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Anyone work on a fuel injected scooter? 150cc EFI wont idle...

Eddo Rogue

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Joined
May 18, 2020
Messages
2,664
Reaction score
1,178
Points
113
Location
Burbank,CA
Vehicle Year
1993
Make / Model
Ranger 4x4
Engine Type
4.0 V6
Engine Size
OHV
Transmission
Manual
2WD / 4WD
4WD
Total Lift
skyjacker front leveling kit
Tire Size
31-10.50R15
My credo
Crossed threads are tight threads.
I have this 150cc "La Vita" scooter, its a vespa knock off....and despite being chinesium, they were fairly well made, had a bit of a cult following, but are now discontinued.

At first it had a high and erratic idle, which would mellow out after a ride. Now it refuses to idle.

It acts like a carburetor that has a plugged pilot jet. Normally in this case, I would pull and clean the carb, maybe replace jets and needles. But it doesn't have one, this thing is EFI!?

The only info I could find online is the owners manual, which I have.

Also just to note, there is this red "FAI" light thats been on the whole time I've had it.
 


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SenorNoob

Well-Known Member
TRS Event Participant
Joined
Oct 24, 2012
Messages
1,967
Reaction score
159
Points
63
Location
Middle Tennessee
Vehicle Year
1988
Make / Model
Ford
Engine Type
4.0 V6
Engine Size
4.0
Transmission
Manual
2WD / 4WD
4WD
Total Lift
1.5" Front + 4" Rear
Tire Size
245-70-R16
I'd be willing to bet it's a Delphi MT-05 ECU and system.
If so have a look at this.(Fair warning: It's a 200mb zip file.)
It's some info I collected on that system. It actually speaks a language some ELM327 scanners can understand.

Edit---
If you'd be more comfortable with a carburetor, it's likely possible to transplant it.
 

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