5. Fi INJECTION SYSTEM MOVIE S 125i
5-20
FI Fuel Injector Cleaning Method
1. Condition: Fuel Injector can’t spray fuel or spray with limited quantity
2. Cause: Fuel Injector blocked by carbon deposit
3. Method
1) Clean Fuel Injector with Ultrasound Cleaner with House Made Device
2) The level of detergent solution in the ultrasound tank shall not exceed the height of wiring
receptacle of fuel injector
3) Inject detergent at the inlet port of fuel injector and clean for 30 minutes, t hen it can be
assembled to car to start
4) The method of making House Made Device
Inject detergent here
Height of detergent solution shall not exceed
the connector of lead wire.
Fuel Injector holder for avoiding fuel
Injector touches bottom directly.
Ultrasound cleaner
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