fiesta stuttering off boost?

Problem or technical question?

fiesta stuttering off boost?

Postby Boostjunkie on Sat Apr 26, 2014 9:07 am

my xr2i turbo is stuttering on light throttle at cruising speeds, i have changed all the sensors but the water temp sensor but choke works fine so didnt think id need to. Also holds back a touch between 3-4k rpm when you floor it but all fine when you feed it in. car is running standard ecu/injectors/boost but has a t3 turbo.

cheers
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Re: fiesta stuttering off boost?

Postby mikeymikeyp on Sat Apr 26, 2014 7:50 pm

tps maybe or the air/fuel ratio plug on the side of the many is it a rs or a 2i air/fuel sensor the rs has the square plug
and im guessing its a 2i loom u using
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Re: fiesta stuttering off boost?

Postby Boostjunkie on Sat Apr 26, 2014 10:01 pm

no idea where the air fuel plug is?? yes it does look like a 2i loom as theres no amal connection. ive changed tps/map sensor/act/coil pack/leads/plugs/co potentiometer all to no avail
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Re: fiesta stuttering off boost?

Postby ZetecsTurbo on Wed Apr 30, 2014 2:32 pm

Coolant temp sensor could be causing it id try that theyre only cheep
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