Pontiac Problems? Ask a Mechanic for Answers ASAP
good afternoon my name is ***** ***** I will assist
do you mean the mass air flow sensor or the map sensor???
try this. I sent you a picture of the mass air flow sensor. unplug it and see if the rpm stabilize.
number 2 in the pisture
how are you making out
ok, check the map sensor for a 5 volt reference signal. there should be 2 with 5 volts, key on engine off with the connector dis connected.
also, check the tps for 8 volt signal as well. the 641, 651 look like the key codes for this issue.
it is on the throttle body
12 volts??? not 5 volts
is the security light blinking??
ok, let me know the tps voltage
without me being there, I cannot get a handle on this.
I am going to open it up to the other guys and see if they have any better ideas