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1.6D NA Running poorly
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Topic: 1.6D NA Running poorly (Read 1989 times)
May 30, 2018, 12:27:02 pm
Stu92
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1.6D NA Running poorly
«
on:
May 30, 2018, 12:27:02 pm »
Hi,
I'm hoping an expert on here might be able to help me with my problem.
I have a 1985 1.6D NA Van and can't get her to run tidy.
To get her to start I have to crank the engine for a long time, then to get her to idle I have to keep my foot on the accelerator for a long amount of time. Then even when she's idling she sounds quite rough with a lot of white smoke. Then if I hit the accelerator hard and let go it will stall.
I have good compression on all cylinders and have performed a leak down test which showed no issues.
I'm guessing injectors or pump but how would I diagnose?
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Reply #1
May 30, 2018, 04:18:00 pm
Tmarkle
Junior
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Re: 1.6D NA Running poorly
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Reply #1 on:
May 30, 2018, 04:18:00 pm »
Is the timing set properly??
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1985 Jetta 1.6 NA, Project
1981 Rabbit 1.5 diesel SOLD
1980 Dasher, also a project
1993 Passat GLX VR6 (daily driver)
1992 Toyota Pickup, 350 V8 swapped
1997 Jetta TDI, engine donor for a diesel powered Toyota!
1986 Toyota Custom Cab
Reply #2
May 30, 2018, 04:22:49 pm
Stu92
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Re: 1.6D NA Running poorly
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Reply #2 on:
May 30, 2018, 04:22:49 pm »
Quote from: Tmarkle on May 30, 2018, 04:18:00 pm
Is the timing set properly??
Hi, I set it at 85 mm.
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Reply #3
May 30, 2018, 07:33:14 pm
sgnimj96
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Re: 1.6D NA Running poorly
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Reply #3 on:
May 30, 2018, 07:33:14 pm »
If you're lucky it's just lack of fuel. Put clear fuel line into and out of the pump, and report back.
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81 Scirocco 1.6D (conversion) 86 Gofl 1.6D 2003 Golf Tdi 1985 300TD
Reply #4
May 30, 2018, 11:04:23 pm
ORCoaster
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Restoring a Caddy as time and weather allows
Re: 1.6D NA Running poorly
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Reply #4 on:
May 30, 2018, 11:04:23 pm »
You might put the timing up to 92 mm and see if that helps. With the age that pump might be a bit worn and engine could use the advance of a few mm's.
Actually it sounds like you need to do a retime, idle adjust and perhaps a fuel adjustment as well.
Basic Tune is all.
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Reply #5
May 31, 2018, 12:11:01 am
Tmarkle
Junior
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Re: 1.6D NA Running poorly
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Reply #5 on:
May 31, 2018, 12:11:01 am »
I had a 1.5 that was running awful, took ORCoaster’s advice and gave the timing a good bump. It ran better than my 1.6! My pump was slightly modified, but the idea stands that these little diesels are very sensitive to timing.
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1985 Jetta 1.6 NA, Project
1981 Rabbit 1.5 diesel SOLD
1980 Dasher, also a project
1993 Passat GLX VR6 (daily driver)
1992 Toyota Pickup, 350 V8 swapped
1997 Jetta TDI, engine donor for a diesel powered Toyota!
1986 Toyota Custom Cab
Reply #6
May 31, 2018, 01:15:36 am
libbydiesel
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Re: 1.6D NA Running poorly
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Reply #6 on:
May 31, 2018, 01:15:36 am »
180° out of time?
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Reply #7
May 31, 2018, 04:03:24 pm
Stu92
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Re: 1.6D NA Running poorly
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Reply #7 on:
May 31, 2018, 04:03:24 pm »
Quote from: libbydiesel on May 31, 2018, 01:15:36 am
180° out of time?
Sorted, thanks! Injector pump was 180 out. I should have added this was after having the engine out for major surgery.
Just need a bit of fine tuning now I think since there is a slight knock.
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1.6D NA Running poorly