Question about 2004 GMC Envoy
Changed the plugs on my 2004 Envoy - now have at least one hard miss - feels like plug(s) not firing. Have rechecked the plug boots and very difficult to tell if they are on the plug completely. Anybody got a good way to check.
Rubber boots with metal cover w/coil spring at the plug end.
I WOTLD PULL THE SPARK PLUGS AND RECHECK THEM.I HAVE INSTALLED PLUGS AND CRACKED THEM OR BENT THE SPARK PLUG END CLOSED.LOOK FOR BLACK CARBON TRACS ON THE PORCELIN OF THE PLUG OR TORN BOOTS
Posted on May 13, 2009
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Posted on Jan 02, 2017
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