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Ft Mitchell, KY
Same problem with my 2002 Grand Am. I have to push hazard light switch, then turn signal, turn off hazard, and turn signal is working. Sometimes will fix turn signal for an extended time.
No trouble codes,so it's mechanical, replaced spk plgs, wires, rotor and dist, fuel filter. Missfire still there. No arc of spark either.Sprayed carb cleaner around intake man. no change.....what next ?
Is there a crash sensor that needs re-setting ?
Can a control arm link be replaced ? Nut apparently became loose and backed off of top link to strut/coil bracket . Still on, but threads are flattened and nut can't be tightened.
Idle on start is up to 2500rpm, then down to 1200rpm. I don't find any vaccum leak. Idle is 900 to 1000 RPM in gear , warm motor!!!