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Need Help! Mk1 Fiesta
Posted 02 June 2012 - 09:18 PM
My 1981 1300 fiesta ghia is pissing me off!
It is over-fuelling I think because it kind of runs when high revs but will not run at low revs. Just sound wave cleaned the carb and fit all new parts from a carb kit, but it's just as bad.. The carb is from an xr2 but it was fine for about a year and now all of a sudden it's gone! There is a brand new weber carb for it on eBay but before I spend anymore money on carb I wanted to see if anyone knew if it might be something different!
Would appreciate any help anyone can offer a lot!
Posted 02 June 2012 - 09:52 PM
were the parts in the carb kit correct?
when you say it won't run at low revs you mean it won't idle at all on its own?
Posted 04 June 2012 - 10:21 AM
Thanks for your help
& no it won't run at idle at all anymore
Posted 04 June 2012 - 10:35 AM
Posted 04 June 2012 - 11:07 AM
I thought all mk1 1.3 Fiesta's had weber twin chokes, my '81 1.3 GL did. Only Ford carbs that I'm aware of being a problem and people replaced were the VV carbs which were single choke and if I remember rightly were used later. MY '85 1.6 Capri had one.
The original carburetors gave lots of problems. We used to replace them with Weber carburetors all the time. Never had any acceptable results overhauling the Ford carburetors.
robeish is your fiesta engine modified in any other way? I wouldn't have thought an XR2 carb would be ideal and prone to over fuel anyway as it is jetted differently to what you should have. I'd stick to what is supposed to be on the car unless the engine is modified.
67 Plate Shadow Black Focus RS
Posted 04 June 2012 - 12:53 PM
Guess I'll try a correct second hand carb & if that don't work it's getting a zetec!
Thought old cars were meant to be simple!!
Posted 04 June 2012 - 01:48 PM
i'd try the carb first, at a scrappy i'd be looking at £5-10 tops.
Posted 12 June 2012 - 12:22 PM
The other thing to do at the same time is the timing, is it a later model with the contactless ignition or older with points?
Mk1 Mondeo Aubergine 1996 2.5 Ghia X estate, 2 prev. owners, full phase 2 RS kit
RIP Mk1 Mondeo Nouveau Red 1995 24v saloon with full factory RS kit
Mk1 Fiesta 1981 1700cc kent engine with 244 cam, Ford motorsport IDF 40's, fiesta championship exhaust manifold, roller rockers, stage 3 ported head with unleaded stage 2 valves, balanced and pocketed 1300 pistons, fully balanced crank and clutch, polished, lightened and balanced conrods, rebuilt RS Turbo g'box, cortina sump, duplex chain, High pressure and flow oil pump, XR2 wiring and interior, rally arches, RS roof spoiler, RS steering wheel, 16" Dimma Compomotive 3 piece split rims, Headlamp wash, single wiper, harnesses, camber adjustable front suspension, nylon bushes all over, adjustable rear shocks, rear strut brace. 56,000 miles and been in family from new.
ZZR1200 2002 in silver, 164,000 miles, retired
Dodge Ram 1500 2007 5.7 Hemi V8 Laramie 4x4 Quad Cab, short bed
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