GMC Troubleshooting Questions? Ask a Mechanic for Answers
Hi Im David, allow me to look up some info for you. thanks.
how about the TBI gasket, possible leaks? or TBI insert in between the TBI and the manifold is causing an issue.
have you tested the tps?
what about testing the tps?
ok. just make sure it reads .45vdc closed and smoothly moved up to 5.0vdc when opened.
no such thing as a dumb question my friend
on the side of the throttlebody
well the problem could still be with the wiring to the tps. do a visual inspection as far as you can
i would... vibration is a problem if not locked in.
i think so. let me check
advance auto part number PT217
I dont think so. its sensor or a air leak somewhere. we just havent found it yet.
do you know how to pull codes on an obd1?
ok. ill send you instructions
watch this. and do it and let me know the codes.
ok my friend
sure larry. my pleasure
ok so no fault codes.
pull the vacuum hose off of the fpr ans see if there is fuel present on it.
the vac hose was attached to the fpr correct?
ok, pull the egr valve off and clean crap out of it. also make sur its not leaking air around the base of the throttle body.
unplug the map sensor. see if it smooths out
sorry for the delay larry. had to go to hospital . had a mini stroke. sorry we cant figure this out. please accept the answer and leave a 5 star rating for me if you were satisfied with my help. thanks my friend. take care.
ill be ok. just have to quit smoking
thanks my friend