wierd problem, help!
Posted 04 February 2009 - 03:43 PM
fiesta lx 1997
endura r engine 1.25
engine transplant 10k miles ago
For first set time after ignition the car judders and pulses under high acceleration for about 30 seconds then runs fine! This ony happens for a set amount of time after you start it up, exactly the same every time, not dependant on the engine temperature.
At full throttle in high rpm the car dies a bit, the power goes. but when u back off its fine again.
my ideas are the first 30 secs or so of shuddering is the map, warm-up/start-up fuel enrichment and the second effect is overfuelling, i think someone has replaced the injectors with some off the zetec model.... but im not sure, i thiunk this is a common problem so i thought id ask you before i went tinkering!
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