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So just to finish off this thread. It worked... 450 and 451 take up four lines so I'm guessing there are four sensors involved. Anyway I disabled all of them and it did take over a hundred miles for...

How does the controller complete its test if some of the parameters or sensors it's looking for cannot be found or are disabled. Would it not just continue to Loop trying to find the correct...

So if the EVAP system does its check downs and some of the sensors are disabled will it still be able to be completed

Has anyone found the correct selection for P0450 and p0451 evaporative system incomplete to make it complete which mil setting do we change there is no do not report setting on the LNF options.
I...

The code refers to the two temperature sensors not sending the correct voltage compared to each other. I have added the zzp intake and the Hahn intercooler and piping. I'm assuming that this may...

THE S10 IS A V6 2003 ECOTEC
HHR SS 2.0 TURBO 2009

SO MAYBE ITS AN ECU issue and not the software. just funny how the older s10 shows the controls.
thought I was doing something wrong.

thanks...

I scanned my chev s 10 and they came up.
when I scan my chev hhr they do not.

thanks dave

I am getting a code p0481 a secondary fan cycling. What is the best way to remove this code.