blackjester Posted October 20, 2012 Share Posted October 20, 2012 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. Quote Link to comment Share on other sites More sharing options...
eyemdee Posted October 20, 2012 Share Posted October 20, 2012 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. Quote Link to comment Share on other sites More sharing options...
Stoney871 Posted October 21, 2012 Share Posted October 21, 2012 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. Quote Link to comment Share on other sites More sharing options...
blackjester Posted October 21, 2012 Author Share Posted October 21, 2012 Sorry. i forgot to mention that i changed the ecu and barrel with the black ring around it that is compstable with the engine. Quote Link to comment Share on other sites More sharing options...
Stoney871 Posted October 21, 2012 Share Posted October 21, 2012 Fuel pump as well? Quote Link to comment Share on other sites More sharing options...
blackjester Posted October 21, 2012 Author Share Posted October 21, 2012 No i didnt swap that. couod that be a problem then? Quote Link to comment Share on other sites More sharing options...
Stoney871 Posted October 21, 2012 Share Posted October 21, 2012 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. Quote Link to comment Share on other sites More sharing options...
blackjester Posted October 21, 2012 Author Share Posted October 21, 2012 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. Quote Link to comment Share on other sites More sharing options...
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