Throttle loss when engine is warm

[Steven Walker]

Here's the video

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[Steven Walker]

Here is the link to the video.

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[Thewespaul]

What was the fuel pressure while driving? Sounds like it’s running out of fuel or getting air.

 

[Steven Walker]

I looked at it and it was around 5 psi I believe.... I think it's the original lift pump but I'm not for certain.

 

[Thewespaul]

You need to be certain on the fuel pressure, the port you have it at will read pre filter, so if your fuel filter is plugged it will read higher pressure even though there’s actually less fuel getting to the injection pump.

Move the sensor into the rear most port on the filter head to get post filter pressure readings

Install a clear line before or after the injection pump and look for bubbles

Replace the fuel filter with a new one piece unit, and fill with atf on install

Put a bleed valve back into its original port on the filter head

 

[Steven Walker]

You need to be certain on the fuel pressure, the port you have it at will read pre filter, so if your fuel filter is plugged it will read higher pressure even though there’s actually less fuel getting to the injection pump.

Move the sensor into the rear most port on the filter head to get post filter pressure readings

Install a clear line before or after the injection pump and look for bubbles

Replace the fuel filter with a new one piece unit, and fill with atf on install

Put a bleed valve back into its original port on the filter head

What kind of clear line should I get?

 

[Steven Walker]

This is where I have the fuel gauge sensor at currently.

You must be registered for see images attach

 

[chillman88]

Personally I would put the gage sender where that return line is, put the Schrader valve back in, and plug the return line.

Just my opinion, if Thewespaul says different take his word over mine!

 

[Steven Walker]

You need to be certain on the fuel pressure, the port you have it at will read pre filter, so if your fuel filter is plugged it will read higher pressure even though there’s actually less fuel getting to the injection pump.

Move the sensor into the rear most port on the filter head to get post filter pressure readings

Install a clear line before or after the injection pump and look for bubbles

Replace the fuel filter with a new one piece unit, and fill with atf on install

Put a bleed valve back into its original port on the filter head

By the way, I'm exerting my own ignorance so I apologize in advance but what is the purpose of filling the filter with atf?

 

[79jasper]

A attempt to clean the injector pump.

Sent from my SM-N960U using Tapatalk

 

[Steven Walker]

A attempt to clean the injector pump.

Sent from my SM-N960U using Tapatalk

Ok fair enough.

 

[79jasper]

Could also use a strong injector cleaner, imo.

Sent from my SM-N960U using Tapatalk

 

[Steven Walker]

I put some diesel extreme by hot shots secret in there right now. I like both hot shots and stanadynes additives so this time I figured I'd give hot shots a go

 

[Macrobb]

Another thing - If it only does it when warm, try using a jumper wire to jump the two top terminals on the IP together(rear = cold advance, front = fuel shutoff). If the return is clogged or keeping too much pressure inside, you can definitely have no power and dying.

 

[IDIBRONCO]

I put some diesel extreme by hot shots secret in there right now. I like both hot shots and stanadynes additives so this time I figured I'd give hot shots a go

While this may not help your situation, you sure won't go wrong with either one of those additives. One more thing, even with a water seperater filter (or the stock set up for that matter) there should never be anything leaking out of the bottom of the filter. It doesn't matter who may have told you differently. Fuel or water leaking out the bottom, will probably allow air to get in while it's running and will drain the filter when it's sitting. Maybe overnight, maybe longer, but it will happen.