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Old 10-18-2011, 08:53 AM   #5
Anti_Rice_Guy
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Quote:
Originally Posted by sweetbmxrider View Post
Can he datalog the car when the issue occurs? Does it feel like an ignition miss?
It bucks pretty bad when it happens. The P0300 code went away with the tuen, and now it just get the 02 sensors code for insufficient switching.

Quote:
Originally Posted by NJ Torque View Post
Have to look at the tune, the 02's(have had issues with the 13111's from Bosch) What plugs? Thats a larger gap than I normally run...
They are Bosch sensors and NGK plugs.

Quote:
Originally Posted by JL8Jeff View Post
Maybe check to make sure the AIR stuff is not leaking and letting air in to throw off the A/F ratio. I have the Diablosport Predator which can monitor the O2 readings to see if they show a strange ratio. I've seen the rough idle on a car with a cracked PCV hose letting air in and throwing off the A/F so check all the hoses and AIR block off plates/gaskets. P0300 is the multiple misfire I think so that could be coils on one whole side or vacuum leak across all cylinders. A scanner might pinpoint 1 or 2 cylinders prior to the P0300.
AIR isn't leaking.

I told him to post the data log today.
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