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11-07-2006, 03:17 PM #1
- Join Date
- Jan 2006
- Location
- reidsville
- Posts
- 29
after header install, throwing a few codes...need help
ok to sum it up, i installed longtubes and used 02 extensions for the front and sims for the rear and replaced the plugs...heres the codes i now have...any help would be appreciated...car is just not running up to potential....
P0-134 o2 circuit no activity detected( bank 1/sensor 1)
P0-154 02 circuit no activity detected( bank 2/sensor 1)
P0-300 random/multiple cylinder misfire
the first two codes are on the front if im not mistaken and cant understand why cause im using extensions...again any help would be appreciated
thanks
bubba
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11-07-2006, 03:23 PM #2
o2s not getting hot enough to work.You sure everything is connected properly.The 02s do have heaters in them.Could be the location in the headers is not letting them get hot enough also.
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11-07-2006, 03:42 PM #3
If your extensions were not routed correctly they could have burnt the wires
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11-07-2006, 03:47 PM #4
- Join Date
- Jul 2005
- Location
- Jacksonville, FL
- Posts
- 2,723
Recheck all the connections, delete the codes/reset the PCM and start again. Did you turn the key on/start the car before they were installed/connected?
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11-08-2006, 05:18 AM #5
or they could be fouled from running way too rich.
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11-08-2006, 04:14 PM #6
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11-10-2006, 11:09 PM #7
- Join Date
- Jan 2006
- Location
- reidsville
- Posts
- 29
so a little update..put brand new o2s up front, deleted the codes out with my scanmaster and now im getting the 135/155 codes which is Sensor Circuit Slow Response and still have the multiple misfire code and still runs sluggish and feels like its skipping and bogging...any ideas now??
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