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#1 Old 07-14-2008, 05:24 PM
DannyDT
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trouble code P0545

SO I got an P0545 trouble code from autozone using their scanner..

AC clutch relay circuit?
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#2 Old 07-21-2008, 03:53 AM
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some places list that code as:

Exhaust gas temperature sensor circuit low, bank 1, sensor 1.


Is this the 02 sensor? there's 1 before and after the cat right?

Where would I find it?

I want to get this CEL off

guess i'll have to climb up under the van.. and can expect it to be a PITA
to get out? darn.
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#3 Old 07-22-2008, 12:16 AM
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Do you have A/C and does it work properly?
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#4 Old 07-22-2008, 01:22 AM
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Yes. except i have the infamous fan blower switch only works in OFF and HIGH position 4.
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#5 Old 07-22-2008, 11:30 AM
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Replace the blower motor resistor. It goes for about $10-$15 and can be changed in under 5 minutes.
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#6 Old 07-22-2008, 11:36 AM
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will that fix the CEL ? or only the switch?
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#7 Old 07-22-2008, 06:34 PM
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Uh sorry, that was to fix the speed switch problem.
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#8 Old 07-22-2008, 06:43 PM
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The p0545 code is strictly about the A/C clutch control circuit and has nothing to do with the O2 sensor. Time to start tracing wires for signs of corrosion.
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