Feb 18, 2013 · Re: 4.3 bogs down If the carb is a 2BBL Mercarb then you want base gasket 22-807982. Fix minor things (replace wear items for preventative maintenance.) that cause major problems before they break.
Mar 26, 2014 · Page 1 of 2: Diagnosing a Stuck Open EGR Valve (GM 4.3L, 5.0L, 5.7L). Code 32: EGR System Problem. Code 33 MAP Sensor Signal High. Symptoms of a Stuck Open EGR Valve.
This article applies to the Chevrolet Silverado GMT800 (1999-2006). Knock sensors play an important as well as essential role in your Silverado's engine functionality, detecting any engine noises caused by early detonation and adjusting the ignition-timing accordingly. When a knock sensor fails, detona
New issue that's just come up in my truck. Driving along at about 40-50mph and I go to accelerate and a get a shuttering/bogging down of the engine and have no real throttle. If I gently press down on the petal I can accelerate, but the moment I try and step on it I get the symptoms described above.
Mar 06, 2018 · I clear the code and watch the O2 sensor live on my ODB scanner/bluetooth app – the Bank 1 sensor 2 stays around .55 going up and down slightly as I drive. The Bank 2 sensor 2 also does this but every once in a while (maybe 5 minutes) it troughs and dips down to close to zero and then comes back up to normal range.