If this DTC is set, and no misfire is currently present, the vehicle may simply have been run low on fuel. This DTC being present with a properly functioning fuel sender circuit eliminates the need for a lengthy misfire diagnosis. In any case, a misfire must have been detected before this diagnostic runs. Verify that there is an adequate fuel supply in the tank.
• | At least one of the following DTCs are set: P0300 through P0306. |
• | The engine misfire is detected by the Misfire diagnostic. |
Fuel Level signal is greater than 6.82 volts
The ECM will not illuminate the malfunction indicator lamp (MIL).
• | The DTC clears after forty consecutive warm-up cycles if no failures report by this diagnostic or any other non-emission related diagnostic. |
• | The scan tool clears the MIL/DTC. |
Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
1 | Did you perform the Powertrain On-Board Diagnostic (OBD) System check? | -- |