He was unable to start it a few weeks ago, and I dunno why, but he felt changing his spark plugs would help. So he did that and it started. Now recently, it has started only intermittently. Sometimes it will start right up as if nothing is wrong, sometimes it will only crank and will not turn over.
I asked if he's getting spark, he said yes. I asked if he was getting fuel and he said he wasn't sure. I asked if he could hear the fuel pump in the back, and he said he couldn't hear it whether it was running or not.
So one night, I was talking to him over the phone when he said it wouldn't start. I told him to take a line off the fuel filter and crank it, and he said no fuel came out at all, either out of the filter or the line (I wasn't 100% sure which line he pulled). So I said your fuel pump probably kicked the bucket. He replaced the fuel pump, and replaced the fuel pump relay. No dice. So he replaced the ignition relay, still nothing. He replaced the ignition switch, still nothing. It only starts when it wants to.
He won't replace his CPV and turn his CEL off (it is a turbo, but still I consider him lazy

But anyway, does anyone have any suggestions? Only starts when it wants to. Has a new: fuel pump, fuel pump relay, ignition relay and ignition switch.