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General Technical Chat This section is for technical discussions relating to general maintenance, electrical issues, engine trouble, and recalls.
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09-13-2012, 04:30 PM
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Focus Enthusiast
 
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Engine Stumble
I drive an 02 SVT. At idle my car stumbles or skips a beat sometimes, and when taking off in first it stumbles a little. I hooked up my diablo scanner and read some data. At idle Fuel rail pressure is 39, fuel pressure is 30 I believe, STFT fluctuates between -1% to 2%. Does anyone have an idea what could be the problem? Certain data I should look at? Any help would be appreciated.
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Owner of the original HYPILLAUTO Wayne Focus  [gumpcrew#22] |
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Focus Fanatic
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09-13-2012, 04:50 PM
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Focus Jr. Enthusiast
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No information listed for modifications. STFT is only close because adaptive should be turned on, thus utilizing LTFTs... is the vehicle actually tuned?
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