Randomly lost power
#1
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Join Date: Apr 2011
Location: Ogden, UT
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Randomly lost power
So recently my car has been struggling to run, or to even go up a hill. Before this happened it did have an oxygen sensor issue, now it's suddenly throwing a large list of codes
P0102
P0103
P0131
P0151
P0155
P0171
P0174
P0452
P1639
P0153
I know they are for a bunch of stuff from maf to oxygen sensors, what would cause them all to suddenly fail at once?
Car is an 02 Trans Am with a 2003 LS6 in it, was Dyno tuned 30k miles ago, and has run fine up until now, thanks for any help
P0102
P0103
P0131
P0151
P0155
P0171
P0174
P0452
P1639
P0153
I know they are for a bunch of stuff from maf to oxygen sensors, what would cause them all to suddenly fail at once?
Car is an 02 Trans Am with a 2003 LS6 in it, was Dyno tuned 30k miles ago, and has run fine up until now, thanks for any help
#3
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#4
I would do as Paul Bell suggested, go after power or ground. Maybe the insulation on a common melted and is touching ground or something. Could also be a faulty connection due to corrosion. I would break out the multimeter and start checking continuity and voltage. If there is continuity where its not supposed to be, something is touching. If there is no continuity where it is supposed to be then its broken wire or faulty connection. Could also be fuses.