EGR Valve Woes? Don't Miss These Diagnostic Indicators

If you ever drive your vehicle and see black smoke or fumes coming out of your vehicle's exhaust pipe, it probably means you have a bad EGR ... My car is throwing a P1491 code for bad EGR valve lift. The EGR valve on my car (99 Acura TL) has been known to go out so I plan on replacing it and cleaning ... 2000, 99, bad, camaro, egr, firebird, ls1tec, pontiac, purpose, sighns, signs, symptoms, systoms, trans, v6, valve egr_valve #egrsystem #exhaust The primary function of the EGR valve is to reduce nitrogen oxide emissions by recirculating a portion of ... The Most Common Symptoms · Decreased fuel efficiency: One of the most common symptoms of a faulty EGR valve is decreased fuel economy. Unburnt Fuel Smell · Illuminated Check Engine Light · Engine Pinging or Knocking Sounds · Engine Performance Issues · Failed Emission Test · Faulty ... When unburned soot and coolant mix, it tends to get wet and sticky. Making moving parts such as the EGR valve on the intake will stick, and not seat right due ... A bad EGR usually causes a rough idle or won't stay running or even a stumble off idle when trying to accelerate. While there are plenty of ailments that can slow down your vehicle, one of the more common with newer vehicles is a bad EGR valve. Can a bad egr valve cause the following symptoms: vacuum leak overheating of the catalytic converter Significantl Loss.