1996 Other Oldsmobile Models 1996 Olds 88 3.8l Pinging

1996 OLDSMOBILE
90,000 MILES • 6 CYL • FWD • AUTOMATIC
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CBX1980
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Hello,
I just purchased a 1996 Olds 88LS. It has 90k on the engine. It was pinging under the slightest load. I replaced plugs, wires, pcv, and cleaned the egr valve. The check engine light was on. It had a 0442 and 1870 code. I found a vacuum line that was unplugged, fixed it. I took the ground off the battery while I was working on it. Now, no engine light, but it still pings.

Help, any ideas?

Thanks,
Ken G
Apr 16, 2008 at 10:47 PM
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NDDUNC
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im not that up on a 3.8 but it may need the valves adjusted.if there not adjustable,it may be the quality of gas. i hope ive helped! please reply back.
Apr 20, 2008 at 12:24 AM