P0440 Pontiac -

Question

Could the fitting betwen the fuel line and the fuel rail leaking cause the codes PO204 and PO300 and PO440 On a Pontiac 2.4 L 2001

Answer 1

HI there,

These codes won't be triggered by your problem.

P0204 indicates an issue with the fuel injector 4. Here is some info for you.

P0204 PONTIAC - Injector 4 Control Circuit

Read more: https://www.autocodes.com/p0204_pontiac.html

P0440 indicates an issue with the EVAP system. Here is a list of possible causes.

P0440 PONTIAC - Evaporative Emission System

Read more: https://www.autocodes.com/p0440_pontiac.html

P0300 indicates a misfire on random cylinders. Here is a list of possible causes.

P0300 PONTIAC - Cylinder Misfire Detected Random Cylinders

Read more: https://www.autocodes.com/p0300_pontiac.html