Most Common Car Issues
Selected parameters
Engine Model
LA3
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MOST COMMON PROBLEMS
CADILLAC CTS 2003
The 2003 Cadillac CTS is a sophisticated sedan powered by a 3.2L V6 engine with a V-shaped configuration, featuring Dual Overhead Cam (DOHC) technology. Manufactured in Lansing, Michigan, by General Motors, this model offers advanced safety with front and side airbags for the first row and rear passenger inflatable restraints. The car boasts a sleek design with four doors and windows, and employs Multipoint Fuel Injection (MPFI) for efficient fuel delivery. This vehicle is part of Class 1, weighing 6,000 pounds or less.
Spec:
Engine Configuration
V-Shaped
Engine Model
LA3
Engine Number of Cylinders
6
Other Engine Info
Name Plate: Cadillac
Problems:
Oil leaks
V-shaped engines, like the one in the 2003 Cadillac CTS, often suffer from oil leaks due to the complexity and the number of gaskets and seals used.
Timing chain issues
The Cadillac CTS 2003 V6 engine has been known to have problems with the timing chain stretching or failing, which can lead to severe engine damage.
Cooling system problems
V-shaped engines can experience cooling issues due to their design, which can result in overheating if not properly maintained.
Misfires
The ignition system in this V6 engine can sometimes cause misfires, often related to issues with the spark plugs or ignition coils.
Intake manifold gasket failure
The intake manifold gasket on this engine can deteriorate over time, leading to vacuum leaks and poor engine performance.
Valve cover gasket leaks
V6 engines in the Cadillac CTS 2003 are prone to valve cover gasket leaks, leading to oil seeping onto the exhaust manifold and causing a burning smell.
Fuel injector problems
Fuel injectors can get clogged or fail, leading to poor fuel economy and engine performance issues.
Crankshaft position sensor failure
This sensor is critical for engine timing, and its failure can lead to the engine stalling or not starting at all.