That is an interesting one. Have you checked fuel pressure? Have you checked for diagnostic trouble codes?
Here is a link that explains how to retrieve codes. Try this first.
Next, if there are no codes, I need you to check fuel pressure. I realize the pump is replaced, but it could be related to a bad fuel pressure regulator. Here is a link that explains how that is done:
Also, the fuel pressure regulator is on the fuel rail See picture 1. Remove the vacuum hose and confirm that it changes pressure and that there is no evidence of fuel in the vacuum hose.
Last, if nothing checks bad as far as the fuel system, we need to check the ignition control module (TFI) on the distributor. See picture 2.
Let me know.
Images (Click to enlarge)
Saturday, May 29th, 2021 AT 11:08 AM