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Signal Too Low. Intermittent Fault





Safety
- See Safety instructions for handling fuel.
- Proceed to: Checking Cables And Terminals section below.

Checking Cables And Terminals
- Check fuel tank pressure sensor and control module connectors and connectors A1/A and A1/B for loose connections and contact resistance and oxidation.
- Check cable between fuel tank pressure sensor terminal 3 and control module # B31 via connector A1/B for an intermittent short-circuit to ground.
- Check cable between fuel tank pressure sensor terminal 1 and control module # B15 via connector A1/A for an intermittent short-circuit to ground and an intermittent open-circuit.
- Check cable between air conditioning (A/C) pressure sensor terminal 3 and engine control module # B29 for an intermittent short-circuit to ground.
- Operation done.