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  #1  
Old 10-30-2003, 11:59 PM
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Join Date: Sep 2003
Location: S.F. Bayarea
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Anyone tried code reader INNOVA 3100?

Wife's 98 C280 has the check engine lite on and off several times for the past several month. I think it was the gas cap thing. But this time it stays lit for couple weeks. Car drives fine. I bought the code reader from Kragen for $99 plus tax. Connected to the car and it went through the reading sequence as stated in the manual. No code is retrieved, yet the check engine lite is still on?
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  #2  
Old 10-31-2003, 12:39 AM
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Join Date: Sep 2003
Location: S.F. Bayarea
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Got P0173, P0170

Tried again, got codes: P0173, P0170. Generic codes are for "Fuel trim malfunction for Bank1 and bank 2". Is the MAF acting up?
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  #3  
Old 11-08-2003, 09:00 PM
mannye
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MAF sensor

i too have a PO170 and PO173 DTC. Does anyone know if it is related to a faulty MAF ?
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  #4  
Old 11-08-2003, 09:28 PM
JetForeman
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Those 2 codes are making reference to either a rich condition or lean condition that is beyond the adjustable limits of the ECU. If you look them up the areas to check are:

1. Intake leak
2. Fuel press. regulator
3. Injectors

It doesn't make any reference to a faulty MAF, that would be a separate code.
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