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Engine Swap Problems.


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#1 blackjester

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Posted 20 October 2012 - 06:39 PM

Hello i have recently taken a 1.4 x reg zetec engine and put it in a w reg 1.25 zetec. I have a few problems with it and any help would be appreciated.
the radiator fan is constantly on
the temp guage does not work
Putting your foot down and pulling of the acceleration is quite jittery
It is misfiring (plug ht leada and coil pack are fine

Any help would be appreciated.
regards
jake.

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#2 eyemdee

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Posted 20 October 2012 - 09:36 PM

I am no expert but I would imagine that the ECU is engine specific and needs to be changed or reprogrammed to suit the different engine capacity.

#3 Stoney871

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Posted 21 October 2012 - 05:44 AM

I agree, the ECU is set up for different parameters and is being confused by sensor readings it's not programmed to handle.
Tbh I'm surprised it's running at all.

#4 blackjester

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Posted 21 October 2012 - 01:43 PM

Sorry. i forgot to mention that i changed the ecu and barrel with the black ring around it that is compstable with the engine.

#5 Stoney871

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Posted 21 October 2012 - 01:52 PM

Fuel pump as well?

#6 blackjester

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Posted 21 October 2012 - 02:41 PM

No i didnt swap that. couod that be a problem then?

#7 Stoney871

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Posted 21 October 2012 - 03:08 PM

It's one option to look at.
There's only 3 reasons to get a misfire, bad or mis-timed spark, bad compression or over/under fuelling.

#8 blackjester

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Posted 21 October 2012 - 09:10 PM

The plug are sparking fine and the engine before the swap was running perfect. checked the fuel linea ect so i will be swapping the fuel pump tkmorow. will reply back with results. thank you.

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