My engine is knocking and ping’ing what can I do?
http://www.automotiveforums.com/vbulletin/showthread.php?t=178212 http://www.automotiveforums.com/vbulletin/showthread.php?t=153083&highlight=ion If you have a 2000-2004 Isuzu, make sure you only use Denso K16PR-P11 spark plugs. Check the link below to buy them for 6.80/plug (note the dealer charges about 17/plug) http://www.sparkplugs.com/results_app.asp?AAIA=1363272&mfid=3 The 2000-2004 engines have the GM/delphi “ion sensing” ignition system where the spark plugs are used as a sensor (when they are not firing) to measure the electrical resistance of the gasses in the combustion chamber. Other plugs may cause the ECU to register a code (misfire code: P1340). Also, it has been noted that some 00 trucks came with champion plugs from the factory, which cause knocking, due to to ion sense coils. If you have 1998-1999, the suggested plugs are NGK or Denso or Champion double platinum plugs. A dirty EGR port may cause knocking. Knocking also, may be caused by carbon build-up in the combusti
