PORSCHE 911 Carrera 4 Fuel injector cleaning (ultrasonic) Cost
2001–2005 · Engine, Fuel & Emissions system
Typical range
$229–$684
Parts + labour
Labour hours
1–3h
At a typical garage
Fuel injectors spray a precisely metered mist of fuel into the combustion chamber; dirty or failing injectors cause rough idle, misfires and poor fuel economy. Professional ultrasonic cleaning is often an option before full replacement. PORSCHE 911 Carrera 4 fuel injector service costs $229–$684.
Typical parts included
- Fuel injector seal/O-ring kit
What affects the price
- Cleaning vs full replacement of injectors
- Number of cylinders
- OEM vs quality aftermarket (Bosch, Denso) injectors
Common questions
How long does this repair take?
Fuel injector cleaning (ultrasonic) on a PORSCHE 911 Carrera 4 typically takes 1–3 hours at a garage.
How often does this need to be done?
For a PORSCHE 911 Carrera 4, this is typically needed cleaning every 30,000–40,000 miles as preventative maintenance; replacement is condition-based.
Other engine, fuel & emissions system repairs on the PORSCHE 911 Carrera 4
- ABS hydraulic unit replacement$468–$842
- ABS sensor replacement$193–$347
- ABS system bleeding$154–$277
- AC compressor clutch replacement$385–$693
- AC compressor replacement$413–$743
Fuel injector cleaning (ultrasonic) cost on similar cars
- BMW 3 Series Coupe$200–$360
- MERCEDES BENZ E-Klasse Coupe and predecessors$200–$360
- AUDI A5$200–$360
- SAAB 9-3 Coupe$200–$360
- FORD Mustang$198–$363
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