strange CEL codes?? P4100, P7A00 ??

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03-04-2007, 06:24 PM

killaj12

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strange CEL codes?? P4100, P7A00 ??

hey guys.

i got my car scanned and the obd2 codes i got are:

p131
p4100
p7A00

i know P0131 is "Primary Heated Oxygen Sensor (Primary HO2S) (Sensor 1) Circuit Low Voltage"
What would I have to do to fix this? replace the o2 sensor? or can i fix it somehow?

also, i can't find what codes p4100 and p7A00 are ..
can anyone help me out? i tried searching ..

please help!!! thanks guys.

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03-04-2007, 06:26 PM

Eran

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P4100 could be ECU code 41, which would be Primary O2 sensor .... P7A00 could be related to ECU code 7, which is TPS.

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03-05-2007, 04:16 AM

EE_Chris

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Re: (Eran)

P0xxx codes are the generic 'every manufacturer must use them' OBD2 codes.

P1/2xxx codes are manufacturer specific.

I've never seen a P4 or P7 code.

If your CEL is on, jump the service connector and get the blink codes.