They have great prices and awesome service. Today’s show is sponsored by Deutsche Auto Parts. They will basically all fail in the same way. There may be other engines that have this, or a similar module, installed. Look on the frame rail at the back of your drivers side front door. This module is on 2.0t gas engines from 2006 until now.

Motorcraft also makes an additive for diesel fuel if you want to go that way.Īs far as draining the water separator, the dealer SHOULD have been doing that while servicing your truck. You can also notice signs like rough acceleration. You will probably see these signs along with a check engine light on your dashboard. If the engine cranks but refuses to start, make sure that you actually have fuel in the tank. The most common symptom of a bad fuel pump relay is a stalling or dead engine. This includes some obvious items and often forgotten common maintenance issues that may turn into a false 'bad fuel pump' diagnostic. I'm going to try Archoil one of these days. Before testing the fuel pump, go over this checklist. I don't notice any super duper performance gains, but pulling out water and lubing the HPFP gives me peace of mind. It also is supposed to help lubricate the HPFP and boost cetane.

It says on the bottle that it is a demulsifier. 2004 - 2008 F-150 - function of fuel pump driver module (fpdm) - i did the search and read all of the failures and symptoms of the fpdm going bad. I read about Stanadyne and pretty much everybody had good things to say. People emailed the company and if I recall correctly, got answers both ways. Then I got to reading about it being an emulsifier. When I first got my 6.7 I used Diesel Kleen too. Everybody has their own opinion has their own opinion on additives, but yes Stanadyne is my choice.

Signs of a bad fuel pump module