Lightning

skippin

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Old Jun 9, 2005 | 09:18 AM
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speed12's Avatar
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From: ga
Question skippin

I recently put my 99 lightning on a scanner to see why it was skipping it gave me two codes po171 and po174 can anyone tell me what that mean trying not to go to the dealer
 

Last edited by speed12; Jun 14, 2005 at 08:53 AM.
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Old Jun 9, 2005 | 10:39 AM
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what is skipping????
 
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Old Jun 9, 2005 | 10:50 AM
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System too lean bank 1 and 2.

check for vacuum leaks and/or a malfunctioning MAF
 
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Old Jun 9, 2005 | 02:28 PM
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could it be a coil pack
 
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Old Jun 9, 2005 | 03:35 PM
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From: San Antonio, Tx.
Originally Posted by speed12
could it be a coil pack

You could have a coil pack starting to go bad, but as brain bypass stated - those 2 codes are 99.999% of the time an air/vacuum leak.


Bird
 
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