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PostPosted: Thu May 28, 2015 11:14 pm 
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hi people i have an issue with my xr2

its been sat for ages because iv not had the time to sort the issue but now i have

i was driving along and all of a sudden i lost power . the engine was still running and but it was lumpy as feck n wont rev at all just boggs n thats it i tried a different maff/ coil pack plugs leads and injectors and still the same but then i disconnected the battery for a while and reconected and it ran good and revved again for a minuet then back to a boggy mess again

iv tried stupid things unplugging the lamba but god knows

any help would be great

its a 1.8 zetec running on an si loom and mondy desk ecu


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PostPosted: Fri May 29, 2015 7:32 am 
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Possibly Lamba or Coolant sensor. Do you have a spare coolant sensor?


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PostPosted: Fri May 29, 2015 8:31 am 
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Location: West Sussex
i had similar on my mk2 when i was running a zetec, it was my lambda sensor

mine would want to die if the rev's dropped to low

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PostPosted: Fri May 29, 2015 8:57 am 
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Location: Rochester Kent
How long did you let it run before reving it ford ecu require 3-5 min set up time procedure is disconnect battery for 5 - 10 min reconnect start with no throttle electric consumers all off ie lights blowers etc let it idle for 3-5 min switch off for 1 min then drive as normal

Have seen many odd issues after people change own battery's on escorts mondeos focuses

Management will run overriding / ignoring emissions control system for about a min on first start up so if O2 sensor no good it will only show after about a min

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PostPosted: Fri May 29, 2015 10:25 am 
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it deffo runs ok for first 2 mins then back to a bag of poo

like i said the first time it happened is when i was driving along . the car will run just not rev at all just bogs

mr knifey do u mean the temp sender in the thermostat housing

gene o2 sensor ?? where s that .

thanks for your help

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PostPosted: Fri May 29, 2015 10:49 am 
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Location: Rochester Kent
Lambda sensor O2 sensor same thing
I'd change that first run an ecu reset when you change it or it may not recognise that it has changed

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PostPosted: Fri May 29, 2015 11:15 am 
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Ok awsome il try that . Ecu Reset ? Is that just disconnecting for 15 mins n then running up like u said with no load or revs

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PostPosted: Fri May 29, 2015 11:16 am 
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Yup that's it

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PostPosted: Fri May 29, 2015 5:44 pm 
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Not saying it as gospel but a dodgy coolant sensor can cause issues with running. Did on my cvh anyways


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PostPosted: Fri May 29, 2015 10:55 pm 
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mr knifey is that the one in the thermo housing . . its not a running issue its not bloody runnin if u get me its un driveable it wouldnt pull off lol

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PostPosted: Sat May 30, 2015 1:38 pm 
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Ok today Iv had a go at getting it going with no luck I tried a different lamba n Maff .

I'm now semi convinced that it's fuel related as it runs for 2 second then dies like its Gettin no fuel or when U try starting a car that s runnin out of fuel .

Any way I took the fuel feed off the inlet side of the fuel rail and turned ignition on so the pump would prime . It took 3 maybe 4 key turns for fuel to start running out
Now being injection I exspected it to proper piss out and have some pressure behind it

I'm running an xr2 tank with a fiesta rs turbo fuel pump cut n shut

Any clues ?
Is fuel supose to just dribble out ?

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PostPosted: Sat May 30, 2015 1:53 pm 
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Fuel should squirt lots of pressure ie should only take couple of minutes to empty the tank what have you done for feed pipe est has about 13mm feed hose is pump loud my be that pump is forked

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PostPosted: Sat May 30, 2015 2:06 pm 
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I matched the hose to the original fuel hoses on the inlet so they are big enough and it ran fine for 3000 miles . The pump does sound loud but I have no interior so hard to tell . It Deffo doesn't squirt out .

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PostPosted: Sat May 30, 2015 4:29 pm 
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I have a similar setup and had the same issues. Turned out the filter in the pump was clogging up with debris from the tank and stopping the fuel.


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PostPosted: Sat May 30, 2015 4:44 pm 
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just removed the pump and the pipe between the pump and the mounting plate within the tank looks split . but i may have done that when i was removing it . anyway il replace the hose n go from there

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PostPosted: Sun May 31, 2015 11:35 am 
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thanks for the help guys

it turned out to be the rubber fuel pipe inside the tank between the pump and spout

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PostPosted: Sun May 31, 2015 4:28 pm 
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Well done for pinning it down
did pump quieten down

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PostPosted: Sun May 31, 2015 8:18 pm 
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i wouldnt say so no maybe a change in tone

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