retorq
Full Access Member
Get yourself a computer and cable and hook it up to see exactly what it's doing. If it's not throwing a code it's something mechanical like a bad plug, bad wire, loose wire, cracked boot, base timing is off, etc.
hesitation/stumble 95 tahoe
- Thread starter ERIC95TAHOE
- Start date
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ERIC95TAHOE
Full Access Member
new plugs new wires did it before i changed them. i just set my timing back to 0 it was just a hair bit advanced about .7 degrees. its OBDI so not much i can really see with it hooked up to anything Im going to put a new cap/rotor and coil in soon im sure that wouldnt hurt. there was a bit of corrosion on the coil where the wire connects i cleaned it off when i changed the plugs though.
retorq
Full Access Member
I know it's ODB1, so is mine. I got myself a cable and hooked up my eeePC, it makes tracking stuff like this down soooo much easier.
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ERIC95TAHOE
Full Access Member
what is this and how can i do this
retorq
Full Access Member
http://www.aldlcable.com/sc/details.asp?item=aldlobd1u
I have that cable and a "borrowed" EEEpc that I hook up to log when I need too. Any notebook will work ...
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ERIC95TAHOE
Full Access Member
i was doubting this till i tried it haha i pulled it and didnt hesitate or stumble anymore.
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ERIC95TAHOE
Full Access Member
think it might have been chance that it quit hesitating when i unplugged that yesterday. i pulled the egr valve off cleaned it (it wasn't too dirty anyways) and hooked it up to a hand vacuum pump and it worked properly.
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ERIC95TAHOE
Full Access Member
back to this again, never got anything to hook it up. i just bought some regular tune up stuff for the heck of it like cap, rotor, coil pack and ignition control module. i did not replace the pickup coil though. it needed it it had plenty of GFS on the coil. anywho that made no difference. so i started to play the hit and miss game, put a new egr valve on it (due to the fact i cleaned it and the next day it went out lol) and i put a new IAC and i put a new temperature sending unit on. about a year ago i changed the fuel filter and put new screens on the injectors (it still stumbled after that too a year ago) the stumble almost seems kind of random now. seems to be fine if you slowly push the throttle down but if you do it any quicker than slowly it will hesitate a bit and stumble. a few weeks ago i noticed a new issue, after its been ran for a while and i have the ac on and shut it off for a few minutes and go to start it it will start up and die, but if i turn the ac off it will start up just fine. it also has a little bit of a rough idle. any ideas this time? if not i guess im going back to the hit and miss game until all sensors are replaced (wouldnt hurt either since im assuming there is 192k on all the sensors)
---------- Post added at 07:47 AM ---------- Previous post was at 07:40 AM ----------
guess i should have added i changed the plugs and wires in febuary some time. and timing is dead set at 0* and i replaced the tps about a month ago due to a shifting issue a long with the neutral safety switch do to it not showing the right gear (i guess all that really effects is that and the tcc and the ability to start in park so who cares about that i just sayin thats what ive done ha)
---------- Post added at 07:47 AM ---------- Previous post was at 07:40 AM ----------
guess i should have added i changed the plugs and wires in febuary some time. and timing is dead set at 0* and i replaced the tps about a month ago due to a shifting issue a long with the neutral safety switch do to it not showing the right gear (i guess all that really effects is that and the tcc and the ability to start in park so who cares about that i just sayin thats what ive done ha)
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