1999 Chevrolet Silverado 1500 "sign bad egr valve" Questions

bad Find your EGR valve & try disconnecting the vacuum & or wires to it temporarily and see if it changes anything. Be sure if it has a vacuum line, you plug the line with something when you remove it

...sign. It would sputter like it needs air or fuel. There would be very shallow exhaust discharges coming out of the tailpipe before it shuts off. i'd turn the key until it would start up again. I took ...

telltail sign of bad guides in an american vehicle I had the same problem, but its not oil. it is coolant. running to the heater. just check for cracks on the little piece of hose on the egr. tri it..

...sign,due to it beinge stuck open the open egr valve acts like a vacum leak,,,,ive also seen bad fuel pumps and fule filter to cause a stall while hot and cornering a defective EGR can cause a stall, ...

egr valve should it b left open or closed?my cars idlin bad an dont want to go,it dies at lights an stop signs that sounds more like idler control valve, but the egr is in close position all the time,

sign of bad valve timing and bad seals as well. the engine light normally, will signal a change for a specific sensor like a O2 sensor or egr valve or pcv malfunction. Please rate this response, thank

sign of a stall ,by EGR. failure (clean it) my pat gas. so you are really saying, the rpm drops way below normal? at idle , then stalls. but the fast right foot saves the stall? below 400rpm most cars

...sign. Has done couple times when driving. Any ideas what to check for Dirty throttle plate an bore , sticking open EGR valve , IAC - idle air control valve passages dirty or IAC valve is going bad. ...

...you get any egr failure codes? thats a sure sign the cat is going bad. egr valves never fail for the most part. i had same prob last year but kept getting egr codes. changed the cat and car runs ...

...Bad EGR Valve By Mia Bevacqua, May 7, 2018 The exhaust gas re circulation (EGR) system is designed to lower vehicle emissions and produce fewer oxides of nitrogen (a major pollutant) by reducing ...