- A faulty Camshaft Position Sensor (CMP) can prevent the engine from starting. It is responsible for sending signals to the Engine Control Module (ECM) about the position of the camshaft, which is crucial for proper ignition timing.
- Similarly, a worn or snapped timing belt can disrupt the synchronization between the camshaft and crankshaft, affecting ignition timing and preventing startup.
2. Faulty Ignition Coil or Module:
- Check the ignition coil or module for any cracks, corrosion, or loose connections. A damaged coil or module will fail to generate the necessary high-voltage spark to ignite the fuel.
3. Fuel Pressure:
- Ensure the fuel pressure is within the recommended range specified in the vehicle's manual. Low fuel pressure can hinder the injectors from delivering enough fuel for a successful ignition.
4. Fuel Injectors:
- Dirty or faulty fuel injectors can prevent fuel from being properly delivered to the combustion chamber.
- Remove and inspect them for clogs or other damage.
5. Starter Issues:
- If the starter motor is malfunctioning or the solenoid is not engaging, it can prevent the engine from cranking and starting.
- Check the starter and solenoid connections for any loose or damaged wires.
6. Battery:
- A weak or discharged battery may not provide enough power to engage the starter motor or power the electrical components necessary for ignition.
- Check the battery voltage and consider charging or replacing it if necessary.
7. Faulty Engine Computer (ECM):
- In rare cases, a faulty ECM may be the culprit behind a no-start condition.
- The ECM controls many aspects of the engine's operation and a failure within it can disrupt the proper functioning of the ignition system.
If you can't identify the cause, it's best to consult with a trusted mechanic or refer to a detailed repair manual for your specific Toyota Paseo model.
