golf and followed guides to allow retention of the OEM Bosch management system.
At this point in time when you turn the ignition on the fuel pump primes and we've confirmed there is fuel reaching the fuel rail. When you turn the key to start the car the engine turns over smoothly but doesn't even sound like it's trying to fire, no coughing or spluttering, just turning over.
We pulled all the coils out and when turning it over with the coils out they were all sparking at first, but then only one kept sparking as it was cranking.
We measured the voltage at the injectors and are getting approximately 3.4v - 3.6v at each injector.
We also measure the voltage at the coil packs and we are getting 12v to the black/purple wire on the coil plug (0v on the other three wires) when on stage 2 ignition, and 9v when cranking on black/purple and approximately 0v - 0.1v on the 3rd and 4th (non brown wire).
It seems like we are so close but are stumped as to what it could be.
Any advise appreciated.
Thanks