BACK FIRE, WANT IDLE, 86 TROOPER

  • Tiny
  • harry wilson
  • 1986 Isuzu Trooper
  • 4 CYL
  • 4WD
  • manual
  • 155,000 miles

86 trooper, 4x4, will not idle, backfires when letting off the gas, replaced wires, cap, button and plugs, run 1 can of carb cleaner through carb, added seaform and always us high test gas. Parts store said this model does not have a tps sensor, and ideas.

Monday, November 29th, 2010 AT 4:55 PM

1 Answer

  • Tiny
  • KHLow2008
  • Expert
  • 41,976 posts

Did you check for vacuum leakages?
Are the cylinder compressions within specs?
Is the slow cut solenoid working correctly?
Have you cleaned the idling circuit?

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Tuesday, November 30th, 2010 AT 7:36 PM

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