2007 Dodge Caliber
Engine size: 4 cyl
Warning lights: lightning bolt?
Question: Lightning bolt light came on care will not start or take a battery jump.

Answer: This light should not cause the engine to not crank over like a dead battery. But it can cause it to crank over but not start. This light informs you of a problem with the Electronic Throttle Control system. If a problem is detected the light will come on while the engine is running. Cycle the ignition key when the vehicle is completely stopped and the gear selector is in the PARK position. The light should turn off. If the light remains lit with the engine running your vehicle will usually be drivable, however, see your dealer for service as soon as possible or go to Autozone and have them read the codes for you for free. If the light is flashing when the engine is running, immediate service is required and you may experience reduced performance, an elevated/rough idle or engine stall and your vehcle may require towing. The light will come on when the ignition is first turned on and remain on briefly as a bulb check.

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Common Engine Codes

Oxygen Sensor Code P0036 and P0056

P0036 - P0056
Heated oxygen sensors (HO2S) are used for fuel control and post catalyst monitoring. Each HO2S compares the oxygen content of the surrounding air with the oxygen content in the exhaust stream. The HO2S must reach operating temperature to provide an accurate voltage signal. A heating element inside the HO2S minimizes the time required for the sensor to reach operating temperature.

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How Things Work

Vehicle Front Suspension Operation

The front suspension has 2 primary purposes:

Isolate the driver from irregularities in the road surface.
Define the ride and handling characteristics of the vehicle.

The front suspension absorbs the impact of the tires travelling over irregular road surfaces and dissipates this energy throughout the suspension system. This process isolates the vehicle occupants from the road surface.

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