Subject: Help with fuel trims diagnosis IP: Logged
Message:
I have a 2005 Dakota w/4.7 auto and received a po
172 bank 1 rich mixture and a po175 bank 2 rich
mixture codes on my scan tool. The live data reads
as follows.
Shrtft1 -32%
Longft1 -32%
Shrtft2 -32%
Longft2 -32%
MAP. 4.9
O2B1S1v. .1 -.9 up & down
Shrtftb1s1. -32%
O2B1s2v. .725 steady
ShrtftB1s2. N/A
O2B2s1v. .900 -.920
ShrtftB2s1. -32%
O2B2s2v. .860
ShrtftB2s2. 99.2 not neg. Like the others
Fuel trims & volts improve at higher rpm's but
return
P 1
Post a reply to this message:
Username Registration: Optional All visitors are allowed to post messages
Subject: Help with fuel trims diagnosis