97 Cavalier z24 starts fine on cold, idles @1100 for a few seconds, rpms then start to lower like...
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97 Cavalier z24 starts fine on cold, idles @1100 for a few seconds, rpms then start to lower like engine is already warm, then starts to sputter and dies out. Does this until engine is warm. replaced ect sen first, no go. checked vac lines ,fuel press- ok. repl inj o-rings, f filter,fill cap. cleaned thr. body, injectors,repl plugs, coils swapped every sensor- literally. from 2nd z24 that still works fine...