Multi-code OBD2 diagnosis

Enter all the codes your scanner showed, not just the first one. We give you the overall severity, whether you can keep driving, the order in which to check them and how they relate to each other.

Summary

Overall severity
High
Can I keep driving?
Yes, but with caution
Estimated cost
$30 to $900
Codes analyzed
1 of 1

The order below is the recommended one: first the codes that can cause the others. After each repair, clear the codes and check which ones come back.

Order of inspection

  1. P0628 Fuel Pump "A" Control Circuit Low High

    The P0628 code means the computer sees low voltage in the fuel pump control circuit, from a short to ground or a lack of power. It can make the engine crank without starting or stall. Check the fuse, relay, connector and wiring first.

    Step-by-step diagnosis for P0628