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www.chevytalk.org/fusionbb/showtopic.php?tid/258416

The vacuum supply from the TBI unit to the EGR solenoid can be disconnected, broken, ... If it does not build or hold vacuum, the valve could be held open by a chunk of carbon, ..... 1993 3500 dually 5.7L NV4500 - tow truck

.ask.com/youtube?q=What+Do+Egr+Vacuum+Solenoid+Do+On+1993+Chevrolet+Caprice&v=PvN2olCzfws
May 11, 2011 ... My vehicle (a 1991 Chevrolet G20 van 350/5.7) was experiencing rough ... I've read a bad EGR can take a toll on your fuel economy as well, ...
.ask.com/youtube?q=What+Do+Egr+Vacuum+Solenoid+Do+On+1993+Chevrolet+Caprice&v=a4UiWCxH818
Feb 26, 2014 ... 7:32. Diagnosing and replacing a faulty EGR valve with a vacuum leak. - Duration: 2:50. Tunacrab 548,338 views · 2:50 · Replacing A Bad EGR ...

ck5.com/forums/threads/what-are-symptoms-of-a-bad-egr-valve.273367

i'm wondering what the engine would act like with a bad EGR valve? it's not stuck . ... You can disconnect the vacuum to the EGR valve to see if it changes anything . ... To test, plug the vac line going into the egr solenoid. .... Since then it has grown to be a leader among full size Chevrolet K5 Blazer and GMC ...

www.gmsquarebody.com/forum/showthread.php?t=6902

Year: 1990 Chevy Suburban ... The ECM will energize the EGR solenoid (EGR " ON”) when the engine is warm and above idle. There is .... Code 32 will detect a faulty solenoid, vacuum supply, EGR valve or plugged passage.

troubleshootmyvehicle.com/gm/4.3L-5.0L-5.7L/stuck-open-egr-valve-tests-1

Mar 26, 2014 ... Continuous Vacuum is Present to the EGR Valve. ... If you suspect that the EGR valve is behind your engine's rough idle condition... this tutorial will help you to ... One side of the EGR vacuum solenoid (the one that has only one ... Chevrolet Vehicles: ... 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995.

www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-egr-control-solenoid

Jan 7, 2016 ... The EGR solenoid is one of the main components of the EGR system, and any problems with it can cause the system to not function, which can ...

shbox.com/1/4th_gen_EGR.html

Vacuum to the EGR valve is controlled by a solenoid valve that is pulse width ... Adding headers or removing the catalytic converter can create changes in ...

www.oreillyauto.com/site/c/search/EGR+Vacuum+Solenoid/02144/C0018.oap

... under Replacement Parts > Fuel & Emissions > Emission Parts > EGR Vacuum Solenoid. ... 1999; 1998; 1997; 1996; 1995; 1994; 1993; 1992; 1991; 1990.

forum.ih8mud.com/threads/chevy-tbi-idle-problems.240755

Do you know anyone with a scanner who could look at the datastream for ... I checked the EGR solenoid today and it wouldn't hold vacuum.