Sludge build up in the throttle body can cause a poor engine idle, stalling, and/or hesitation. The correction is to install a new idle air control valve spacer kit to prevent the sludge build up, set the base idle, and clean the throttle body.
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Outdated software in the engine control processor can cause poor engine performance, hesitation on acceleration, and possible stalling problems. The processor will need to be replaced to get the updated calibration.
A defective crankshaft pulley can cause a clicking, or clanging noise from the engine when it is running. The center hub can become loose and the pulley should be replaced with the revised design.
Poor rubber material used in the motor mounts can cause them to fail, leading to a knocking noise or lifting sensation on acceleration. The motor mounts will need to be replaced with revised parts.
Pressure issues between engine and air cleaner can cause oil to collect in the air cleaner box. The PCV valve will need to be replaced.
Fitment and abrasion of wheel covers to the wheels can cause the wheel covers to make a ticking and / or clicking noise. Lubricating the back side of the wheel covers where they mate to the wheels should correct this problem.
Binding of the shifter slider can make the transmission shifter difficult to move. Replacing the bezel should fix this problem.
Electrolysis can cause repeated failures of the heater core and radiator. The diagnosing technician should check for voltage present in the coolant, with the battery disconnected, because electrical current in the coolant causes electrolysis. Corroded or deteriorated parts should be replaced, and the coolant should be flushed. Ground straps can be added to help prevent future corrosion of components.
If the rear brakes wear out abnormally fast, this can be caused by defective rear brake pads. The rear wheels may also appear to become excessively dusty. They should be replaced with revised brake pads, and all wheel drive (AWD) vehicles should replace front brake pads as well.
Faulty material in manufacturing could cause the inside door pull handle to break. Both handles should be replaced.
Fitment and deterioration of weatherstripping on mating surfaces of the convertible top can cause water to leak in the interior. The contour of the roof can also contribute to the leak problems. Foam can be added to bolster the contact points where leaks occur and / or the weatherstrips can be replaced where they are deformed.
If a buzzing noise is coming from the exhaust at different engine speeds and conditions, this is commonly caused by the heat shields on catalytic converters coming loose at points. The buzzing is the metal on metal contact. Installing a large worm clamp around the catalytic converter and heat shield assembly will prevent the noise and secure the shields.
I have a 2008 Sable i got a message check charging system
i had the battery checked ok the alternator was showing 13.2
If the vehicle hesitates or idles roughly after being parked for twenty to thirty minutes, with the engine still warmed to normal operating temperature, you may need to reprogram the PCM (powertrain control module) with new calibration.