• Tiny
  • gabriel0513
  • 1993 Mazda b2200

Engine Performance problem
1993 Mazda b2200 4 cyl Two Wheel Drive Automatic 150, 00 miles

when stopped at a light truck will idle really low and act like it will die. Oil light by speedometer will flicker on and off. Runs very sluggish. Engine is newly rebuilt also. Truck model is actually 1993 mazda b2600i. Engine is 2.6liter 4 cylinder.

Do you
have the same problem?
Thursday, July 17th, 2008 AT 11:23 PM

1 Reply

  • Tiny
  • merlin2021
  • Expert
  • 17,587 posts

You may have a vacuum leak, get a can of spray gumout, spray the vac lines and maniflod area, when the idle changes, youve found the leak! You want the engine running and spray on the outside but do direct the stream onto the hoses, if it is a vacuum leak, the engine idle will change speed, then you have detected a leak, repair the vacuum leak and see how it runs! If that doesnt do it, you may need a new idle air control valve, it's bolted to the throttlebody

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Friday, July 18th, 2008 AT 2:53 AM

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