How to replace the fuel injectors and fuel rail on 2003 Cadillac CTS?

Change the intake plenum, relieve the pressure in the fuel system, and change the fuel injectors and fuel rail. Detach hoses to the fuel rail, loosen up the fuel rail brace bolt, and disconnect electrical connectors. Wipe down and move the fuel rail assembly, and injectors replace with new O-rings. Fix all that and install the intake plenum again.

OEM 2003 Cadillac CTS Fuel Injector

Gas Injector

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2003 Cadillac CTS Injector Part Number: 24406653
$45.92 MSRP: $82.00
You Save: $36.08 (44%)
Product Specifications
- Other Name: Injector, Multiport Fuel; Gasoline Injector; Fuel Injector; Injector, Fuel Injection
- Item Weight: 0.40 Pounds
- Item Dimensions: 4.1 x 2.1 x 2.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 6
- SKU: 24406653
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Cadillac CTS Submodels:
- Base, Luxury, Luxury Sport | 6 Cyl 3.2 L GAS

2003 Cadillac CTS Fuel Injector

With a comprehensive array of OEM 2003 Cadillac CTS Fuel Injector, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2003 Cadillac CTS Fuel Injector are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2003 Cadillac CTS Fuel Injector Parts and Q&A

Q: How to replace the fuel injectors and fuel rail on 2003 Cadillac CTS?
A: Change the intake plenum, relieve the pressure in the fuel system, and change the fuel injectors and fuel rail. Detach hoses to the fuel rail, loosen up the fuel rail brace bolt, and disconnect electrical connectors. Wipe down and move the fuel rail assembly, and injectors replace with new O-rings. Fix all that and install the intake plenum again.