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Old 05-25-2004, 12:18 PM   #1
Scooby Specialist
Member#: 39445
Join Date: Jul 2003
Chapter/Region: South East
Location: FL
2003 WRX/RA-Geared
07 Honda Fit VIP'd

Have a Nice Day? CELs after dyno tune?

recently had my car dyno tuned, and now i have 2 CELs.
Engine mods:

STI injectors
Helix TBE
Helix Upp

my CELs:
P0301 Cylinder 1 misfire detected
P0172 Fuel trim malfunction (A/F too rich)

any input on what my issues could be?
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BDR is offline   Reply With Quote
Old 05-25-2004, 12:43 PM   #2
Scooby Newbie
Member#: 19124
Join Date: May 2002
Location: Northern Colorado
2009 Nissan GTR
RED Premium


if its too rich... it is too rich... This could cause a misfire. What is your target a/f under boost?
Pi7467mp is offline   Reply With Quote

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