Lazy when climbing hills

2004 MITSUBISHI GALANT
153,300 MILES • 1.8L • 4 CYL • 2WD
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BURKEDK001
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YESTERDAY i sent a question about the 04 gdi galant car 4G94 Engine which is lazy climbing hills and rev falls below 1 while idling. the rev sounds stifled sometimes and the car starts ok. i hope to know more now since i have more information. thanks.
i forgot to send the freeze frame info so here i go again.
P0170 Fuel Trim Bank 1
FUEL SYSTEM 1 CL Eng. rpm 758
FUEL SYS. 2 N/A
CALC. LOAD (%) 33.7 Veh. speed 0
ECT(degree cels.) 92
STFT B1(%) 21.1
LTFT B1(%) 12.5
Mar 28, 2016 at 5:46 AM
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HMAC300
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check fuel pressure with a gauge auto parts rent it. probably needs a pump
Mar 28, 2016 at 7:10 AM