What is a egr valve
I have changed pretty much everything my truck
won't stay running ive changed distributor cap ac
comPressor spark plugs starter fuel pump spark
plug cords fuel filter and still it only ran for about
15 minutes shut off even after I let cool it starts
then shut off as if I have no gas, it has gas. I just
put like 30. 00 total since yesterday after changing
ac compressor. What's wrong?