Question about 1993 Isuzu Rodeo

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Engine wil not rev over 2000 rpm

Engine will not rev over 2000 rpm

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  • Isuzu Master
  • 20,706 Answers

Lots of reasons, (parts bad ,huge list of 50)
check and test fuses first. all cars. first.
but we will answer in physics.

  1. bad fuel. low fuel.
  2. bad fuel pressure,. too high or too low.
  3. bad engine , compression low on one or all cylinders.
  4. bad spark (if gas, ) never ever tuned up this decade.
  5. EFI system is injection wrongly. (inputs bad)
  6. bad injectors
  7. EGR main valve stuck wide open
  8. CAT , melted blocking exhaust and compression low and vacuum weak and old if you gun the throttle.
  9. Did you SCAN the PCM yet, why not. ? is it telling you why?
  10. is the CEL check engine light glowing, yes, why ignore it?

Posted on Jun 02, 2014

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Posted on Jan 02, 2017

  • 9 Answers

SOURCE: engine no power at cold

Could be an issues with the Mass Airflow sensor and the idle valve. If the vechile is setting off a check engine light take it into Auto Zone or a similar store they will scan the codes for free and give you a print out of what is wrong

Posted on Nov 26, 2011

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