hey guys my 04 tahoe is acting up keep runing to lean long fuel trim is up to 20 geting that po171 code just got the a good
computer big bucks body control module is saying u1000 code no response from driver door module also the trottle body
and map sensor unplug is geting 5.6 volts plug in 4.6 volts not sure if the ecm is bad
computer big bucks body control module is saying u1000 code no response from driver door module also the trottle body
and map sensor unplug is geting 5.6 volts plug in 4.6 volts not sure if the ecm is bad