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is p0171 and p0174 codes causing my vehicle to have poor starting after being driven?
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asked
Jul 3, 2018
by
Wil
i changed the MAF sensor, replaced the spider injectors. and did a smoke test
Vehicle:
1998, gmc sonoma,4.3 L
p0171
p0174
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Sep 28, 2018
by
Carguy1
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HI there,
It is possible since the codes are for lean fuel mixture. It would be a good idea to check the fuel pressure,this can also cause the lean fuel codes.
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What can i do to fix codes p0171 and p0174 on my 2004 Lincoln Towncar?
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