cold starting

[derekkitchener]

my sporster has 2.5 bmw engine bored to 2.8L with luminition injection, when starting from cold needs 2 - 3 goes and the revs shoot up to 3000, ok when hot, help appreciated, car was built by Marlin

[Dane_Rescueman]

Re: cold starting

Is it the old Bosch L Jetronic system?

[derekkitchener]

Re: cold starting

car was the 1997 Marlin show modeel with full luminition injection has 3 K&N filters and ecu box in passenger area, car is ok when hot. thanks, Derek

[jon_cox]

Re: cold starting

Hi Derek.
Could do with some more info / pics really. Is this the full ITB set up or just the ecu running standard BMW intake config?
Start by checking the air temp sensor.

[derekkitchener]

Re: cold starting

she was the 1987 show model 2.5 bored to 2.8, full lumination injection with K&N filters the box for this has a socket for software imput and under dash is BMW socket for the same