92 s10 troobleshooting

1992 CHEVROLET S-10
6 CYL • 2WD • MANUAL
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CHESNUTGROVE
  • MEMBER
  • 1 POST
92 s10 when i turn on headlights or parklights or engage the backup lights the engine will start misfireing and then die.if it does start back it backfires and runs bad.can u help?
Apr 18, 2011 at 6:39 AM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
Start by checking the alternator if its producing the proper electrical load, also check fuel pressure, idle air control valve ,EGR/PCV valves and the throttle position sensor
Apr 18, 2011 at 6:47 AM
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