2004 MDX Check Engine Lite ON
04-02-2010, 01:24 AM
#1
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2004 MDX Check Engine Lite ON
Hello Guys;
2004 MDX. with 133123 miles
MIL on with;
DTC P0171: Rear Bank (Bank 1) Fuel System Too Lean
DTC P0174: Front Bank (Bank 2) Fuel System Too Lean
Replace Both front & rear air fuel sensor and clean pcv valve.
MIL still on; after 4-5 days.
Any Help? Thanks
2004 MDX. with 133123 miles
MIL on with;
DTC P0171: Rear Bank (Bank 1) Fuel System Too Lean
DTC P0174: Front Bank (Bank 2) Fuel System Too Lean
Replace Both front & rear air fuel sensor and clean pcv valve.
MIL still on; after 4-5 days.
Any Help? Thanks
04-02-2010, 01:39 AM
#2
Do you have a K&N air filter? Those codes refer to the MAF sensor. Its either dirty or malfunctioning. Or possibly a vaccuum leak downstream of MAF. There was no need to replace the A/F sensors, all they did was detect the lean condition because of bad MAF reading.
Last edited by akord 97; 04-02-2010 at 01:44 AM.
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