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Author Topic: 1.6 NA not getting fuel  (Read 2819 times)

Reply #60May 01, 2018, 12:22:19 pm

UncleDelicious

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Re: 1.6 NA not getting fuel
« Reply #60 on: May 01, 2018, 12:22:19 pm »
The filter is less than a year old probably. It very well could be a case of some schmutz between the filter and the tank.
My other thought is that the line is just full of air and it isnít able to run long enough before it runs out of fuel in order to replenish the whole line.

Reply #61May 01, 2018, 10:40:08 pm

ORCoaster

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Re: 1.6 NA not getting fuel
« Reply #61 on: May 01, 2018, 10:40:08 pm »
If you put a vacuum on the line at the Out bolt you should be able to draw fuel all the way up from the tank through the filter and fill the pump.  You could also spin the pump with a drill with a 19 mm socket in it on a 3/8 inch drive extension.  That requires you to remove the belt and re time the whole thing.  Not something I would want to do unless I was forced into it.  Vacuum should do it.
Now Own 1981 Caddy as the NEW DISTRACTION to all that is around me.  Project Away!

Reply #62May 02, 2018, 03:18:35 pm

fatmobile

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Re: 1.6 NA not getting fuel
« Reply #62 on: May 02, 2018, 03:18:35 pm »
 When you shut the engine off does fuel rush out of the pump back towards the filter?
Tornado red, '91 Golf 4 door,
with a re-ringed, '84 quantum, turbo diesel, MD block

Reply #63May 02, 2018, 08:34:01 pm

UncleDelicious

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Re: 1.6 NA not getting fuel
« Reply #63 on: May 02, 2018, 08:34:01 pm »
Fuel doesn't rush out of the pump towards the filter.

I sprayed some air down the feed line and then slapped the MityVac on the out bolt to draw a vacuum. It held vacuum and pulled fuel through the pump. I primed it by cracking the injectors and cranking it, yada yada.

It idles fine now. But after a rev up it takes a little bit before the throttle will come back up. So it can idle and rev up no problem but after the first rev it will hardly rev above idle unless I wait for maybe 5-10 seconds.

I feel like I'm so close here

Reply #64May 02, 2018, 11:48:26 pm

ORCoaster

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Re: 1.6 NA not getting fuel
« Reply #64 on: May 02, 2018, 11:48:26 pm »
Have you started it and just raised the RPM's up to around 2K and let it hold for a bit.  Sometimes it takes a while to move all the air out of the inside of the IP.  And yes so close and no cigar, yet.
Now Own 1981 Caddy as the NEW DISTRACTION to all that is around me.  Project Away!

Reply #65May 03, 2018, 12:21:33 pm

UncleDelicious

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Re: 1.6 NA not getting fuel
« Reply #65 on: May 03, 2018, 12:21:33 pm »
I have not held the idle up. Thereís no tachometer so itís hard for me to gauge RPMs as well.
Thereís some air hanging in the high spot of the return line though. But itís got fuel directly to the pump on the return

Reply #66May 04, 2018, 12:09:26 am

fatmobile

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Re: 1.6 NA not getting fuel
« Reply #66 on: May 04, 2018, 12:09:26 am »
 Accelerator arm on the wrong spline?
 Let's see that would mean it needs turned,..? spline stays still arm goes clockwise one spline.
 Sooo it has a clear fuel line on the front of the pump? It isn't filled with air when the engine is starving for fuel and won't rev.
 It runs well when you bottle feed it.
  You say fuel comes from the tank up the return line and into the pump?
 
Tornado red, '91 Golf 4 door,
with a re-ringed, '84 quantum, turbo diesel, MD block

Reply #67May 04, 2018, 11:55:37 am

UncleDelicious

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Re: 1.6 NA not getting fuel
« Reply #67 on: May 04, 2018, 11:55:37 am »
It runs the same off of a bottle or the system now. It idles and runs well, itís just trying to get throttle response after a rev where itís giving me problems.
When the return line doesnít have fuel in it, fuel creeps up towards the pump from the tank
Iíll see if I can upload a video of it after work to help visualize my current issue

Reply #68May 05, 2018, 05:38:16 pm

UncleDelicious

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Re: 1.6 NA not getting fuel
« Reply #68 on: May 05, 2018, 05:38:16 pm »
Maybe it just had to sit and think about it for a couple nights because it seems to work fine now. I even got it up to 55 earlier

 

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