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(Fuel Filter- FIXED) but Idle problems ??

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blup58 Officially Full-On Dubber

216 posts · joined Oct 2002 ·

#191966
G'day Guys/Girls

I have a plastic fuel filter between my fuel pump and carb on a stock 1600cc.

The fuel filter never seems to be full (always has about 1/3 full). Is this normal or should the Fuel filter be completely full. If it is meant to be full What tha??? is mine doing.

The engine runs great under throttle but pretty rough under idle (carby got rebuild last night which did improve this) but still a little rough

Thoughts??

Cheers

Brad

[Edited on 28-6-2004 by blup58]

PurpleT3 Fahrvergnugen

880 posts · joined Apr 2003 ·

#191974
My fasty has a filter in the same spot, it's only ever 1/2 -3/4 full. She runs OK.
Ain't nothin' like the wind in your hair.

kombikim disfunctionally capable

1,521 posts · joined Dec 2002 ·

#191981
1/3 full is quite normal
filter should be between tank & pump so that it is not subject to pressure
fuel shortage causes the opposite of the symptoms you describe
Please, I need drivers side window regulator (winder mechanism) for my '54

Dannyboy half man , half horse

2,306 posts · joined Jan 2004 ·

#192027
Plus pressure can loosen the hoses if not careful and spray petrol over a hot engine. Move your filter out of the engine bay!!!!

Dan🙂
"If i had to explain you wouldnt understand"

The Lower Class

blup58 Officially Full-On Dubber

216 posts · joined Oct 2002 ·

#194020
Thanks guys, relocated the fuel filter out of engine bay. Completely covered in fuel during process, didn't I smell a treat.

However, the engine is still playing silly buggers, under throttle, its great, but at idle sometimes good sometimes bad, quite often will just konk out. Makes sitting at the lights great fun......

Thoughts

kombikim disfunctionally capable

1,521 posts · joined Dec 2002 ·

#194023
probably too rich, causing plugs to gradually foul up at idle, until they give up, let it idle until it stalls, or for 5 mins idling rough, & pull a few plugs,they be black if this is problem, to rich can be mixture or timing
Please, I need drivers side window regulator (winder mechanism) for my '54

vw139 Casual Dubber

23 posts · joined Mar 2004 ·

#194741
yeah I had the same on my 1600 > ended up being a very loose dizzy (replaced with 009) and air leakage around the carby throttle > fixed with an overhaul!

good luck