Runs Posted August 22, 2006 Posted August 22, 2006 I have a 1990 LS 400 with 110,000 miles. After I replaced the spark plugs with new titanium plugs the engine misses at an idle. Seems to run fine at higher speeds and you just feel an occasional bump at idle. What could I have done wrong???
Runs Posted August 22, 2006 Author Posted August 22, 2006 You have bad wires ,buy a new set. Thank you. Do you know of anywhere online where I can buy lexus parts at reasonable prices.
SKperformance Posted August 22, 2006 Posted August 22, 2006 iron toad rockport sewell longo lots of options.
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