ANALYTICAL2

A Friend Of Mine Couldn't Get His 1990 Stanza To Pass Exhaust Emissions Inspection. Another Friend Did Something To The Engine To Make It Pass, But Now The Car Idles Rough And Is Very Hard To Start. We Can't Get In Touch With The Friend Who Messed The Car Up And Nedd Help In Figuring Out What He Might Have Done. We Presume He Did Something To Lean Out The Mixture But Are Not Sure What. Any Suggestions?

KA24Tech

Was the car tuned up before you smogged it i.e. new plugs, cap, rotor, air and fuel filters, and an oil change. Also check the plug wires and the ignition timing. It sounds as though he may have adjusted the timing. Check these things and please let me know what you find.

Troy

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1990 Z32 300ZX VG30DETT 5 spd - 600HP & Very Civilized (working on twin GT28RS turbos)
Still trying to import a 1988 R31 Skyline GTS-R w/ RB20DET-R - only 800 produced (legal under show/display regs)

ANALYTICAL2

was the timing. had been retarded. thanks for the help.