Rough running and codes 1174,1171??

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#11

12-14-2011, 05:08 PM

hilltoppersx

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Quote:

Originally Posted by 99redrover

I'm having the exact same problem. Anyone got a solution for this? i haven't changed the o2 sensors out yet. i am thinking the maf sensor could fix everything, but don't wanna spend the money till i have some confirmation.

what codes are you getting?

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#12

01-20-2012, 07:22 PM

99redrover

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help

I'm getting the same codes as the person who started this thread.

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#13

01-20-2012, 09:06 PM

Savannah Buzz

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Those codes mean that the ECU can't adjust the fuel/air mix because it is out of the expected range. Can be a leak of un-metered air between MAF and intake (cracked intake air hose), vac leak, etc. You can unplug MAF and ECU will substitute a "standard" value.

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