engine knock
bob73601
03-25-2007, 03:46 PM
can someone tell what is wrong with my truck it's a 92 chevy z71 350 i have replaced the knock sensor ,plugs and wires and distributor run fine until its under a load then theres a bad engine knock also showing codes 32 42 43 :banghead:
maxwedge
03-25-2007, 05:48 PM
Welcome to AF. Typical egr problems. Check operation of egr valve.
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