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03 Sorento EX
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11 Posts
Discussion Starter #1
Hi

I replaced the MAF sensor to clear the PO 102 code. It worked for a couple of dats and now its back. When the code is present the car is hard to start and runs kinda jerky at constant speed. Any ideas? I did clean the connectors.
 

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Super Moderator
99 Kia Elan 1.8L
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11,310 Posts
Very often the error code doesn't signify a failed sensor, but rather the signal is not within the margins expected, and in the case of the MAF it could be air leakage into the intake pipe downstream of the MAF - need to check the flexible intake pipe for leaks.
 

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Registered
03 Sorento EX
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11 Posts
Discussion Starter #3
I checked the hose and changed the filter. Now after I clear the codes, it starts up fine - no code. Run it 1-2 min and shut it off and restart and the code is on.

Also checked the connector and cleaned. Did not look like it was dirty
 
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