1996 GMC Sonoma "egr valv vaccum leak" Questions

...good, ive created vaccum leaks there before. look over it all and make sure shits plugged in of coourse. clean throttle and if its still acting up tap on iac and egr valve make sure theyre not ...

...the vehicle near the cannisters as well as changed the gas cap. Any ideas regarding cause? Thanks, Monty You have a vaccum leak somewhere, try the map sensor vaccum or the EGR Control valve ...

...egr solenoid valve off and both seem to pull vaccum jus fine.....also looked in tha throttle body and appears to be clean...all vaccum lines checks out and i hear no vaccum leaks when the car is ...

...vaccum leak? EGR is maybe stuck open. disconnect the vac hose at the EGR valve and see if the idle smoothes out. If the EGR is sitcking open, thats a vac leak. If that fixes it, replace the EGR ...

...failures? Hello, I would check for vaccum leaks first - vaccum leaks cause RPM fluctuations. I hope this helps Idle controll valve. Throttle position sensor. egr valve stuck. No check engine light

...(EGR) system - insufficient flow detected Causes: Hose leak/blockage, basic setting not carried out (if applicable), wiring, EGR valve, EGR solenoid, ECM better clean out hoses and

...EGR problem. To check for vaccum leak get a can of carb cleaner spray around suspected area with car running. Idle speed will change if you have a leak. The EGR has a vacuum diaphram. It can leak ...

...then again at 55 to 60 with very light acceleration egr valve code comes up (cleaned it then ended up replacing it still does it) vaccum leak,EGR may is good,check tow lines near thermostat,for ...

...EGR valve controls idle and if stuck open when stop your car will stall out. As far as a vaccum leak you can get a guage and from any parts store and hook it to a vaccum line and see what it

...like a heart beat at first i thought it was a vaccum leak or coil or egr valve i would check for a vacuum or exhaust leak or the egr valve..you are on the right track with the first step in ...