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1999 Isuzu Rodeo Question stalling

Tiny
JKG
  • MEMBER
  • 1999 ISUZU RODEO
  • 6 CYL
  • 4WD
  • MANUAL
  • 166,695 MILES
My engine seems to be hesitating. The check engine light is on, and it has stalled out a couple times when I come to a complete stop. The RPM goes to zero and stalls. Could this have something to do with the timing belt?
Monday, February 16th, 2009 AT 1:20 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Have the computer scanned for OBD2 code/s this is your starting point to find the problem.

Dirty fuel injectors (cleaning the injectors often fixes this).
Bad MAP (manifold absolute pressure) sensor
Bad TPS (throttle position) sensor
Bad or dirty MAF (mass airflow) sensor
Low fuel pressure (leaky fuel pressure regulator or weak fuel pump)
Vacuum leaks (intake manifold, vacuum hoses, throttle body, EGR valve)
Bad gasoline (fuel contaminated with water or too much alcohol)

Sometimes, what feels like a hesitation is actually ignition misfire rather than lean misfire. The causes of ignition misfire may include:

Dirty or worn spark plugs
Bad plug wires
Weak ignition coil
Wet plug wires
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Monday, February 16th, 2009 AT 6:32 PM

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