Excessive HC & Co
WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, and 1995 Dodge Caravan. However, it is still accessible from the selected car via links, so may be relevant.
- Check for leaky fuel injectors.
- Ensure fuel pressure is 90-140 psi (621-965 kPa).
- Check for faulty oxygen sensor.
- Check ignition and sensor wires for poor connection.
- Check crankshaft position sensor.
- Check for vacuum leaks.