Just replaced my idle air control valve and now my fuel pump isn't coming on and car won't start.

Question

I've hooked it to a dianostigic machine and it's say there could be a few problems such as fuel pump primary circuit, malfunction indicator lamp mil circuit, cylinder 1 injector circuit low, manfaucturer control, evaporative emission system Purge control, and camshaft position sensor A circuit bank 1 or single sensor

Answer 1

The fuel pump circuit , your purge control circuit, the injector circuit ,and the camshaft, they all have a common junction connection. try disconnecting the junction connection and reconnect, if there is any high resistance a simple disconnect and reconnect by resolve the issue

Comments

We're would I locate the common junction connection ?