1994 Chevrolet Corvette "vacuum leak effect o2 sensor" Questions

vacuum hoses also may be good idea to replace opti spark ignition module its located on the coil mounting bracket at front of right cylinder head if its been exposed to water , antifreeze, or moisture

...vacuum, so a leak has less effect on fuel trim than at idle If it is fuel trim as in slow O2 sensors alone ,again it is masked for awhile with extra fuel taking away the added air from a vacuum ...

...Vacuum Leaks -EVAP System Ignition Problems Air Idle Solenoid Problems --effecting idle Exhaust Leaks-effecting the O2 Sensor Readings Dirty MAF Sensor & lots more things to check out Worn out ...

...vacuum leaks, that cause the sensor to correct for additional air. The O2 would only adjust fuel fixture ,by changing the timing pulses, and happen so fast you wouldn't get that trailer hitching ...

...stay in the mid range with very little fluctuation. If it does fluctuate a lot and you have eliminated O2 failure, vacuum and exhaust leaks then you have a bad catalyst which will require

code p0171 bank 1 and p0174 bank 2 car wants to act like it will stall Change your oxygen sensors before you do damage Vacuum leak effecting your O2 Sensors

...fuel filter and still continues. Most likely a vacuum leak effecting the O2 Sensors That is your 4 codes. Have the Evap System checked also, for leaks Fuel Filter--filters fuel,doesn't fix ...

...effect fuel trim.A failing fuel pump,thus low pressure or volumeWorn out O2 SensorsWorn out and damaged exhaust converterAny Vacuum Leaks anywhere on any systemLeaking (vacuum) Intake Manifold or ...

again this is a 1990 jackaroo. the listing only let's me put it as a 03 for some reason The engine may have a intake vacuum leak. A defective O2 sensor has no effect on engine idle or performance

An O2 Sensor Code? Because, codes don't tell you what to replace. Something was driving the sensor out of range, and then setting the code. Find out what is effecting that system. e,g Vacuum Leak etc