Problem Reports

Isuzu Trooper

Report: Rough idle due to leading intake manifold gasket

• Is there a proper way to seat boots to plug / coil pack? Other possible problems?
  stalls,rough idle, spark plugs wet, engine light (multple cylinder misfire), idle speed variation. Replaced air filter, pcv cleaned, plugs, wire boots,oxygen sensors (upstream-due t...

  Q&A > Isuzu > 2002 Isuzu Trooper

• reprogramming the pcm
  where can i get the software update and a reprogrammer for my trooper. think i'm getting false codes, i hear that this is a problem

  Q&A > Isuzu > 1999 Isuzu Trooper

• rough idle and stalling when stopped
  Every once in a while my trooper ( fuel injected 2002 ) will rough idle when stopped or in park...

  Q&A > Isuzu > 2002 Isuzu Trooper

• very poor idle cold
  very rough idle cold, won't rev up, no throttle response, smells like unburned fuel, suddenly may idle ok. no check engine light. will almost die. good cranking speed. been slow to start.

  Q&A > Isuzu > 1994 Isuzu Trooper

• idle speed
  every time you start the trooper it idles really high all the time at 25000 rpms

  Q&A > Isuzu > 1991 Isuzu Trooper