Hesitation at low speeds - Third Generation F-Body Message Boards

TrnsmGTA · 03-28-2002, 05:26 PM

Had problems with major hesitation and chugging. Replaced plugs, wires, fuel filter, MAF sensor, O2 sensor, intake manifold gaskets, all vacuum tubes, PCV valve, cleaned throttle body and injectors. Had a major chugging problem and pushed one of the wires on top of one of the injectors and it 'clicked' and it didn't chug that bad anymore. Still have a slight chugging problem though. Before i replaced the MAF sensor, i got error codes 34, 42, and 44. Haven't had a chance to check yet. Like i said, it says it's running lean, but i already replaced the O2 sensor! PLEASE HELP!!!!!

GTA88 · 03-29-2002, 02:19 PM

Did you check the wires going to the other injectors ? Also, are all the plug wires on tightly ?

TrnsmGTA · 03-29-2002, 03:04 PM

Yeah, i replaced all the wires and put them on tightly and made sure all the wries to the fuel injectors were on tight. I can't seem to find any vacuum leak anywhere either. Thanks for the reply, any other suggestions?

TrnsmGTA · 03-29-2002, 03:05 PM

Oh yeah, i disconnected the battery and reconnected it and ran the code checking and i have no errors it says.

88 WS6 TransAm GTA · 03-29-2002, 03:06 PM

If your getting all those codes, I would try the cap, rotor, and ignition controll module. Had the same problem on my friends GTA, turned out to be the ICM.

TrnsmGTA · 03-30-2002, 12:50 PM

I'm not getting any codes anymore, but it still runs funny. Like when you give it a little gas, just slightly pressing on the pedal at any speed really it kinda chugs a little.