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P1171 Diagnostic Trouble Code Discussion for May 2008

Fuel System Lean During Acceleration

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Trouble Ticket Help Requests for DTC P1171
Help Request Posted
1998 Ford E-150 Econoline 4.2L Surge VIN: 1FTRE1424W
P1171: system lean. morning everyone this ford has been to several shops with no luck , and it's starting to bother me . po301 has been corrected ( old and worn out ignition ) but the driveability issue is interesting. a light surge @ idle , with a rhythmic " drum beat "...
May 01, 2008