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top speed not being achieved

26K views 6 replies 6 participants last post by  j.dammo 
#1 ·
I have a ford fiesta 1.2 style it will only go upto 70 miles per hour ans it is very sluggish, it had not used to be have you any ideas what it might be, i had this problem for about 6 weeks, i have just had it serviced but i still have same problem, any ideas please
 
#3 ·
I'll 2nd the suggestion on checking/replacing the fuel filter.
If possible, have the fuel pump checked for proper pressure.
Maybe it's getting a bit worn out.

Is the CEL (Check Engine Light) on?
Do you have a code reader available?
If so, hook one up and see if any fault codes are stored.
 
#4 ·
I also say fuel filter ... that happened to my SVT Focus recently ... (Um ... your ST170).

I would recommend taking it to another shop too ... because the shop you did take it too ... should have suggested a few ideas to check into.

-Ray-
 
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